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Vol. 29 January-April 1926
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Anna B. Banyea, Copy Editor
ChemistryAlbert H. Wells, A.B.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Arguelles, B.S.; Walter L. Brooke, M.S.; F.D. Reyes, B.S.A.P. West, Ph.D., Granville A. Perkins, Ph.D.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;F.G. Haughwout
Edward B. Vedder, M.A., M.D., D.Sc.; A.P. Hitchens, M.D.Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.
Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Vicente de Jesus, M.D.; Jose Albert, M.D.H.Lara, M.D.; Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.;C.F. Baker, M.A.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyAlbert W. Herre, Ph.D. .; W. Schultze; C.F. Baker, A.M
Leopoldo B. Uichanco, Sc.D.; Marcos A. Tubangui, D.V.M.; Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 31 September - December 1926
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Anna B. Banyea, Copy Editor
ChemistryAlbert H. Wells, A.B.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Arguelles, B.S.; Walter L. Brooke, M.S.; F.D. Reyes, B.S.A.P. West, Ph.D.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;F.G. Haughwout
Edward B. Vedder, M.A., M.D., D.Sc.; A.P. Hitchens, M.D.Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.
Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Vicente de Jesus, M.D.; Jose Albert, M.D.H.Lara, M.D.; Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.;C.F. Baker, M.A.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyAlbert W. Herre, Ph.D. .; W. Schultze; C.F. Baker, A.M
Leopoldo B. Uichanco, Sc.D.; Marcos A. Tubangui, D.V.M.; Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 33 May - August 1927
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Anna B. Banyea, Copy Editor
ChemistryAlbert H. Wells, A.B.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Arguelles, B.S.; Walter L. Brooke, M.S.; F.D. Reyes, B.S.A.P. West, Ph.D.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;F.G. Haughwout
Edward B. Vedder, M.A., M.D., D.Sc.; A.P. Hitchens, M.D.Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.
Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Vicente de Jesus, M.D.; Jose Albert, M.D.H.Lara, M.D.; Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyAlbert W. Herre, Ph.D. .; W. Schultze; C.F. Baker, M.A.
Leopoldo B. Uichanco, Sc.D.; Marcos A. Tubangui, D.V.M.; Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 34 September – December 1927
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Anna B. Banyea, Copy Editor
ChemistryAlbert H. Wells, A.B.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Arguelles, B.S.; F.D. Reyes, B.S.; A.P. West, Ph.D.Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;
Edward B. Vedder, M.A., M.D., D.Sc.; A.P. Hitchens, M.D.Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.
Daniel De La Paz M.D.; Cristobal Manalang, M.D.Raymond A. Kelser D.V.M., A.M., Ph.D.
Earl B. McKinley, A.B., M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyAlbert W. Herre, Ph.D. .; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 35 January – April 1928
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Arguelles, B.S.; F.D. Reyes, B.S.Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;
Edward B. Vedder, M.D., D.Sc.Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.
Daniel De La Paz M.D.; Cristobal Manalang, M.D.Earl B. McKinley, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyAlbert W. Herre, Ph.D. .; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 36 May-August 1928
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Arguelles, B.S.; F.D. Reyes, B.S.Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Earl B. McKinley, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyHeraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 37 September-December 1928
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Argueles, B.S.; F.D. Reyes, B.S.Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño B.S.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.;
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyHeraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A.
Vol. 39 May-August 1929
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Dorothy B. O’Rourke, B.S., Copy Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D. F. Agcaoili, A.B.
A.S. Argueles, B.S.; F.D. Reyes, B.S.; R.H. Aguilar. Ch.E.J.C. Espinosa, B.S.in Ch.E. ; Manuel Roxas, Ph.D.
Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.; James S. Simmons, B.S., M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; R.L. Holt, M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyHeraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol. 41 January-April 1930
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Lucile M. Lidstone, Copy Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D.
