Vol. VI 



APEIL, 1911 



THE PHILIPPINE 



No. 2. 



JOURNAL OF SCIENCE 



EDITED BY 



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



WITH THE COOPERATION OF 



W. D. SMITH, Ph. D.; ALVIN J. COX, Ph. D.; H. D. GIBBS, B. S. 

 W. C. REIBLING, B. S.; NELLIE LOUISE COOK, B. L., M. A. 



PUBLISHED BY 



THE-BUREAU OF SCIENCE 



OP THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



A. Chemical and Geological Sciences and 

 THE Industries 



«l Wnaf 



■ MANILA 

 BUREAU OF PRINTING 

 1911 



