INTRODUCTION 



This volume includes a complete contents of the Philippine 

 Journal of Science, Volumes I to X (1906 to 1915) ;' an author 

 index; and a subject index. 



Volume I (1906) was issued in one section of ten numbers, with a botanical 



supplement of five nimibers. 

 Volumes II to IV (1907-1909) were issued in three sections of six numbers 

 each : 



Section A, General Science. 

 Section B, Medical Sciences. 

 Section C, Botany. 

 Volumes V to X (1910-1915) were issued in four sections of six numbers 

 each : 



Section A, Chemical and Geological Sciences and the Industries. 



Section B, Medical Sciences. 



Section C, Botany. 



Section D, Ethnology, Anthropology, and General Biology. 



The names of some of the sections were occasionally subjected 

 to slight changes. All of these will be found indicated in the 

 contents, as well as the actual date of issue of each number 

 of the Journal. The author index follows the contents. Clas- 

 sification of all articles is included in the subject index. 



The following is the scheme of classification adopted: 



Anatomy. Chemistry: 



Anthropology. Acids, alkalies, and salts. 



Apparatus. Analytical. 



Bacteriology. Apparatus, see Apparatus. 



Bibliography. Biological. 



Botany : Botany. 



Algse. Cellulose and paper. 



Bryophyta. Cement and other building mate- 

 Ecology, rials. 



Economic. Dyes and textile. 



Fungi. Fats, fatty oils, and soaps. 



General. Fermented and distilled liquors. 



Lichenes. Foods. 



Morphology. Fuels, gas, tar, and coke. 



Myxogastres. General and physical. 



Phjrtogeography. Glass and ceramics. 



Plant physiology. Inorganic. 



Pteridophyta. Leather and glue. 



Spermatophyta. Mineralogical and geological. 



'Paul C. Freer, M. D., Ph. D., general editor, 1906-April, 1912; Alvin J. 

 Cox, M. A., Ph. D., general editor. May, 1912, to date. 



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