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GENERAL INDEX
TO
T H E Q U A R T E R L Y J O U R N A L
AND
PROCEEDINGS OF THE GEOLOGICAL SOCIETY.
Abbotsbury Swannery (Dorset), coast sect. descr., 153.
Abercorris Group (Bala), 358-61. Aber Cowarch (Merioneth), geol. map
of area N. of, 354. Abercwmeiddaw Group (Bala), 356-
58. Aberdaron (Carnarvonshire), gneisses
E. of, 461 ; Ordovician syncline of, 487-94 figs.
Abet Geirch Phyllites & Grits (Gwna Group), 452, 464 et seqq. & pl. XXV~o
Acanthopte~roceras action, zone of, 189-91; A. maugenesti, zone of, 191-92.
Acanthoth~ris (?) sp., 247 fig., 250. Adi, Wadi (Arabia), 594-95, sect.
along, 622 fig. et seqq. /Egirine in analcite-syenites, &c.,
551,552 & pl. xl. Agglomerate (& tuff) of Calton Hill,
706-708. ' Aherlow ', Lake (Ireland), map
showg, extent of, 313. Ajib (Arabia), geol. structure of
country between Jabal Sumaini and, 616 fig., 617-18.
Alai & Trans-Alai chains (S. Tur- kestan), geol. surv. work in, ifi.
Albitfized dolerites of Gwna Group, 456.
Algal limestone (Cambrian ~) in Cen- tral Australia, cv.
A~i~ozodon compared w. GTr/nodon, 583.
Alley Creek (Trinidad), sec~. to Mosquito Creek, 47.
Amber~eya, 237-38; A. aur~ci/piti~, 239 & pl. xviii; A. subimbrica~a, 238-39 & pl. xviii.
Ammodiscus incert~s, 70. Amphiboles in analcite-syenites, &c.,
552-53 & pl. xl. Amphistegina lessoni, 102. Amusi~m Beds (? Aquitanian), 16-17;
A. Clay unconformity, 33. Analcite-basalt of Calton Hill, 709,
711 fig., 712, 715-16. Analcite-syenite in dolerite-sills of
Central Ayrshire, 540-69 figs. & pl. xl.
Analyses, mineral, of Scilly granites, 282; mechanical & chemical, of Lr. Carb. loams, &c., 390-92, 393 ; chemical, of dolomitized Lr. Carb. rocks, 400; of hornblende-grano- phyre, 513 ; of quartz-diorites~ 513-14 ; of gabbro-peridotite, 514 ; of gabbro, 517; of hornblende- granodiorite, 518 ; of granophyret 524; of leucogranite, 525; of cri- nanite & related rocks, 557; of analcite-syenite & related rocks, 559 ; of analcite-basalt, &c., 709 ; of peridotite inclusions, &c., 713.
Angaria arabica, 648 & pl. xlv. Ange~oteuthis, 206; A. gabrie$, 206-
208 & pl. xv, 210 fig. ; A. michael, 209 & pl. xv, 210 fig. ; A. raphael, 208-209 & pl. xv, 210 fig.; A. ur/r 209-11 fig. & pl. xv.
ANGLESEY, Lord & Lady, 383. Anglesey, Lr. Carb. of Menaian region
of, 425-26 ; Pre-Cambrian Complex correl, w. that of S.W. Lleyn, 447.
part 4]
Annelid & arthropod fauna (?Lr. Cambrian) in S. Australia, ciii.
Annual General Meeting, vii et seqq. Anomalina grosserugosa, 99-100 &
pl. vii; A. subtenuissima, 100 fig. & pl. vii.
Apatite in analcite-syenites, 553 & pl. xl.
Aplites (in Stilly granites), 283 & pl. xx.
Aplitic flow, marginal, in connexion w. Scilly granites, 282-83.
Apoderoceras ~eckenbyi, zone of, 195. Arabia (S.E.) & Oman, geology &
tectonics of, 585-670 figs. & pls. xli-li.
Arenig Series in S.W. Lleyn, 487-94 figs.
Argiline (Upper Eocene ?), 12-13, 14. ARKELL, W. J., 256; (& J. A.
Douglas), on t.he Stratigraphical Distribution of the Cornbrash: I. The South-Western Area, 117- 77 figs. & pls. ix-xii, 178.
Aorvon, see Menaian region. Asar, use of term, 344. Ashgillian of Meifod district, 679-
83 fig. ; list of fossils ibid., 698- 99.
Assets, statement of, xxxix. Astarte hi~pertonensis, 173-74 &
pl. xii. Auchinlcck, see Dippol Burn. Auditors elected, iv. Authiclastic mdlange in Gwna Group,
452-53 & pl. xxix, 467 et seqq. Ayrshire (Central), dolerite-sills con-
raining analcite-syenite in, 540-69 figs. & pl. xl.
BAILEY, E. B., 568. Bait al Fal~j plain (Arabia), 669 &
pl. xliii. Bala Series in Dinas Mawddwy dis-
trict, 348-49 fig., 350-61 & map. Balance-sheet for 1927, xxxiv-xxxv. Baltinglass (Ireland) marginal drain-
age from Ivernian Ice W. of, 312- 15 figs.
Bancombe Wood Quarry (Wilts.), sect. descr., 140.
Banwy R. (Montgomeryshire), sect. along, 689.
BARBOUR, G. B., 718 ; on a Re-Ex- cavated Cretaceous Valley on the Mongolian Border, 719-26 figs. & pls. liii-lv.
BART, OW-JA~ESO~ Fund, list of recipients, xIxi.
Q. J. G. S. No. 336.
,~NERAI. I~V~X. 729
Basement Series (Lr. carb.) of the Menaian region of Carnarvonshire, 395, 401,408, 411, 417, 420.
BATHER, F. A.~ 178, 185, 255; ex- hibits coins in breccia, v ; exhibits broken colony of Kimmeridgian Hydrozoan, vi; retires fr. office of President, xxii; addresses to Medallists & recipients of Awards, xl et seqq; obituaries of deceased Fellows, &c., 1-1x; on the Fossil & its Environment, lxi-xcviii.
Beaniceras centaurus, zone of, 189. Belemnite Marls of Charmouth, 179-
257 figs. & pls. xiii-xviii; Belem- ni~e Stone, 1~9.
Betemnites pisti~Liformis, 221. BELL, W. H., obituary of, lviii. BE~rROSE, H. H., 717. Ben Lomond Series (?Oligocene),
15-16 ; B.L. unconformity, 32 ; B. L. anticline, 43.
Biadh, Jabal (Arabia), geol. structure of counttT betw. Muscat and, 619-23 figs. & pl. xlviii.
Bibliography of the Naparima region of Trinidad, 4 -7 ; of Tertiary foraminifera, 108-12 ; of the Corn- brash, 117-18; of the Belemnite Marls, 179-85; of Liassic ammo- nites, 231 ; of Liassic brachiopoda, 254-55; of Scilly Is. granites, 289-90; of district around I)inas Mawddwy, 346-48; of Menaian region of Carnarvonshire, 383-84 ; of the Pre-Cambrian Complex of S.W. Lleyn, 444-45; of igneous rocks of S.E. Iceland, 535; of Toxodonts, 583; of Oman & S.E. Arabia, 665-68.
Bigenerina capreo~us, 73 & pl. iii ; B. nodosaria, 73; B. pennatu~a,. 73 & pl. iii.
BIGSBY Medallists, list of, xxx. Bi~oculina depressa, 107 & pl. viii;:
B. ef. intermedia, 107 figs. Biostra~igraphy, use of term, lxiii~
lxiv. Birein, see Saih Ha~at. Bishop Caundle Quarry (Dorset),
sect. descr., 148. BLANFORD Fund, viii. Bleikitind, see Slaufrudal. BLIZARD, J. I-I., ]viii. B~CKH, H. DE, 665. Bo~ivina floridana, 74; B. reg~aris,
74 & pl. iii. Berth Wen (Carnarvonshire), Abet
Geirch Phylli~es of, 466-67.
3 ~
730 GENERAL INDEX. [vol. lxxxiv,
BOSWELL, P. G. H., 383, 390, 396; on the Geological Features of the New Mersey Tunnel, ciii-civ.