A.S. Argueles, B.S.; F.D. Reyes, B.S.; R.H. Aguilar. Ch.E.J.C. Espinosa, B.S.in Ch.E. ; Manuel Roxas, Ph.D.
Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.; James S. Simmons, B.S., M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; R.L. Holt, M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
ZoologyHeraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol. 43 September-December 1930
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Lucile M. Lidstone, Copy Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D.
A.S. Argueles, B.S.; F.D. Reyes, B.S.; R.H. Aguilar. Ch.E.J.C. Espinosa, B.S.II Ch.E. ; Manuel Roxas, Ph.D.
Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; R.L. Holt, M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.; Carmelo Reyes, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
Atherton Lee, M.S.
ZoologyHeraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol. 44 January - April 1931
Editorial Board
William H. Brown, Ph.D., EditorR.C. McGregor, A.B., Associate Editor
Lucile M. Lidstone, Copy Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D.
A.S. Argueles, B.S.; F.D. Reyes, B.S.; R.H. Aguilar. Ch.E.J.C. Espinosa, B.S.II Ch.E. ; Manuel Roxas, Ph.D.
Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; R.L. Holt, M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.; Carmelo Reyes, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
Atherton Lee, M.S.
ZoologyHeraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.
Marcos A. Tubangui, D.V.M., Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol. 48 May-August 1932
Editorial Board
William H. Brown, Ph.D., EditorA.S. Argueles, B.S., Associate Editor
R.C. McGregor, A.B., Associate EditorLucile M. Lidstone, Copy Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D.
F.D. Reyes, B.S.; R. H. Aguilar, Ch.E.; Manuel Roxas, Ph.D.J.C. Espinosa, B.S.II Ch.E.; Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOtto Schobl, M.D.; H.W. Wade, M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; R.L. Holt, M.D.; Cristobal Manalang, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.; Carmelo Reyes, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
Atherton Lee, M.S.
ZoologyWallace Adams,; Marcos A. Tubangui, D.V.M.
Heraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol. 50 January - April 1933
Editorial Board
William H. Brown, Ph.D., EditorA.S. Argueles, B.S., Associate Editor
R.C. McGregor, A.B., Associate Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D.
F.D. Reyes, B.S.; R. H. Aguilar, Ch.E.; Manuel Roxas, Ph.D.J.C. Espinosa, B.S.II Ch.E.; Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOnofre Garcia, M.D.; H.W. Wade, M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Seymour C. Schwartz, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.; Carmelo Reyes, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
Atherton Lee, M.S.
ZoologyWallace Adams,; Marcos A. Tubangui, D.V.M.
Heraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol. 51 May – August 1933
Editorial Board
William H. Brown, Ph.D., EditorA.S. Argueles, B.S., Associate Editor
R.C. McGregor, A.B., Associate Editor
ChemistryA.P. West, Ph.D.; T. Dar Juan, Phar.D.
F.D. Reyes, B.S.; R. H. Aguilar, Ch.E.; Manuel Roxas, Ph.D.J.C. Espinosa, B.S.II Ch.E.; Maria Y. Orosa, Ph.C., M.S.
GeologyVictoriano Elicaño BS.; Leopoldo A. Faustino, E.M., Ph.D.
Experimental MedicineOnofre Garcia, M.D.; H.W. Wade, M.D.
Stanton Youngerg, D.V.M.; Arturo Garcia, M.D.Daniel De La Paz M.D.; Cristobal Manalang, M.D.
Seymour C. Schwartz, M.D.
Clinical MedicineLiborio Gomez M.D., Ph.D.; F. Calderon, L.M.
Jacobo Fajardo, M.D.; Jose Albert, M.D.; H. Lara, M.D.Jose Rodriguez, M.D.; Carmelo Reyes, M.D.
BotanyL.M. Guerrero, Phar D.; A. F. Fischer, C.E., M.F.
J.K. Santos, Ph.D.; P.L. Sherman,Ph.D.; Eduardo Quisumbing, Ph.D.Joaquin Marañon , Ph.D.; Rafael B. Espino, Ph.D.
