Page. 
539 
581 
603 
631 
633 
REVIEWS 647 
ERRATA 649 
INDEX . . . 651 
The Philippine Journal of Science is issued twelve times a 
year. The sections were discontinued with the completion of 
Volume XIII (1918). 
Yearly subscription, beginning with Volume XIV, 5 dollars 
United States currency. Single numbers, 50 cents each. 
Publications sent in. exchange for the Philippine, Journal of 
Science should be addressed : Library, Bureau of Science, Manila, 
P. I. 
, Subscriptions may be sent to the Business Manager, Phil- 
ippine Journal of Science, Bureau of Science, Manila, P. I., or 
to any of the agents listed on the third page of this cover. 
CONTENTS 
MERRILL, E. D. Notes on Philippine Euphorbiaceae, 
ni . 
QUISUMBING, FRANCISCO A. Determination of glu- 
cose and starch by the alkaline potassium perman- 
ganate method 
TRELEASE, SAM F. The growth of rice as related to 
proportions of fertilizer salts added to soil cultures 
COCKERELL, T. D. A. Supplementary notes on the 
social bees of the Philippine Islands. 
HAUGHWOUT, FRANK G,; DOMINGO, ELIAS; and 
DE LEON, WALFRIDO. Protozoologic and clinical 
studies on the treatment of protozoal dysentery with 
benzyl benzoate ,...........:.^c-....................,.......= 
Entered at the post office at Manila, P. I., as second-class matter. 