BOSWORTH, T. O., 583-84. BOURCHIER, J. R., obituary of, lviii. BRArdMALL, A., 290--91. BRANSON, V. C., 56. Breccias of Lr. Carb. loam-breccia
formation, 386-87 fig. Breithatind, see es te r Horn. Brockram, Upper, quartz-dolerite
pebble from, e. Broughton Poggs (Oxen.), sect. descr.,
132-33. Brunnhorn, see Vestur Horn. Buchivacoa (Venezuela), Pleistocene
history of Western, 570-72 w. map, 583-84; Gyrinodon quassus, &c. :from, 573-83 figs.
BUCK~A~, S. S., 177. But imina affinis, 77 & pl..iii ; B. ele-
gans, 76; B. inflata, 77 & pl. iii; B. pyrula, 77 fig.
Butiminet ta contraria, 77.
~ADMAN, Sir JOHN, 665. ~aledonian folding in Cornish region,
261. ~al ton Hill (Derbyshire), volc. com-
plex of, 703-18 figs. .Cambrian of S.E. Arabia, &c., 589-
91. .Campanian of S.E. Arabia, 606. 4~ampani~e aft. breve, 656; C. aft.
morgani, 655. 4~aninia spp. nov. i & ii ft. Carn-
arvonshire, 405. ,Caradocian of the Meffod district,
672-79; list of fossils ibid., 697- 98.
4~arboniferous (Lr.) of the Menaian region of Carnarvonshire, 382-439 figs.
~ardi ta cf. singu~aris, 637; C. sub- comptanata, 647.
.Cardium productum, 647; C. el. lorataiense, 647.
4~ards Farm, see South Brewham. ~ARGILL, H . K . (& others), on the
Major Intrusions of South-Eastern Iceland, 505-37 figs. & pls. xx~ill- xxxix.
~arnarvonshire (N. Wales), Lr. Car- boniferous of the Menaian region, 382-439 figs.
4~arog (Carnarvonshire), gneisses at, 462.
.Carpenteria proteiformis, 100. ~assidu~ina Derigata, 78 ; C. subg~o-
bosa, 78.
Castlecomer Plateau (Ireland), map showg, position of marginal chan- nels on S. slopes of, 326.
Ceiswyn Beds (Bala), 350-53. Cenomanian of Dhofar, 606.
AA & Ceratomya petricosa, 2 ~ ~5 pl. xviii.
Cererithyris magni fica & C. i n t e rm~ ia zones of, 121 ; C. dorsetensis, 160 & pl. ix ; C. intermedia, 159-60 & pl. ix.
Cerithium aft. distinctum, 656 ; C. aft. dachelense, 656-57.
Chad Girt, see White 1. CHA~L~.SWORTH, J. K., exhibits
worm-casts fr. Ulster Trias, v ; on the Glacial Retreat from Central and Southern Ireland, 293-342 figs. & pls. xxiii-xxiv (maps), 344.
Charlton Quarry (Oxen.), sect. descr., 136-37.
Charmouth (Dorset), Belemnite Marls of, 179-257 figs. & pls. xiii-xviii.
CHATWIN, C. P. , elected Auditor, iv. Chemnitzia (?) sp. ( Upper Trias), 637. Cherts (Lr. Carb.) in Menaian region
of Carnarvonshire, 398-99, 419 fig., 424-25.
Chilostomelloides ovicula, 78-79 fig. & pl. iii.
Chlamys mitvus, 243 & pl. xviii ; Ch. rotlei, 242-43 & pl. xviii ; Ch. substriata, 242 ; Chl. (~quipecten) clignetti, 636; ChL cf. serrata, 646.
CHUBB, L. J., on the Geology of the Marquesas Islands (Central Pacific) ~ tit~e onty], cii.
Cincta nummata, 254 ; C. nummosa, 253 ; C. nummus, 254; C. opu- ~enta, 253; C. paupereu~, 253; C. pernumismatis, 251 figs., 253; C. sestertius, 254.
Cipero R. (Trinidad), gravel, &c. of, 30.
Cirsosty~us euompha~us, 237 & pl. ... XVlll.
Cisseis asteriseus, 105-106 fig. & pl. viii.
CT.XRK, E., 56. C~astoteuthis abrupta, 197 & pl. ~ i ,
214 fig. ; O. s t a n t o ~ , 197-98 & pl. xiii, 214 fig.
CT.XYD~.~, A. W., i. ' Clayite' or ' clay-mineral ' in loam-
breccia formation, 389. Cleavage in Dinas Mawddwy district,
374. C~isiophyt~um ft. Carnarvonshire,
404.
part 4] GENERAL INDEX. 731
Closeworth (Dorset), sect. in road, cutting descr., 150.
Cos~oeeras pettos, zone of, 192. •oins in breccia, v. Conglomerates (Lr. Carb.) in Menaian
region of Carnarvonshire, 395. Conu~us tr~adis, 659-61 fig. & pl. xlvi. COOK, H., obituary of, lix. 4~optodiscus n~m/~, 659 & pl. xlvi. Corial Thrust (Trinidad) sect. across,
26. ~orinth synelinorium (Trinidad), 45. Cornbrash, stratigraphical distribu-
tion of, 117-78 figs. & pls. ix-xii. ~orseombe Quarry (Dorset), sect.
descr., 151 ; sect. at Halstock Road Quarry descr., 152.
Corwenia fr. Carnarvonshire, 406. Cox, A. H., 381. .Cox, L. R., 665; on the Gastropod
& LameMbranch Molluscs from the Belemnite Marls of Charmouth, 233-45 & pL xviii, 257.
�9 CRAIO, E. H. CUNNINOYXM, 115- 16.
Craig y Llam Group (Llandilo), 350. Crassatel~ ites a ~striaea, 646-47. .Cretaceous valley, re-excavated, on
Mongolian border, 719-27 figs. & pls. liii-lv.
.Crinanites of Central Ayrshire, 554- 57 w. chem. anals. ; see also An~l- cite-syenites.
.Gristel$aria aeutauricularis, 90 ; Cr. ar~ic~lata,'87 & pl. v ; Cr. brevispi. nosa, 88-89 fig. & pl. v ; Cr. calcar, 86 & pl. v; Cr. c. var. aspinosa, 86- 87 & pl. v ; Cr. cassis, 87 & pl. v ; ,Cr. elercii, 87 & pl. v; Cr. cras~i- ~imbata, 87-88 fig. & pl. v ; Cr. �9 crep~dula, 89; Cr. eultrata, 85; Cr. decorata, 90 & pl. vi; Cr. for- mesa, 86 & pl. v; Cr. gibba, 87; Cr. gladius, 89 & pl. v ; Cr. helena, 87 & pl . v; Cr. itaLica, 90; Cr. orbicularis vat., 86 & pl. v; Cr. papillosa, 89 & pl. vi ; Cr. rotutata, 85 ; Cr. subaculeata var. glabrata, 90 & pl. vi; Cr. aft. vortex, 86 &
pl. V. (~roCodilus sp. (? Miocene), 583. Cromwell's Castle (Scflly Is.), schorl-
quartz-veins at, 278 fig. Crumbly Bed, see Belemnite Marls. Cwmere Group (Valentian) in Dinas
Mawddwy district, 361-64. .Cydammina cancdlata, 71-72 &
pl. iii; C. orbieu~ari~, 72; C. p~a- aenta, 72 & p!. iii.
.Gyprid~na rai~in~, 479'80.
Oyrtoma (Upper Senonian or Maes- trichtian), v.
DALL, W. H., obituary of, liii-liv. DANIET,-PIDOEON Fund, list of re-
cipients, xxxi. DANNATT, C. W., 56. Dartmoor (Devon) granites in relat.
to those of Stilly Is., 258-92 figs. & pls. xix-xxfi.
DAVID, Sir T. W. EDOEWORTH, on Lr. Cambrian (?) annelid & arthro- pod faun~ in S. Australia, eiii.
DAVIES, A. M., 178, 255. DAVIES, H. R., 383. DXvIEs, J. R., 383. DAVIES, Capt. - - , 383. DAVIS, H. C., 185. Deinos~ur (Upper Cretaceous), fr.
