Vol. V 



MARCH, 1910 



No. 2 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



EDITED BY 



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



WITH THE COOPERATION OP 



GEORGE F. RICHMOND, M. S.; W. D. SMITH, Ph. D. 



ALVIN J. COX, Ph. D.; GEORGE I. ADAMS, D. Sc. 



RAYMOND F. BACON, Ph. D.; H. D. GIBBS, B. S. 



NELLIE LOUISE COOK, B L., M. A. 



PUBLISHED by 



THE BUREAU OF SCIENCE 



OF THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



A. Chemical and Geological Sciences and 

 the Industries 





-^sonian lm 



MANILA 



BUREAU OP PRINTING 



1910 



■ 



