Vol. IV 



APRIL, 1909 



No. 2 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



EDITED BY 



PAUL C. FREER, M. D., Ph. D. 



CO-EDITOR, 



RICHARD P. STRONG, Ph. B., M. D. 



WITH THE COLLABORATION OF 



VICTOR G. HEISER, M. D. ; W. E. MUSGRAVE, M. D. 



OSCAR TEAGUE, B. S., M. S., M. D. 



JOHN R. McDILL, M. D.; FERNANDO CALDERON, M. D. 



JOSE ALBERT, M. D.; PHILIP K. OILMAN, A. B., M. D. 



PHILIP E. GARRISON, B. A., M. D. 



PUBLISHED BY 



THE BUREAU OF SCIENCE 



OF THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



B. Medical Sciences 



MANILA 



BUREAU OF PRINTING 



1909 