Alberta, viv. Derwen Group (Valentian) in Dinas
Mawddwy district, 364-65. DEWEY. H., 291 ; exhibits Palmolith
fr. Putuey Heath, cii. Dhahira plain (Arabia), 619 & pl. xlix, Dhofar (Arabia), geol. structure of
district, 622 fig., 623-24. Dibunophylh~m fr. Caruarvonshire,
404. DIENER, C., obituary of, lii-liii. Dimyopsis sp. (Upper Trias), 637. Dinas BAch (Carnarvonshire), spilites,
�9 &c. at, 471 fig., 472. Dinas Mawddwy (Merioneth), geology
of district around, 345-81 figs. & . pl. xxv (map). Dinlhten (Carnarvonshire), spilites
&c. of, 465-66 & pls. xxvi, xxvii, 487.
Dippol Burn (Ayrshire), intrusive rocks of, 546.
Discinisca (?) holdeni, 246. Discoheli~ orbis vat. ornata, 236-37. DIXON, E. E. L., 438, 701-702. Dolerite-sills containing analcite-
syenite in Central Ayrshire, 540- 69 figs. & pl. xl.
Dolomites in Gwna Group, 453-54, 486-87.
Dolomitization of Lr. Carb. rocks in Menaian region of Carnarvonshire, 399-400 w. chem. anals.
Donors to Library, lists of, xiii-xviiL DOUOLAS, J. A., 178; re-elected
Secretary, xxiii; (& W. J. Arkell), on the Stratigraphioal Distribution of the Corubrash: I. The South. Western Area, 117-77 figs. & pls. ix-xii.
3 X 2
732 G ~ E R ~ I N D ~ . [vol. l xxx iv ,
DUBEY, V. S., 537-38. Duclding~n Lane Quarry, see Witney. DUNSTALL, - - , 56 . DWV.RRYHOUSE, A. R., 343. Dykes in Pre-Cambrian Complex of
S.W. Lleyn, 483-87 figs.
East Chlckerell Quarry (Dorset), sect. descr., 154.
East Fleet Quarry (Dorset), sect~ descr., 154.
' Echinanthus' pumiLus, vat. abia- densis, 662 & pl. xlvi.
Echinosp~ra descr, as a captive balloon, lxxviii.
Edriocrinus not planktonic, lxxx. EDWARD I. coins in breccia, v. Election of Auditors, iv ; of Council
& Officers, xxiii; of Fellows, i i- iii, iv, v-vi, xcix, c, ci, cii, civ ; of For. Members & For. Corre- spondents, cir.
ET.T,ES, (Miss) G. L., 501. F~llipsoglandulina e~pone~s, 95 & pl. �9 v i , ~lipsonodosaria subnodosa, 95 & pl.
vi. Elphinstone- Beds (Trias), 595-96. Elvans in Scilly Is., 285. Enlow Bridge (Oxen.), sect. in Upper
Green Hill Quarry deser., 130-31. Environment, see Fossil. Eocene of S.E. Arabia, &c., 608-10. Epideroceras exheredatum, zone of,
195. Epidotized rocks of S.W. Lleyn, 459. Esker, use of term, 344. Es~na t e s for 1928, xxxii-xxxiii. Evolution, irreversibility of, lxxxvi
et seqq.
Fairford (Oxen.), sect. at Milton End descr., 134.
~'aujasia eccentripora, 661-62 & pl. xlvi.
Faulting (& jointing) in Scilly Is., 271-81 figs. & pl. xx; faulting in Dinas Mawddwy district, 371-74; see also Tectonics.
Fayalites in Iceland, 526. F~.ARNSID~S, W. G., 381, 503-504,
700-701,718�9 FEDOROV Universal Stage, cir. Fellows elected, ii-iii, iv, v-vl,
xcix, c, ci, cfi, civ; names read out, i, cv ; number of, vii, xix-xxi.
Felspars in analcite-syenite, 548-49 & pl. xl.
FLETT, Sir JOHN, 291, 501, 568. Fluorescence of willemite, &c., ii. Feel Dinas Syneline (Merioneth),
368. Foraminifera (Tertiary) ft. Naparima
region of Trinidad, 57-115 f i~ . & pls. iii-viii.
Foreign Members, list of, xxiv; elected, civ; For. Correspondents, list of, xxv ; elected, cir.
Fossil. the, & its environment, lxi- x c v i i .
Foxley Road Quarry, see Malmes- bury.
Frondicularia advena, 91 & pl. vi ; Ft. sagittula var. ~anceotata, 92 & pl. vi.
Gabbros of S.W. Lleyn, 458, 463-64, 479 ; gabbros & gabbro-peridotites of S.E. Iceland, 514-18 figs. w. chem. anals. & pls. xxxv, xxxix.
GALLOWAY, Sir WIL~IAX, obituary of, lix.
Garnedd- wen Beds (Abercorris Group). 359-61.
Garsdon Quarry (Wilts.), sect. descr. & fig., 137-38.
GARWOOD, E. J., 439. Gaudryina bradyi, 75 ; G. hantkeni,
75-76 & pl. iii; G. subcylindrica, 76 & pl. iii ; G. trinitatensis, 76 & pl. iii.
Gemmetlaroceras ~eregrinu~n, zone of, 195.
Geological Relief Fund, title changed, viii.
Giant's Castle (Scilly Is.), thrust- planes at, 276 & pl. xix.
Gibbirhynchia curviceps, 246-47 fig. Glacial retreat ft. Central & Southern
Ireland, 293-344 figs. & pls. xxiii- xxiv (maps).
Globigerina buLZoides, 95 ; GL b. var. tri~oba, 95 ; Gl. digitata, 96.
G~omospira charoides, 70. GT.OYNE Fund, grants from, viii-ix. Gneisses in Pre-Cambrian complex of
S.W. Lleyn, 448-52, 460-62, 47~ Graig (Mynydd Anelog), epidotized
rocks of, 459. Graig-fael (Carnarvonshire), gneisses
near, 461 ; gubbro of, 463-64. Graig Wen Quarry (Montgomery-
shire), sect. at, 682. Granites of Seilly Is. & their relation
to the Dartmoor granites, 258-92 figs. & pls. xix-xxii ; of Bardsey I . , 458.
GENERAL INDEX.
Granitoid boulder fr. Poddlesworth, cii.
Granophyre of Slaufrudal Stock. &c., 520-26 figs., 529 & pls. xxxiii, xxxix; see also Hornblende-grano- phyre.
GRAY, K. W., 665. Grea~ Quartzite, see Quartzite. Green Clays & G. C. Breccia (Na-
parima Series), 2~-26 fig. ; sect. showg, lateral variat, of G. C. & Naparima Marls, 38.
DREENLY, E., 702; on the Lower Carboniferous Rocks of the Men- aian Region of Carnarvonshire: s Petrology, Succession, and Physiography, 382-400 figs., 411-
3 8 figs., 439; on the Petrology of the Pre-Cambrian Complex of S.W. Lleyn, 447-60; on lzhe Tectonics of the same,.482-83.
�9 GRE(~ORY, J. W., 343, 502-503, 537, 568, 583, 700, 726; elected Presi- dent, xxiii.
Greisen-lines in Scilly granites, 284- 85 & pl. xxi; greisen-line faults ibid., 279 & pl. xx.
GROTH, P. H. yoN, obituary of, li. Guaracara R. (Trinidad), gravel, &c.
of, 29-30; G. synclinorium, 43. Gwna Group (Pre-Cambrian), 452-
56, 464 et seqq. Gwyddel Beds (Pre-Cambrian), 457,
465 et seq q.
Habitat, effect on Pelmatozoa of, lxxv.
Hafit, Jabal (Arabia), geol. structure of country betw. Sohar and, 618- 19.
HAIJLIMOND, A. F.. 383, 538. Halstock Road Quarry, see Cors-
combe. Hantkenia ~ouristani var. depauper-
ata, 657. tlap~ophragmoides coronata, 71; H.
scitu~um, 71. HARDING, ~ , 383. HARKER, A., 501. ltarpaqodes desari. 641 ; H. sp.
(Maestrichtian), 657. HARRISOZq, T. W., 383. Hastites, 216-17 ; H. c~avatus, 217-
18 ; H. fustiformis, 218 & pl. xv ; H. microsty~us, 220; H. spadix- at/, 218-20 & pl. xv; 1t. stone- barroensis, 220 & pl. xv.
Hata t Phyllites, 604-605. HAVG, E. G., obituary of, liii.
733
HAUGHTON, S. H., exhibits lantern- slides illustratg, proposed excur- sions in S. Africa of 1929 Internat. Geol. Congress, cv.