Atherton Lee, M.S.
ZoologyWallace Adams,; Marcos A. Tubangui, D.V.M.
Heraclio R. Montalban, M.A.; Leopoldo B. Uichanco, Sc.D.Manuel D. Sumulong, M.S., D.V.M
AnthropologyH.O. Beyer, M.A.; Otto Johns Scheerer, M.A., E. Schneider, B.L.
Vol.57 No. 1 May - August 1935
DEPARTMENT OF AGRICULTURE AND COMMERCE
Eulogio Rodriguez, A.B., SecretaryJorge B. Vargas, A.B.,LL.B., Under SecretaryVictor Buencamino, D.V.M., Acting Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S Arguelles, B.S., Ch.E., EditorLeopoldo A. Faustino, E.M., PH.D. , Associate Editor
Richard C. MCgregor, Managing EditorCONTRIBUTING EDITOR
ChemistryManuel L. Roxas, PH.D.; A.P West, PH.D; T. Dar Juan PHAR.D.
F.D. Reyes, B.S.; , F.T Adriano, PH.D.; R.H Aguilar, CH.EA.J. Hermano, D.Sc.; J. C. Espinosa, B.S in CH.E.
Maria Y. Orosa, PH.C., M.S, Marcos M. Alicante, PH.D.Geology
V. Elicaño, B.S.; Q.A Abadilla, E.M.; Jose M. Feliciano, PH.D. Experimental Medicine
Onofre Garcia, M.D.; H. W. Wade, M.D.; Arturo Garcia, M.D.Daniel De La Paz, M.D., Cristobal Manalang, M.D.
Victor Buencamino, D.V.M.; Teodulo Topacio, D.V.M., D.ScClinical Medicine
Liborio Gomez, M.D., ; F. Calderon, L.M.Jacobo Fajardo, M.D.,; Jose Albert, M.D.; H.Lara, M.D.
Jose Rodriguez, M.D.; Carmelo Reyes, M.D.Botany
William H. Brown, PH.D.; J. K. Santos, PH.D., Sherman, PH.D.Leon MA. Guerrerom PHAR D.; A.F. Fischer, C.E,; M.F.;
Eduardo Quisumbing, PH.D. ,;T. G. Fajardo, PH.D. Joaquin Marañon, SC.D. ,Rafael B. Espino, PH.D.
Nicanor G. Teodor, PH.D., Vicente C. Aldaba, PH.D.; Felicano M. Clara, PH.D., Juan P Torres, PH.D., Luis P. Reyes, B.S.F.
ZoologyMarcos A. Tubangui, D.V.M.; Heraclio R. Montalban, M.A
Leopoldo B. Uichanco. D.Sc,; Gonzalo Merino, PH.D.FAUSTINO Q. OTANES, M.S.; HILARIO A. ROXAS, PH.D.
Manuel D. Sumulong, M.S., D.V.M,; Lope M. Yutuc, D.V.M.Deogracias Villadolid, PH.D.; Canuto G. Manuel D.Sc.
AnthropologyH. O. Beyer, M.A.; Otto Johns Scheerer, M.A.; E. E. Schneider, B.L.
Vol.59 January-april 1936
DEPARTMENT OF AGRICULTURE AND COMMERCE
Eulogio Rodriguez, A.B., SecretaryJorge B. Vargas, A.B.,LL.B., Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S Arguelles, B.S., Ch.E., EditorLeopoldo A. Faustino, E.M., PH.D., Associate EditorVicente G. Bunuan, A.B., B.S.E., Managing Editor
CONTRIBUTING EDITORChemistry
Manuel L. Roxas, PH.D.; A.P West, PH.D; T. Dar Juan PHAR.D.F.D. Reyes, B.S.; , F.T Adriano, PH.D.; R.H Aguilar, CH.E
A.J. Hermano, D.Sc.; J. C. Espinosa, B.S in CH.E.Maria Y. Orosa, PH.C., M.S, Marcos M. Alicante, PH.D.
