Vol. IV 



MAY, 190y 



THE PHILIPPINE 



No. 3 



172 



JOURNAL OF SCIENCE 



EDITED BY 



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



CO-EDITOR, 



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



WITH THE COOPERATION OF 



MERTON L. MILLER, Ph. D. ; GEORGE F. RICHMOND 

 W. D. SMITH, Ph. D.; ALVIN J. COX, Ph. D. 

 RAYMOND F. BACON, Ph^ D.; CHARLES S. BANKS, 

 H. D. GIBBS. B. S.; R. C. McGEEGOR, A. B. 



PUBLISHED BY 



THE BUREAU OF SCIENCE 



OF THE 



GOVERNMENT OP THE PHILIPPINE ISLANDS 



A. General Science 



MANILA 



BUREAU OF PRINTING 



1909 