Hawasina Series (Mesozoic), 599-601 & pl. xliii.
HAWKES, L. (& others), on the Major Intrusions of South-Eastern Ice- land, 505-37 figs. & pls. xxxiii- xxxix, 539.
HAwxI~s, H. L., 256, 665 ; exhibits specims, of Cyrtoma, v.
He~icotepidina spiratis, 105 & pl. viii. Hemiaster aft. tam~dicus, 663. Hendre-ddu Syncline (Merioneth),
367-68 w. map. Hengae Group (Bala), 350-56 w. map. H~.R~IES, R.S., re-elected Treasurer,
XXlll. Heteraster musa~damensis, 642-43
figs. & pl. xliv; H. aft. co~doni, 643-44 & pl. xliv.
HILL, J. B., obituary of, lvii. Hinnites renevieri, 639. HOLLINGSWORTH, S. E., 538, HOL~S, A., exhibits quartz-dolerite
pebble fr. Upper Brockram, c. Holwell Quarry (Dorset), sect. descr.,
148-49. ~'~OPWOOD, A. T., on Gyrinodon
quassus, a New Genus & Species of Toxodont from Western Buchi- vacoa (Venezuela), 573-83 figs.
Hormosina globu~ifera, 71. Hormuz Series (Cambrian)of S.E.
Arabia, &c., 589-91. Hornafjord (Iceland), intrusive rocks
in, 527. Hornblende - granodiorite, 518 w.
chem. anal. Hornblende-granophyre, 512-13 w.
chem. anal., 525,529. HORNE, J., decease announced, cir. Howford Bridge (Ayrshire), analcite-
syenite, &c. at, 542-45 figs. HUTCHINSON, Rev. H. N., obituary
of, lvii. Hydrozoan, Kimmcridgian, exhibited,
vi.
Iceland (S.E.), major intrusions of, 505-39 figs. & pls. xxxiii-xxxix.
I~LI~G, V. C., on the Geology of the Naparima Region of Trinidad (British West Indies), 1-56 figs. & pls. i-ii, 116.
Inoceramus ventricosus, 241. Intrusions, major, of S.E. Iceland,
505-39 figs. & pls. xxxiii-xxxix.
'784 eZ~ERAL
Ireland (Central & Southern) glacial retreat from, 293-344 figs. & pls. xxiii-xxiv (maps).
Irish-Sea Ice (& Ivernian Ice), re- t reat fr. Wicklow Hills, 304-12.
Iron in Lr. Carb. loam-breccia for- marion, 392 et seqq., 395.
Irreversibility of evolution, lxxxvi et seqq.
Isocardia cf. neocomiensis, 640. Ivernian Ice (& Irish-Sea Ice), re-
treat fr. Wicklow Hills, 304-12; Ivernian Ice, marginal drainage from, W. of Baltinglass, 312-15 figs.
Jabal, see Hafit, Jabal, ~c. JACKSON, J. W., 883. JAMES, S. LISTER, 665. Jaspers of Gwna Group, 453. Jezira al Ghanam (Arabia), sect.
descr., 593. JOHI~SON, W., exhibits lantern-slides
illustratg, denudat, of Chalk in I. of Wight, cii.
Jointlng (& faulting) in Scilly Is., 271-81 figs. & pl. xx.
JONES, O. T., 381. JONG~IANS, W. J., elected For. Corre-
spondent, cir.
Kalgan Series (Cretaceous), 722. Ka~irhynchia crassicosta, 169 & pl.
xi ; K. elegantissima, 170 & pl. xi ; K. eza~ta, 170 & pl. xi ; K. multi- costa, 169 & pl. xi ; K. transversa, 170 & pl. xi ; K. yax~eyensis, 168- 69 & pl. xi ; zone of do., 122.
Kaolinite in Lr. Carb. loam-breccia formation, 394-95.
KAYSER. F. H. E., obituary of, 1-11. Keeper Hills (Ireland) map of extra-
glacial lakes in, 328. Kei~ostoma (Paryphostoma) morgan i,
651. KENI)ALL, P. F., 343. Kerry (Ireland), local glaciation of,
302-303. Khabura (Arabia), geol. structure of
country betw. Yanqul and, 619 & pl. xlix.
KimmericIglan Hydrozoan exhibited, vi.
KxNG, W. B. R., 380-81; on the Geology of the District around Meifod (Montgomeryshlre), 671- 702 figs. & p]. lii (map).
KITSON, - - , 383.
I~DEX. [VOI. lxxxi~,
Klifatind, see Vestur Horn. KOBER, L., 665. KOCH, A., obituary of, li-lii. Koninckophyl~um fr. Carnarvonshire,
404. Kutchirhynchia, zone of, 120-21;
K. idonea, 168 & pl. xi.
Lagena aspera, 79 & pl. iv. ; L. $wv/- gata, 79 ; L. ~narginata, 79 & pl. iv. ; L. orbignyana vat. antiffea (?), 80; L. o. vat. etfiptica, 80; L. o. var. trinitaten~is, 80 & pl. iii ; L. o. var., 80 & pl. iv. ; L. staphy~- fearia, 79 & pl. iv ; L. su~cata, 79 & pl. iv.
LAKE, P., 501. LAMBERT, A., obituary of, lvii-lviii. LANO, W. I)., 177; Lyell Medal
awarded to, xlv-xlvii ; (& others), on the Belemnite Marls of Char- mouth, a Series in the Lias of the Dorset Coast, 179-255 & pls. xiii- xviii, 257.
Lava, vesicular, of Calton Hill, &c., 708-12.
LEDEBOER, (Miss) J. A. (& others), on the Major Intrusions of South- Eastern Iceland, 505-37 figs. & pls. xxxiii-xxxix.
LEES, G. M., on the Geology & Tectonics of Oman & of parts of South - Eastern Arabia, 585-670 figs. & pls. xli-li.
Lepidocyclina subgIobosa, 104 & pl. viii; L. tri~dtatis, 103-104 & pl. viii.
Leucogranite, 525 w. chem. anal. Library, annual report of Committee,
x-xi i ; lists of donors to, xiii- xviii.
LIGHTFOOT, ]~., award ft. Lyell Fund, to, xlix.
Lima subcama~lnica, 636-37 : L. (Plagiostoma) s~bvaloniensis, 637.
Limestones (Lr. Carb.) in Menaiau region of Carnarvonshire, 397,411, 417-19, 421-24.
Li~gulina proLata, 84-85 & pl. v. Lithostrotion ft. Carnarvonsbire, 406. Littorina cf. persica, 651. LIVERSIDGE, A., obituary of, Iv. Llandilo Series in Dinas Mawddwy
district, 350. Llangwnadl (Carnarvonshire),
gneisses at, 462. Lleyn (Carnarvonshire), Pre-Cam-
brian Complex & assoc, rocks of S.W., 440-504 figs. & pls. xxvi- xxxii.
par~ 4 ] GENERAL I~DEX. 7 3 5
Loam-Breccia Formation (Lr. Carb.) of Menaian region of Carnarvon- shire, 386-95 figs. & chem. anals. ; 411-13 fig., 419-20, 428, 431-35.
Lobothyris ovu~m, 250-51 figs. Loess on Mongolian border, 723. Lomond, see Ben Lomond. Lon (Iceland), intrusive rocks of,
527-28 & pls. xxxvii, xxxviii. Long Handborough (Oxon.), sect. in
Swan Inn Quarry, 128-30 fig. & descr.
Lonsda~eia fr. Carnarvonshire, 405- 406.
Lower Stanton St. Quintin (Wilts.), sect. descr., 141.
Lucina dache~ensis, 647. LY~.LT. Medallists, list of, xxviii;
recipients of L. Award, list of, xxix ; L. Medals awarded to S. H. Reynolds & W. D. Lang, xliv- xlvii ; award ft. Lyell Fund to B. Lightfoot, xlix.
Lyria crassicostata, vat. omanica, 658-59 & pl. xlvi.
Maes-y-gamfa Anticline (Merioneth), 368.
Maestriehtian of S.E. Arabia, &c., 607-608.
Malaya (British), geol. map exhibited, iv; photos of scenery exhibited, v.
Malmesbury (Wilts.), sect. at Foxley Road Quarry descr., 139.