GeologyV. Elicaño, B.S.; Q.A Abadilla, E.M.; Jose M. Feliciano, PH.D.
Experimental MedicineOnofre garcia, M.D.; H. W. Wade, M.D.; Arturo Garcia, M.D.
Daniel De La Paz, M.D., Cristobal Manalang, M.D.Victor Buencamino, D.V.M.; Teodulo Topacio, D.V.M., D.Sc
Clinical MedicineLiborio gomez, M.D., ; F. Calderon, L.M.
Jacobo Fajardo, M.D.,; Jose Albert, M.D.; H.Lara, M.D.Jose Rodriguez, M.D.; Carmelo Reyes, M.D.
BotanyWilliam H. Brown, PH.D.; J. K. Santos, PH.D., Sherman, PH.D.
A.F. Fischer, C.E,; M.F.; Eduardo Quisumbing, PH.D. T. G. Fajardo, PH.D., Jiaquin Marañon, SC.D.
Rafael B. Espino, PH.D., Nicanor G. Teodor, PH.D., Vicente C. Aldaba, PH.D.; Felicano M. Clara, PH.D.,
Juan P Torres, PH.D., Luis P. Reyes, B.S.F.Zoology
Marcos A. Tubangui, D.V.M.; Heraclio R. Montalban, M.ALeopoldo B. Uichanco. D.Sc,; Gonzalo Merino, PH.D.
Faustino Q. Otanes, M.S.; Hilario A. Roxas, PH.D.Manuel D. Sumulong, M.S., D.V.M,; Lope M. Yutuc, D.V.M.
Deogracias Villadolid, PH.D.; Canuto G. Manuel D.Sc.Anthropology
H. O. Beyer, M.A.; Otto Johns Scheerer, M.A.; E. E. Schneider, B.L.
Vol.60 May - August 1936
DEPARTMENT OF AGRICULTURE AND COMMERCE
Eulogio Rodriguez, A.B., Secretary Jose S. Camus, B.A gr., Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S Arguelles, B.S., Ch.E., EditorEduardo Quisimbing, PH.D., Associate Editor
Vicente G. Bunuan, A.B., B.S.E., Managing EditorCONTRIBUTING EDITOR
ChemistryManuel L. Roxas, PH.D.; A.P West, PH.D; T. Dar Juan Phar.D.
F.D. Reyes, B.S.; , F.T Adriano, PH.D.; R.H Aguilar, CH.EA.J. Hermano, D.Sc.; J. C. Espinosa, B.S in CH.E.
Maria Y. Orosa, PH.C., M.S, Marcos M. Alicante, PH.D.Geology
V. Elicaño, B.S.; Q.A Abadilla, E.M.; Jose M. Feliciano, PH.D. Experimental Medicine
Onofre Garcia, M.D.; H. W. Wade, M.D.; Arturo Garcia, M.D.Daniel De La Paz, M.D., Cristobal Manalang, M.D.
Victor Buencamino, D.V.M.; Teodulo Topacio, D.V.M., D.ScClinical Medicine
Liborio Gomez, M.D., ; F. Calderon, L.M.Jacobo Fajardo, M.D.,; JOSE Albert, M.D.; H.Lara, M.D.
Jose Rodriguez, M.D.; Carmelo Reyes, M.D.Botany
William H. Brown, PH.D.; J. K. Santos, PH.D., Sherman, PH.D.A.F. Fischer, C.E,; M.F.; T. G. Fajardo, PH.D.
Jiaquin Marañon, SC.D., Rafael B. Espino, PH.D.; Nicanor G. Teodor, PH.D., Vicente C. Aldaba, PH.D.;
Felicano M. Clara, PH.D.,; Juan P Thorres, PH.D.Luis P. Reyes, B.S.F.
