VOL. XI, Sec. D, No. 3 



May, 1916 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



ALVIN J. COX, M. A., Ph. D. 



GENERAL EDITOR 



Section D 



GENERAL BIOLOGY, ETHNOLOGY, 

 AND ANTHROPOLOGY 



EDITED WITH THE COOPERATION OF 



ALVIN SEALE, A.B.; R. P. COWLES, Ph.D.; C. F. BAKER, A. M. 



S. F. LIGHT, M.A.; C. S. BANKS, M.S.; L. D. WHARTON, M. A. 



W. SCHULTZE; H. 0. BEYER, M.A.; R. C. McGREGOR, A.B. 



H. E. KUPFER, A.B. 



MANILA 



BUREAU OF PRINTING 



1916 