Malvernian folding, 262-63. Map, geol., of Naparima district
(Trinidad), pl. ii ; map showg. Corn- brash localities, 126 ; map of Stilly Is., showg, directions of flow of granite intrusions, pl. xxii; map illustratg. Glacial retreat fr. Central & S. Ireland, pl. xxiii; map illus- tratg. Glacial retreat fr. Wicklow Mountains, pl. xxiv; map showg. extent of 'Lake Aherlow', 313; map showg, extent of extra-glacial lake S.W. of Newcastle West, 314; map showg, position of marginal channels on S. slopes of Castle- comer Plateau, 326 ; map of extra- glacial lakes in Keeper Hills, 328 ; geol. map of district around Dinas Mawddwy, pl. xxv; of area N. of Aber Cowarch, 354 ; of area around Hendre-ddu, facg. 368; of part of shores of Menai Strait, 385; of Carb. rocks of Arvon, 412; of the Pre-Cambrian complex of S.W. Lleyn, pl. xxxii; locality-map of intrusions in S.E. Iceland, 506;
geol. map of the Vestur Horn, 508 ; of the Slaufrndal Stock, facing 518 ; do. showg, outcrop of sides & roof of the same, 519; map of part of W. Buehivacoa (Venezuela), facing 570 ; tectonic map showg, relat, of Oman to In4us Ranges, 586; map showg. Omau pre-Gosau orogenetic zone, &c., 628 ; Kober's tectonic map, 632 ; geo]. map of S.E. Arabia, pl. li ; geol. map of district around Meifod, pl. lii; map of quarry a t Calton Hill, 702; map showg, re- excavated Cretaceous valley on the Mongolian border, Iv.
Marginulina costata, 91 & pl. vi ; M. g~abra, 91.
MARR, J. E., retires fr. office of For. See., xxii.
Marsupites, lxxix. MATLEY, C. A., v, 438-39, 702; on
the Pre-Cambrian Complex and Associated Rocks of South-Western Lleyn (Carnarvonshire), 440-45, 460-502 figs. & pls. xxvi-xxxii~ 504.
Mauchline, see Howford Bridge. MAWSON, Sir DOUGLAS, exhibita
photogr, of Algal limestone, cv. MAWSON, J., obituary of, lx. M~ERSO~, K. E., 56. Meifod (Montgomeryshire), geol. of
district around, 671-702 figs. & pl. lii (map).
Meillionydd (Carnarvonshire), gneiss of, 461.
Meldon Hill (Devon), subsidence in granite, 274 fig.
Menaian region of Carnarvonshire, Lr. Carboniferous of, 382-439 figs.
Mersey R., geol. of new tunnel, ciii- cir.
Mesatia sphyngis, var. quatercarinata, 653.
Mica-schists in Penmynydd Zone of metamorphism, 459-60.
Microgranite, inclusions of basic, in Scilly granites, 285-86.
Microthyris ca~loviensis, 166 & pl. x ; M. c. var. g~obosa, 167 & pl. x ; M. ~agena~is, 167 & pl. x; zone of do., 124 ; M. sidclingtonensis, 164-65 & pl. x; M. s. var. etongata, 165 & pl. x; M. subca~loviensis, 167 & pl. x ; M. sublagena~is, 167 & pl. x ; M. siddingtonensis, zone of, 123.
Middle Cornbrash, use of term, 127. Miliolina bucculenta var. p~acentio
formis, 107-108; M. seminu~um, 107.
7 3 6 GENERAL r~-vP.x. [vol. lxxxiv ,
Miller's Dale {Derbyshire), lavss, &e. of, 710-12 fig.
MILNER, H. B., 56. Milton End, see Fairford. Minllyn Anticline (Merioneth),
368. Miocene of Oman, 610-11. Modiola bipartita, 174-75 & pl. xii. Mongolian border, re-excavated Creta-
ceous valley on, 719-27 figs. & pls. liii-lv.
Monkey Town Syncline (Trinidad), 49.
Moraizm, terminal, of S. Ireland, 295- 300 ; age of, &c., 316-25
MOReLAnD, R., lix. MogaArr P. G., obituary of, lv-lvi. Morgania aft. fusiformis, 657. Moriah, see Mount. Morugu Series (Upper Miocene), 29. Mosfell, see Slaufrudal. Mosquito Creek (Trinidad), sect. to
Alley Creek, 47. Mount Moriah Formation (Upper
Eocene), 14. MUIR-WooD. (Miss) H. M., on the
Brachiopods from the Belemnite- Marls of Charmouth, 245-55 figs. ; on Lower Carboniferous Brachio- pods from the Menaian Region of Carnarvonshire, 407-408.
Murbat (S.E. Arabia), crystalline �9 rocks, &c. of, 588-89, 623-24, 622
fig. ; M. Sandstone, 605-606. MURCRISO~r Medal & recipients of
M. Award, lists of, xxvii ; M. Medal awarded to J. J. Sederholm, xlii- xliii; M. Fund awarded to G. Slater, xlvlii.
Musandam Limestone (Mesozoic), 597-99 & pls. xlii, xlviii.
Muscat (Arabia), geol. structure of country betw. Jabal Biadh and, 619-23 figs. & pl. xlviii.
MUSHKETOV, D. I., on recent geol. surv. work in the A]ai & Trans- Alai Chains (S. Turkestan), iii.
Mutahaddimat (Arabia), sects, descr., 592, 594.
MYLNE, W. J. H., lix. Mynydd Anelog (Carnarvonshire),
breceias, &c. of, 459,472-73. Mynydd Bychestyn (Carnarvonshlre),
sect. to Trwyn Maen-melyn, 474.
Mynydd Mawr (Carnarvonshire), Gwyddel Beds, &e. of, 473-75 & pl. xxviii.
Mynydd Ystum (Carnarvonshire), gneisses of, 461.
Mynydd y Owyddel (Carnarvonshire), Gwyddel Beds, &c. of, 475--76 & pl. xxviii.
Myoconcha sp. (Upper Trias), 637. Myophoria gigantea, 635-36 & pl.
xliv; M. oma~ica, 635.
Names of Fellows read out, i, cv. Nantienmen Series (Cretaceous), 722
et seqq. Naparima Region of Trinidad, geol.
of, 1-56 figs. & pls. i-i{, 115-16; Tertiary foraminifera from, 57-115 figs. & pls. {{i-viii; N. Clays, 26- 27 ; N. Marl, 19-23.
Narrow Vein (Abereorris Group), 359. Nat{ca (Ampullina) plesio4yrata,
652; N. (Ampu~Lospira) fruscagor- ensis, 652; A T. (A.) aft. pagoda, 651; N. (A.) aft. splendida, 652; N. (Crornmium) of. pervicina, 652.
Naticopsis sp. (Upper Trias), 637. Nauti lus jordan{, 663 & pl. xlvi. Nerinea of. punctata fig., 638; N.
arch{meal{, 641; At. ganesba, 653- 54 ; hr. sp.indet. (Upper Cretaceous), 654.
hrerita sp. (Upper Cretaceous), 650- 51.
Newcastle West (Ireland), map showg. extent of extra-glacial lake S.W. of, 314.
New Grimsby (Scilly Is.), junction of granites at, 271 & pl. xxi.
NICHOLAS, T. C.. 503. Nod Glas (Bala), 353-56 w. map. Nodosa~ia abyssorllm, 81 & pl. v ;
N. boffalor~e, 82 & pl. iv; h\ comataLa, 84 & pl. v: N. commuais, 80 & pl. iv ; N. crassielegans, 80 & pl. iv; ~. erbessina, 84 & pl. iv ; hr. intermittens. 82 & pl. iv; N. knihnitziana, 81 & pl. iv; N. la~vigata. 83; N. longiscata. 81 & pl. iv ; N. radicula, 83; N. raphani- strum. 82-83 & pl. iv : N. raphanus, 83 & pls. iv -v ; N. schlicbti, 82 & pl. iv; h T. subnitida, 84 & pl. iv; hr. rerneugli, 81 & pl. iv; .~\ sp. indet., 84 & pl. iv.
hronionina depressula, 102 ; hr. pomp{. lioides, 102.
NOPCSA, F. YON, elected For. Member, civ.
NORTH, F. J., presents unique W. Smith broadsheet, e.
Nucula cf. strigillata, 634: :~\ sp., 637.
Number of Fellows, vii, xix-xxi.