ZoologyMarcos A. Tubangui, D.V.M.; Heraclio R. Montalban, M.A
Leopoldo B. Uichanco. D.Sc,; Gonzalo Merino, PH.D.Faustino Q. Otanes, M.S.; Hilario A. Roxas, PH.D.
Manuel D. Sumulong, M.S., D.V.M,; lope M. Yutuc, D.V.M.Deogracias Villadolid, PH.D.; Canuto G. Manuel D.Sc.
AnthropologyH. O. Beyer, M.A.; Otto Johns Scheerer, M.A.; E. E. Schneider, B.L.
Vol.62 No. 4. April 1937
DEPARTMENT OF AGRICULTURE AND COMMERCE
EULOGIO RODRIGUEZ, A.B., Secretary JOSE S. CAMUS, B.A gr., Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S ARGUELLES, B.S., Ch.E., EditorEDUARDO QUISIMBING, PH.D., Associate Editor
VICENTE G. BUNUAN, A.B., B.S.E., Managing EditorSOPHIE RODOLFO, M.A., Copy Editor
ChemistryMANUEL L. ROXAS, PH.D.; A.P WEST, PH.D; T. DAR JUAN PHAR.D.
F.D. REYES, B.S.; , F.T ADRIANO, PH.D.; R.H AGUILAR, CH.EA.J HERMANO, D.Sc.; J. C. ESPINOSA, B.S in CH.E.
MARIA Y. OROSA, PH.C., M.S, MARCOS M. ALICANTE, PH.D.Geology
V. ELICANO, B.S.; Q.A ABADILLA, E.M.; JOSE M. FELICIANO, PH.D. Experimental Medicine
ONOFRE GARCIA, M.D.; H. W. WADE, M.D.; ARTURO GARCIA, M.D.DANIEL DE LA PAZ, M.D., CRISTOBAL MANALANG, M.D.
VICTOR BUENCAMINO, D.V.M.; TEODULO TOPACIO, D.V.M., D.ScClinical Medicine
ANTONIO SISON M.D.,: LIBORIO GOMEZ, M.D.,JOSE ALBERT, M.D,; H. LARA, M.D.
JOSE RODRIGUEZ, M.D.; CARMELO REYES, M.D.Botany
ELMER D. MERILL, D.Sc,; WILLIAM H. BROWN, PH.D.; J. K. SANTOS, PH.D.A.F. FISCHER, C.E,; M.F.; T. G. FAJARDO, PH.D.
JIAQUIN MARAÑON, SC.D., RAFAEL B. ESPINO, PH.D.; NICANOR G. TEODOR, PH.D., VICENTE C. ALDABA, PH.D.;
FELICANO M. CLARA, PH.D.Zoology
MARCOS A. TUBANGUI, D.V.M.; HERACLIO R. MONTALBAN, M.ALEOPOLDO B. UICHANCO. D.Sc,; GONZALO MERINO, PH.D.
FAUSTINO Q. OTANES, M.S.; HILARIO A. ROXAS, PH.D.MANUEL D. SUMULONG, M.S., D.V.M,; LOPE M. YUTUC, D.V.M.
DEOGRACIAS VILLADOLID, PH.D.; CANUTO G. MANUEL D.Sc.Anthropology
H. O. BEYER, M.A.; OTTO JOHNS SCHEERER, M.A.; E. E. SCHNEIDER, B.L.
Vol.62 No. 3. March 1937
DEPARTMENT OF AGRICULTURE AND COMMERCE
EULOGIO RODRIGUEZ, A.B., Secretary JOSE S. CAMUS, B.A gr., Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S ARGUELLES, B.S., Ch.E., EditorEDUARDO QUISIMBING, PH.D., Associate Editor
VICENTE G. BUNUAN, A.B., B.S.E., Managing EditorSOPHIE RODOLFO, M.A., Copy Editor
ChemistryMANUEL L. ROXAS, PH.D.; A.P WEST, PH.D; T. DAR JUAN PHAR.D.
