Vol. IV 



DECEMBER, 1909 



No. (i 



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, M. S., M. D.; ARTHUR F. COCA, A. M., M. D. 



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



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



PUBLISHED BY 



THE BUREAU OF SCIENCE 



OP THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



B. Medical Sciences 



MANILA 



BUREAU OF PRINTING 



1909 