~ a r t 4]. ~ENERAL INDEX. 737
NUTTALL, W. L. F., on Tertiary Foraminifera from the Naparima Region of Trinidad (British West Indies), 57-115 figs. & pls. iii-viii.
ODLING, ~. , 178. OLDHA~, R. D., 670. Olivine in erinanites, 553.
Olivine-analcite-dolerite, see Crlnan- ire.
Olivine-basalt of Miller's Dale, 711 fig.
Oman (Persian Gulf) & par~s of S.E. Arabia, geology & tectonics of, 585-670 figs. & pls. xli-li.
Oolitic structures in Lr. Carb. loam- breccia formation, 392-95 w. chem. anals.
Opercu~ina trinitatensis, 102-103 fig. & pl. v~u.
Orbutina universa, 96. Ordovician underlying Carboniferous
in Menaian region of Carnarvon- shire, 429-430; Ordovic. syncline of Aberdaron, 487-94 figs. & pl. xxxi; Ordovic.-Si]ur. boundary in Meifod district, 683-85.
Ornithet~a arenaria, 163 & pl. x; O. ctassis, 162 & pl. ix; O. foxtey- ensis, 161-62 & pl. ix ; O.jacutum, 163-6~ & pl. x; O. miltonensis, 164 & pl. x ; O. rugosa, 162-63 & pl. ix; O. (Obovothyris) magnobo- rata, 161 & p]. ix ; O. (0,) obovata, 160-61 & pl. ix ; O. (0.) 9randobo - rata & O. (0.) obovata, zones of, 122 ; O. (0.) stiltonensis, zone of, 123-24; O. sarthacensis, 251-53 figs.
Oropuche Lagoon (Trinidad), allu- vium of, 30.
OS~AN, C. W., on the Granites of the Scilly Isles & their Relation to the Dartmoor Granites, 258-90 figs. & pls. xix-xxii, 292.
:es ter Horn (Iceland). gabbros, &c. of, 515-18 figs. & pls. xxxv, xxxix.
Os$rea marshii, 174 ; O. (? Exogyra) b~anfordi, 634-35 & pl. xliv; O. di~uviana, 638-39 ; O. overwegi, 645; 0. ungu~ata, 645; O. vi~ei, 645.
Paddlesworth (Kent), granitoid boul- der from, eli.
Pal~eobiology, use of term, lxiii, lxiv. Pal~olith ft. Putney Heath, cii. Palmyra thrust-block (Trinidad), sect.
across, 44.
Pant Gwyn (Carnarvonshire), Gwna Group, &c. of, 466 et seqq.
Para~elodon trapezi~m, 240 & pl. XVlll.
Pared L lech -ymenyn (Carn~rvon- shire), thrust-planes at, 474 fig., 476 & pl. xxix, 480 fig.
PARKES, J. V., lix. PARKINSON, J., 116 ; on the Pleisto-
cene History of Westmrn Buchiva- coa (Venezuela), 570-72 w. map.
Parwyd (Carnarvonshire), gneisses of, 460-61 & pl. xxxi; sect. at, 489 fig ; E. side of, pl. xxxi.
Passa~oteuthis, 198-99; P. apicicur- vata, 205-206 & pl. xiv, 210 fig. ; P. argil~arum, 200 & pl. xiii, 214 fig. ; P. auricipitis, 204 & pl. xiv, 210 fig. ; P. dayi, 204 & pl. xiv, 210 fig.; P. el onga~a, 201-202 & pl. xiii, 214 fig. ; P. i~.a, 199-200 & pl. xiii, 214 fig. ; P. ~.idgensis, 203-204 & pl. xiv, 214 fig. ; P. sea- townens~s, 203 & pl. xiv; P. stone- barroensis, 200-201 & pl. xiii, 210 fig; P. westhaiensis, 202 & pl. xiii, 210 fig. ; P. woottonensis, 202-203 & pl. xiv.
PEARCE, R., obituary of, lix-lx. Pecten (Neithea) a~pinus, 645; P.
(N.) quadricostatus, 646. Pegmatites in Scil]y Is., 284. Pelmatozoa, reaction of, to their sur-
roundings, lxv-lxxxvi. Peninnis (Scilly Is.), subsidence in
granite, 273-74 fig., 277 & pl. xx. Peullech (Carnarvonshire), gneisses
E. of church, 462. Penmynydd Zone of metamorphism
in S.W, Lleyn, 459-60, 462-63, 478.
PENNY, F. W., 56. Penrhyn Cwm - is - tir (Carnarvon-
shire), Palaeozoic dykes at, 484 fig. ; natural arch S.W. of, pl. xxxi.
Penrhyn Mawr (Carnarvonshire), phyllites, &c. of, 470.
Penrhyn Nevin (Carnarvonshire), gneisses, &c. of, 462, 465.
Pentactiny (& trisactiny) in Pelma- tozoa, lxxi.
Pen y Cil Sill (Carnarvonshire), 487- 93 figs.
Peridotite inclusions of Calton Hill, 712-15 w. chem. anals.
Permian (Lr.) sandstone, tracks in, i ; !~ Permian of S.E. Arabia, &c., 593-
95 & pls. xli-xliii. Pholadomya gigantea, 639-40. Phricodoceras tay~ori, zone of, 195.
738 GE1TERAL I N D E ~ [vol. kxxiv~
Pi~rorhynchia fronto (?), 250. PIDGEON, see DA.NIEL PIDGEON
Fund. P~anorbutina tarva~a vat. trinitaten.
s/s, 97 & pl. vii. P~atyp~euroceras brevispina, zone of,
193. Plectofrondicu~aria ca~ifornica, 92 &
pl. vi. Pleistocene history of W. Buehivaeoa,
5 7 0 - 7 2 w. map, 583-84. Pleurocystis, secondary bilateralism
in, ]x~ii. Pleurostomella alterlmns, 74 & pl. ill ;
PL brevis, 74 & pl. i l l Pteurotomaria, 234 ; PL multicincta,
235 ; PL simi~is, 234-35. P~icatu~a hirsuta, 646. P~io~epidina tobteri, 105 fig. & pl. viii. Point-h-Pierre Formation (Lr. Creta-
ceous), 9-12 ; p..h_p, thrust-block, 43.
Poltimore Quarry (Devon), tracks in Lr. Permian sandstone, i.
Po~ymorphina byramensis, 92-93 & pl. vi ; P. compressa, 93 & pl. vi ; P. e~egantissima, 93 & pl. v i ; P. gibba, 92; P. aft. lactea var. novangli~e, 93; P. lanceolata, 93; P. prob~ema, 92 & pl. vi.
Po~ymorphites polymorphus, zone of, 193-94.
Pont Erwyd Stage (Valentian), in Dinas Mawddwy district, 361-67.
Poonah Series (Upper Miocene), 27- 29 ; P. unconformity, 35-36.
Port Dinorwic (Carnarvonshire), sect. through Chert Series at, 419.
Porth Felen (Carnarvonshire), Gwna Beds, &c. of, 476 & pl. xxviii.
Porth Gwylan (Carnarvonshire), Gwna 'm61ange' S. of, pl. xxix; coast betw. Porth Ychain and, pl. xxx.
Porth Iago (Carnarvonshire), Palaeo- zoic dykes at, 485 fig.
Porth Llanllewen (Carnarvonshire), Gwddel Beds at, 473.
Porth Llyfesig (Carnarvonshire), spilites of, 469.
Porth Oer (Carnarvonshire), spilites, &c. of, 471-72.
Porth Orion (Carnarvonshire), phyl- lites, &c. of, 471-72.
Porth Ty-mawr (Carnarvonshire), Gwna Group, &c. of, 468-69.
Porth Witlin (Carnarvonshire), gabbro at, 463 ; phyllites, &c. of, 469-70.
Porth Ychain (Carnarvonshire), coast betw. Porth Gwylan and, pl. xxx.
Porth y Wrach (Carnarvonshire), phyllites, &c. of, 471.
Post-Permian jointing and folding in Scilly Is., 280.
Pre-Cambrian complex (& assoc . rocks) of S.W. Lleyn, 440-504 figs. & pls. xxvi-xxxii.
Pre-Gosau orogenetic zone, 6 2 4 - 3 4 & maps.
Pre-Permian of S.E. Aral~ia, &c., 591-93 & pl. xlviii; Pre-Permian jointing & folding in SciUy Is., 271-79 & pls. xix-xx.