F.D. REYES, B.S.; , F.T ADRIANO, PH.D.; R.H AGUILAR, CH.EA.J HERMANO, D.Sc.; J. C. ESPINOSA, B.S in CH.E.
MARIA Y. OROSA, PH.C., M.S, MARCOS M. ALICANTE, PH.D.Geology
V. ELICANO, B.S.; Q.A ABADILLA, E.M.; JOSE M. FELICIANO, PH.D. Experimental Medicine
ONOFRE GARCIA, M.D.; H. W. WADE, M.D.; ARTURO GARCIA, M.D.DANIEL DE LA PAZ, M.D., CRISTOBAL MANALANG, M.D.
VICTOR BUENCAMINO, D.V.M.; TEODULO TOPACIO, D.V.M., D.ScClinical Medicine
ANTONIO SISON M.D.,: LIBORIO GOMEZ, M.D.,JOSE ALBERT, M.D,; H. LARA, M.D.
JOSE RODRIGUEZ, M.D.; CARMELO REYES, M.D.Botany
ELMER D. MERILL, D.Sc,; WILLIAM H. BROWN, PH.D.; J. K. SANTOS, PH.D.A.F. FISCHER, C.E,; M.F.; T. G. FAJARDO, PH.D.
JIAQUIN MARAÑON, SC.D., RAFAEL B. ESPINO, PH.D.; NICANOR G. TEODOR, PH.D., VICENTE C. ALDABA, PH.D.;
FELICANO M. CLARA, PH.D.Zoology
MARCOS A. TUBANGUI, D.V.M.; HERACLIO R. MONTALBAN, M.ALEOPOLDO B. UICHANCO. D.Sc,; GONZALO MERINO, PH.D.
FAUSTINO Q. OTANES, M.S.; HILARIO A. ROXAS, PH.D.MANUEL D. SUMULONG, M.S., D.V.M,; LOPE M. YUTUC, D.V.M.
DEOGRACIAS VILLADOLID, PH.D.; CANUTO G. MANUEL D.Sc.Anthropology
H. O. BEYER, M.A.; OTTO JOHNS SCHEERER, M.A.; E. E. SCHNEIDER, B.L.
Vol.62 No. 2. February 1937
DEPARTMENT OF AGRICULTURE AND COMMERCE
EULOGIO RODRIGUEZ, A.B., Secretary JOSE S. CAMUS, B.A gr., Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S ARGUELLES, B.S., Ch.E., EditorEDUARDO QUISIMBING, PH.D., Associate Editor
VICENTE G. BUNUAN, A.B., B.S.E., Managing EditorSOPHIE RODOLFO, M.A., Copy Editor
ChemistryMANUEL L. ROXAS, PH.D.; A.P WEST, PH.D; T. DAR JUAN PHAR.D.
F.D. REYES, B.S.; , F.T ADRIANO, PH.D.; R.H AGUILAR, CH.EA.J HERMANO, D.Sc.; J. C. ESPINOSA, B.S in CH.E.
MARIA Y. OROSA, PH.C., M.S, MARCOS M. ALICANTE, PH.D.Geology
V. ELICANO, B.S.; Q.A ABADILLA, E.M.; JOSE M. FELICIANO, PH.D. Experimental Medicine
ONOFRE GARCIA, M.D.; H. W. WADE, M.D.; ARTURO GARCIA, M.D.DANIEL DE LA PAZ, M.D., CRISTOBAL MANALANG, M.D.
VICTOR BUENCAMINO, D.V.M.; TEODULO TOPACIO, D.V.M., D.ScClinical Medicine
ANTONIO SISON M.D.,: LIBORIO GOMEZ, M.D.,JOSE ALBERT, M.D,; H. LARA, M.D.
