tn 



Vol. IV 



SEPTEMBER, 1909 



THE PHILIPPINE 



No. 5 



149 



JOURNAL OF SCIENCE 



EDITED BY 



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



CO-EDITOR, 



RICHARD p. STRONG, Ph. B., M, 



WITH THE COOPEEATION OF 



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



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 



OF THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



A. GENERAL SCIENCE 



MANILA 



BUREAU OF PRINTING 



1909 



