

THE PHILIPPINE JOURNAL OF SCIENCE 



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



GENERAL EDITOR 



A Periodical devoted to the Scientific and Commercial Interests of the 



Tropics 



The Journal, now in its tenth volume, is issued in four sections. 

 Each section consists of six numbers a year, is separately paged and 

 indexed, and is a complete publication in itself. 



SUBSCRIPTION RATES TO CURRENT VOLUME 



U.S. 

 currency. 



Section A (Chemical and Geological Sciences and the Industries) $2.00 



Section B (Tropical Medicine) 3.00 



Section C (Botany) , Elmer D. Merrill, B. S., M. S., Editor 2.00 



Section D (General Biology, Ethnology, and Anthropology). 



Section D began with Volume V 2.00 



Entire Journal (4 sections) 7.00 



PRICES OF BACK NUMBERS AND VOLUMES 



Entire Journal, Volume II, III, or IV (3 sections each); or V 



(4 sections) 5.00 



Entire Joui'nal, beginning witli Volume VI (per \olume) 7.00 



Single numbers of Volume I - .75 



Single numbers (except of Volume I) .50 



Volume I, 1906 (not divided into sections), and supplement, sold 



only with a complete file of section A, B, or C 10.00 



Supplement to Volume I (Botany).. 3.50 



Volume I (without supplement), sold only with a complete file 



of section A, B, or C. 6.50 



Subscriptions to the Philippine Journal of Science and orders for sales 

 publications may be sent to the Business Manager, Philippine Journal 

 of Science, Bureau of Science, Manila, P. I., or to any of the agents 

 listed below. 



FOREIGN agents' 



The Macraillan Company, 64- « 6 Fifth Avenue, New York, U. S. A. 



Wm. Wesley & Son, 28 Essex Street, Strand, London, W. C, England. 



Martinus Nijhoff, Lange Voorhout 9, The Hague, Holland. 



Mayer & MUller, Prlnz liOuis Perdinandstrasse 2, Berlin, N. W., Germany. 



Kelly & Walsh, Ltd., 32 Kaffles Place, Singapore, Straits Settlements. 



A. M. & J. Ferguson, 19 Baillie Street, Colombo, Ceylon. 



rhacker, Spink & Co., P. O. Box 54, Calcutta, India. 



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