JOSE RODRIGUEZ, M.D.; CARMELO REYES, M.D.Botany
ELMER D. MERILL, D.Sc,; WILLIAM H. BROWN, PH.D.; J. K. SANTOS, PH.D.A.F. FISCHER, C.E,; M.F.; T. G. FAJARDO, PH.D.
JIAQUIN MARAÑON, SC.D., RAFAEL B. ESPINO, PH.D.; NICANOR G. TEODOR, PH.D., VICENTE C. ALDABA, PH.D.;
FELICANO M. CLARA, PH.D.Zoology
MARCOS A. TUBANGUI, D.V.M.; HERACLIO R. MONTALBAN, M.ALEOPOLDO B. UICHANCO. D.Sc,; GONZALO MERINO, PH.D.
FAUSTINO Q. OTANES, M.S.; HILARIO A. ROXAS, PH.D.MANUEL D. SUMULONG, M.S., D.V.M,; LOPE M. YUTUC, D.V.M.
DEOGRACIAS VILLADOLID, PH.D.; CANUTO G. MANUEL D.Sc.Anthropology
H. O. BEYER, M.A.; OTTO JOHNS SCHEERER, M.A.; E. E. SCHNEIDER, B.L.
Vol.62 No. 1. January 1937
DEPARTMENT OF AGRICULTURE AND COMMERCE
Eulogio Rodriguez, A.B., Secretary Jose S. Camus, B.Agr., Under Secretary
THE PHILIPPINE JOURNAL OF SCIENCEPublished by the Bureau of Science, Department of Agriculture and Commerce
[Entered at the Post Office at Manila, Philippines, as second-class matter.]
A.S Arguelles, D.Sc., EditorEduardo Quisimbing, PH.D., Associate Editor
Vicente G. Bunuan, A.B., B.S.E., Managing EditorSophie Rodolfo, M.A., Copy Editor
ChemistryManuel L. Roxas, PH.D.; A.P West, PH.D; T. DAR Juan Phar.D.
F.D. Reyes, B.S.; , F.T Adriano, PH.D.; R.H Aguilar, CH.EA.J Hermano, D.Sc.; J. C. Espinosa, B.S in CH.E.
Maria Y. Orosa, Ph.D., M.S, Marcos M. Alicante, Ph.D.Geology
V. Elicano, B.S.; Q.Q Abadilla, E.M.; Jose M. Feliciano, Ph.D. Experimental Medicine
Onofre Garcia, M.D.; H. W. Wade, M.D.; Arturo Garcia, M.D.Daniel De La Paz, ,M.D., Cristobal Manalang, M.D.
Victor Buencamino, D.V.M.; Teodulo Topacio, D.V.M., D.ScClinical Medicine
Antonio Sison M.D.,: Liborio Gomez, M.D.,Jose Albert, M.D,; H. Lara, M.D.
Jose Rodriguez, M.D.; Carmelo Reyes, M.D.Botany
Elmer D. Merill, D.Sc,; William H. Brown, Ph.D.; J. K. Santos, Ph.D.A.F. Fischer, C.E,; M.F.; T. G. Fajardo, Ph.D.
Jiaquin Marañon, Sc.D., Rafael B. Espino, Ph.D.; Nicanor G. Teodor, Ph.D., Vicente C. Aldaba, Ph.D.; Felicano M. Clara, PH.D.
ZoologyMarcos A. Tubangui, D.V.M.; Heraclio R. Montalban, M.A
Leopoldo B. Uichanco. D.Sc,; Gonzalo Merino, Ph.D.Faustino Q. Otanes, M.S.; Hilario A. Roxas, Ph.D.
Manuel D. Sumulong, M.S., D.V.M,; Lope M. Yutuc, D.V.M.Deogracias Villadolid, Ph.D.; Canuto G. Manuel D.Sc.
AnthropologyH. O. Beyer, M.A.; Otto Johns Scheerer, M.A.; E. E. Schneider, b.l.