VOL. I 
SEPTEMBER 15, 1906 
Supplement IV 
THE PHILIPPINE 
JOURNAL OF SCIENCE 
EDITED BY 
PAUL C. FREER, M. D., Ph. D. 
CO-EDITORS 
•< 
RICHARD P. STRONG, Ph. B., M. D. 
H. D. McCASKEY, B. S. 
E. D. MERRILL, M. S. 
PUBLISHED BY 
THE BUREAU OF SCIENCE 
OF THE 
GOVERNMENT OP THE PHILIPPINE ISLANDS 
