■^"i 



Vol. IV 



JULY, 1909 



THE PHILIPPINE 



No. 4 



81 



JOURNAL OF SCIENCE 



EDITED BY 



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



CO-EDITOR, 



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



WITH THE COOPERATION OP 



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, M. S 



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



PUBLISHED BY 



THE BUREAU OF SCIENCE 



OP THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



A. GENERAL Science 



MANILA 



BUREAU OP PRINTING 



1909 