PRESTWICH Medallists, list of, xxx. Prestwick(Ayrshire), analcite-syenite,
&c. of, 547. Princes Town Marl (Naparima
Series), 22. PRINGLE, J., elected Auditor, iv. Productu~ 9iganteus, 407; P. aft.
giganteus spp. nov. i & ii, 407; P. aft. latissimus, 408 ; P. su~catus, 408.
Pse~rdohasti~,es, 211 ; Ps. a~endineu~, 213-15 fig. & pl. xv; Is. char- mouthensis, 214 fig., 215 & pl. xv ; Ps. cultel~us, 211 & pl. xv ; Ps. ju~weus, 212-13 & pl. xv, 214 fig. ; Ps. ~ongissimus, 211-12 & pl. xv, 214 fig.
Pseudomelanla cf. gresslyi, 640. Pteria ca~%en~is, 241-42 & pl. xviii ;
P. expansa, 174. Pterodonta aft. ootatoorensis, 641. PtychomphaIus, 235-36; P. expansus,
236. PUGH, W. J., 701: exhibits specims.
of markings on rock-surfaces, ~fi ; on the Geology of the District around Dinas Mawdd~ T (Merio- neth), 345-80 figs. & pl. xxv, 381.
Pugnellus orienialis, 658 & pl. xlv. Pu~lenia qninqueloba, 96; P. ~ph~-
roides, 96. Pulvinuli~m elegans, 101 & pl. vii ;
P. menardii, 101 & pl. vii : P. pa~- perata, 100.
PustuLa elegans, 408. Pu~ney Heath (London), Pal~eolith
from, cii. Pyrazus decagonum, 655 & pl. xlv;:
P. pyramidatus, 654 ; P. s~/~a~, race persica, 654-55 & pl. xlv.
Pyroxenes in crinanite, &c., 551-52 &pl. xl.
Qal'at, Jabal al (Arabia), 619 & pl. x]i.
part 4J OE~RXL
Quartz-diorites, 513-14 w. chem. anals.
Quartzite in Pre-Cambrian complex of S.W. Lleyn, 465 e~ . seqq., 475, 476.
Reddening phenomena in Lr. Curb. of Menaian region of Carnarvonshire, 426-28.
Red Vein (Abercorris Group), 358- 59.
Retrench Hill district (Trinidad), Naparima Marls of, 20-21.
REYNOL1)S, S. H., Lyell Medal awarded to, xliv-xlv.
Rhactorhynchia recta, 170-71 & pl. xi. Rhodea sp. (Lr. Carboniferous), 409
fig., 410. Rhy,tchone~oidea cf. cerea~is & Rh.
cf. gremifera, 171 & pl. x ; Rh. ~v i s , 171-72 fig. & pl. x; Rh. cerea~is, zone of, 123.
ROBINSON, G. W., 383, 390-91. Rock-surfaces, markings on, vi. ROGERS, I., exhibits photogr, of Tut
Hole, iv. ROMANES, J., 584. Rota~ia aft. beccarii, 101 ; R. Soldanii,
101. Round I. (Scilly Is.), pegmatite-veins
faulted by sehorl-quartz-veins, 279, 280 fig.
Roveacrinus, lxxxi. Royal Society, publication grant from,
VIi--VIII. RuBIo Y Muf~oz, C., elected For.
Correspondent, civ. Rudirhynchia calcicosta, 247 figs.,
248-49 ; R. (?) fa~lax, 249 figs. Ruus al Jibal (Arabia), geol. struc-
ture of, 616 fig., 617.
SAASTAMOINEN, A. H., receives Mur- chison Medal for J. J. Sederholm, xliii.
Saba~ites sp. (? Miocene), 571. SAcco, F., elected For. Member,
cir. Saccocoma, lxxx. Saih Hatat (Arabia), N.W. corner of,
pl. 1. St. Croix Formation (~ Aquitanian),
18-19. St. Madeleine antielinorium (Trini-
dad), 46-48 figs. St. Mary's (Scilly Is.), greisen-line at
Lifeboat slip, 285 & pl. xxi. Salenia cossi~, 659.
INDEX. 739'
Salopian of Meifod district, 691 ; l i s t of fossils ib/d., 700.
Salt, deposits of, in Arabia and Persia, 590-91.
Sandstones (Lr. Curb.) of Menaian region of Carnarvonshire, 396-97.
San Fernando ridge (Trinidad), 40- 42; S. F. anticlinorium, 44-45 fig.
SARGENT, H. C., 383. Saxicava sp., 648. Schlieren in intrusive rocks o f
C. Ayrshire, origin of, 565-66. Schorl-quartz-veins or reefs in Stilly
granites, 278 fig., 279, 280 fig., 285.
Scilly Is., granites of (& their relatiom to Dartmoor Granites), 258-92 figs. & pls. xix-xxii.
SCOTT, D. H., Wollaston Medal awarded to, xl-xli.
SCRIVENOR, J. B., exhibits geol. map of British Malaya, iv; exhibits photogr, of Malayan scenery, V.
8cyphocrinus & the loboliths, lxxviii. SEDERHOLM, J. J., Murchison Medal"
awarded to, xlii-xliii. Semail Igneous Series, 601-604 &
pl. xlviii. SHAKESPEAR, Dame ETHEL, 501. Shorncote Quarries (Oxon.), sect.
descr., 135. SHRUBSOLE, W. H., obituary of,
lvi-lvii. Sigmoi~ina sigmoidea, 108. Silurian - Ordovician boundary in
Meifod district, 683-85 ; see aLso~ Salopian, &c.
SIMOn, A. L., Ix. Siphogenerina raphanus var. trans-
versa, 94 & pl. vi. Siphonina retic~data, 99. Skeggtind, see Lon & Slaufrudal. SKERL, G. J. A., 383. Skerries Group (Pre-Cambrian), 456-
57. SLATER, G., award fr. Murchison
Fund to, xlviii. Slaufrudal Stock (Iceland), 518-26
figs. & pls. xxxvi-xxxix. SMITH, BERNARD, 343-44. SMITH, STANLEY, 439 ; on the Lower
Carboniferous Pa]veontology of t h e Menaian Region of Carnarvonshire, 400-407.
SMITH, W. CAMPBELL, 538-39; re- elected Secretary, xxiii; receives Lyell Fund for B. Lightfoot, xlix ;: exhibits ' Fedorov Universal Stage ',, cir.
7 4 0 O g N E R ~
:SMITH, WILLIAM, unique broadsheet by, e.
Snowdonia in Lr. Carboniferous times, 435-37.
Sohar (Arabia), geol. structure of country betw. Jabal Hafit and, 618-19.
Sou th Brewham (Someset) sect. at Cards Farm, fig. & descr., 144-45.
Sou th Cerney (Oxon.), sect. N.E. of, descr.. 134.
Sou th Cheriton Quarry (Dorset), sect. descr., 146.
Southrop Quarry (Oxon.), sect. descr., 138.
SPATH, F. L., on the Ammonites from the Belemnite Marls of Char- mouth, 222-32 & pls. xvi-xvii, 257.
SPENCER, L. J., demonstrates fluor- escence of willemite, i.
Sph~roidina bulloides, 96. Spilitic lavas & tufts of Gwna Group,
454-56, 464 et seqq. Spiro~ocu~ina limbata, 108. Bpondytus sp. indet. (Lower Cre-
taceous), 639. SPRING~.R, F., obituary of, liv-lv. Stair, see Trabboch Burn.
:Stalbridge Quarry (Dorset), sect. deser., 147.
ST~B~ING, W. P. D.. exhibits grani- told boulder fr. Paddlesworth, eft.
STELFOX, A. W., 293, 295. STEWART, D., 571, 573, 583. STRAHAN, Sir AUBREY, decease
announced, c. SUESS, F. E., 665. Sumaini, Jabal (Arabia), geol. struc-
ture of country between Ajib and, 616 fig., 617-18.
Swan Inn Quarry, see Long Hand- borough.
:SWEETING, G. S., 56. Swel ly Reef (Menai Strait), uncon-
formity in cliff S. of, 414 fig. :SWISTON, W. E., exhibits model of
armoured Deinosaur, civ; on the Fossil Reptilia collected by Mr. Donald Stewart in Venezuela, 583.
Syringopora fr. Carnarvonshire, 406- 407.
