THE PHILIPPINE JOURNAL OF SCIENCE 



(EIGHTH YEAR OF PUBLICATION) 



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



GENERAL EDITOR 



A Journal Devoted to the Scientific and Commercial 

 Interests of the Tropics 



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, Volume II, III, IV, or V 5.00 



Entire Journal, beginning with Volume VI 7.00 



Single numbers of Volume I .75 



Single numbers (except of Volume I) .50 



Each section is separately paged and indexed. 



Authors receive 100 copies of their papers free. 

 Volume I, 19 06 (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 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. 



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



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



Mayer & Miiller, Prinz Louis Fcrdinandstrass^ 2, Berlin, N. W., Germany. 



Kelly & Walsh, Ltd., 3 2 Raffles Place, Singapore, Straits Settlements. 



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



Thacker, Spink & Co., P. O. Box 54, Calcutta, iMdia. 



