THE PHILIPPINE JOURNAL OF SCIENCE 



(PUBLICATION BEGAN IN 1906) 



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



GENERAL EDITOR 



A Periodical devoted to the Scientific and Commercial Interests of the 

 ' Tropics 



The Journal 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 Indus- 

 tries) $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 Journal, beginning with Volume VI (per volume) 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. 



AGENTS 



The Macmillan Company, 64-66 Fifth Avenue, New York, U. S. A. 



\Vm. Wesley & Son, 2 8 Essex Street, Strand, London, W. C, England. 



Martinus Nijhoff, Lange Voorhoiit », The Hague, Holland. 



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



.\. M. & J. Ferguson, 19 Baillle Street, Colonibo, Ceylon. 



Tluicker, Spink S. Co., P. O. Box 54, CaUiKtii. India. 



