Vol. VI 



AUGUST, 1911 



No. 4 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



EDITED BY 



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



WITH THE COOPERATION OF 



DEAN a WORCESTER, A. B.; MERTON L. MILLER, Ph. D. 



LAWRENCE E. GRIFFIN, Ph. D.; CHARLES S. BANKS, M. S. 



ALVIN SEALE, A. B.; RICHARD C. McGREGOR, A. B. 



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



PUBLISHED BY 



THE BUREAU OF SCIENCE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



D. General Biology, Ethnology and 

 Anthropology 



MANILA 



BUREAU OF PRINTINQ 



191: 