Tarouba Shales (Upper Eocene ?), 13-14.
'Tectonics of Menaian region of Car- narvonshire, 414-17 figs. ; of Pre- Cambrian Complex of S.W. Lleyn, 480-83 fig. & pls. xxix-xxxi, 494- 500 fig. ; of Oman & S.E. Arabia, ,611-34 figs. & pls. xlii-xliii, xlviii.
rm~EX. [vol. lxxxiv ,
T~tus tamtdicus & T. aft. tam~dicus, 650.
Tegutithyris bentleyi, zone of, 124. Terebrat~da ornithocephata, 165-66. Test~tdo sp. (? Miocene), 583. Tetraspidoceras spp., zone of, 194-95. TextuLaria aggl~etinans, 72 ; T. go~sii,
73 & pl. iii; T. 9ramen, 72-73. THOMAS, H. H., 383, 501,537, 568. THOMAS, W. I., lX. THORNHILL, Major - - , 383. Thrust-planes of low hade in Stilly
Is., 276-77 & pl. xix, Thufuhraunstind, see Oster Horn. Timorocidaris (Permian), lxxvii. Titanangite in crinanites, &c., 551. TO~KEIEFF, S. I., 726-27; on the
Volcanic Complex of Calton Hill (Derbyshire), 703-17 figs., 718.
Trabboch Burn (Ayrshire), crinanite, &e. of, 546-47.
Traeth Penlleeh (Carnarvonshire), cliff at, pl. xxx; T. P. Phyllites (Pre-Cambrian), 468.
Treborth Park (Menai Strait), sect. across, 415.
Trias of Ulster, worm-casts in, v ; Trias of S.E. Arabia, &c., 595-96.
Trichin0poly district (India), Upper Senonian Cyrtoma from, v.
Trigonia angutata, 172 & pl. xii; Tr. charttonensis, 173 & pl. xii; Tr. griesbacbi, 173 & pl. xii; Tr. rotandi, 173 & pl. xii.
Trinidad (B.W.I.), see Naparima. Trisactiny (& pentacthly) in Pelma-
tozoa, lxxi. Trochammina congtobata, 71. Troch~ts 9rayi, 648-49 & pl. xlv ; T.
lartetianus, 649 ; T. tineat,~s, 650 ; T. omanictts, 649-50 & pl. xlv.
Tropidoceras, suture-lines of, 226 fig. ; T. aft. actxon, 226 fig., 228- 29 & pl. xvi ; T. calliptocoides, 226 fig., 229-30 & pl. xvii; T. el, lipti- cure, 225-27 figs. & pls. xvi, xvii ; T. fltttereri, 226 fig., 228 & pl. x~i ; T. gatatense, 227 & pl. xvi; T. liueatum, 226 figs., 227 & pls. xvi, xvii ; T. sparsicosta, 228 & pl. xvii ; T. aft. stal~ti, 230-31 & pl. xvii; T. masseanum, zone of, 192.
Tropidoceratidae, 224-25. Tropiorhynchia tl~atia, 247-48 figs. TR()TT~.R, F. M., 439. TICUEMAN, A. E., 255-56. Tr~tncatutina cutter, 98 & pl. vii;
Tr. floridana, 98 & pl. vii ; Tr. l~aidingeri. 97 & pl. vii ; Tr. itlingi, 99 fig. & pl. vii ; Tr. lobatula, 98 ;
part 4] GENERAL INDEX. 7~
Tr. refutgens, 98 ; Tr, trinitatensis, 97 & pl. vii ; Tr. wuetLerstorfi, 98 & pl. vii.
Trust-Funds and Special Funds, statement of, xxxvi-xxxviii.
Trwyn Byehestyn (Carnarvonshire), phyllites, &c. of, 476.
Trwyn Glhs (Carnarvonshire), spflites, &c. of, 470-71.
Trwyn Maen-melyn (Carnarvonshire), sect. to Mynydd Byehestyn, 474.
TSCHER~AK, G. YON, obituary of, 1. Tuff (& stratified agglomerate) of
Calton Hill, 706-707. Turbo granosecinctus, 648. Turkestan (S.), see Alai. Turritella cf. herberti, 653; T. sp.
(Upper Cretaceous), 653. Tut Hole (Devon), iv. Tyfry Beds (Pre-Cambrian), 456-
57. TYR~ELL, G. W., on some Dolerite-
Sills containing Analcite-Syenite in Central Ayrshire, 540-67 figs. & pl. xl, 568-69.
TYRRELL [3. B.] Fund, viii.
Uintacrinus, lxxix. Unconformities in Naparima district
of Trinidad, 31-42; in Menaian region of Carnarvonshire, 414 fig.
Union Hall Estate (Trinidad), sect. across, 46.
Upper Green Hill Quarry, see Enslow Bridge.
Uptonia ~amesoni, zone of, 192-93; U. obsoteta, zone of, 193.
Uvigerina auberiana, 94 & pl. vi ; U. ~ygm~ea, 93-94; U. pygma~a vat., 94 & pl. vi ; U. tenuistriata, 94.
Vaginu~ina legumen var. elegans, 91 &pl. vi.
Valentian of Dinas Mawddwy dis- trict, 348 et seqq., 361-67 ; of Mei- fod district, 685-91 fig. ; list of fossils ibid., 699-700.
Vaynol Park (Menai Strait), sect. across, facing 416.
Ve~ata ve~ata, 244. Venus ga~drina, 640. Vermetus tibycus, 653; V. (Thyta-
codes) tame~osus, 652. Verneuitina a~xa, 75 & pl. iii; 17.
bradyi, 74-75 & pl. iii; V. gLa- bra$a var. trinita$en~is, 75 & pl. iii.
Vesicular lava, &e. of Calton Hill , 708-12.
Vestur Horn (Iceland), gabbros, &c. of, 507-15 figs. & pls. xxxiii- xxxiv.
Vik, see Lon. Voussier-block formation in Scilly
granites, 272-73 fig. Vutsettopsis aft. caillaudi, 644 fig. &
pl. xlv.
Wadi Adi, &c., see Adi, q'c. WALDMANN, L., 665. WALKER, W. 1~., lx. WALTON, J., on the Lower Carboni-
ferous Flora of the Menaian Region of Carnarvonshire, 408-10 fig.
WA~ING, D. A., 56. WATTS, W. W., 702, 726. Wenlock Series, passage-beds to, in
Meifod district, 691. WESTON, G. E., 56. WHITE, E. I., 185. White I. (Scilly Is.), inclusion in
granite of, 263, 286 & pl. xix; aplite of, 283 & pl. xx.
Wicklow (Ireland), local glaciation of, 300-302; W. Hills, retreat of Irish-Sea Ice & Ivernian Ice from, 304-12; W. Ice, earlier stages in retreat of, 315-16 ; glacial retreat ft. country between W. Hills & Western coast, 326-37 figs.
WiUemite (& other zinc-minerals), fluorescence of, i.
Williamsville Clays (.~Burdigalian), 17.
WILSON, Sir ARNOLD, 665. WITKERS, T. H., 383. Witney (Oxon.), sect. at Ducklington
Lane Quarry descr., 132. WOLLASTON Medallists & recipients of
W. Award, lists of, xxvi ; W. Medal awarded to D. H. Scott, xl-xli;: W. Fund awarded to g. Wright, xlvii-xlviii.
WooD, E. S., Ix. WooD, J. G., obituary of, Ix. WOODWARD, Sir ARTHUR S~[ITH,
383; elected For. Secretary, xxiii. WOOLDRIDGE, S. W., award fr.
Daniel-Pidgeon Fund to, c. Worm-casts in Ulster Trias, v. WRIGHT, g., award fr. Wollaston
Fund te, xlvii-xlviii.
Xenollthie inclusions in Seilly gran- ites, 285-87.
~42 e~.~gRAL I~DEx [vol. lxxxiv.
Yanqul (Arabia), geol. structure of country betw. Kh~bura and, 619 & pl. xlix.
Yetminster Quarry (Dorset), sect. descr., 149.
Ystwyth Stage (Vahmti~n) in Dinas Mawddwy district, 366-67.
Zeolites in a~lcite-syenite, 549-51 &pl. xl.
END OF YOL. LXXXIV.
[December 31st, 1928.]
PRINTRD BY TAYLOR AND FRANCIS, RED LION COURT, FLRET STREET.
