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THE PHILIPPINE 



JOURNAL OF SCIENCE 



EDITED BY 



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



WITH THE COOPERATION OF 



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



W. D. SMITH, Ph. D.; A. 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 

 Volume IV 

 1909 . 



With 88 Plates. 60 Figures, 7 Charts and 1 Diagram 



MANILA 



Bl'REAI" OF PRINTING 



1910 



