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THE PHILIPPINE 



JOURNAL OF SCIENCE 



EDITED BY 



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



WITH THE COOPERATION OF 



DEAN C. 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 



OF THE 



GOVERNMENT OF THE PHILIPPINE ISLANDS 



D. General Biology, Ethnology and 

 Anthropology 



Volume VI 



1911 



With 8.5 Plates and 27 Text Figures 



% 



y 



MANILA 



BUREAU OF PRINTING 



1911 



xx\Q(W 



