

Vol. IX, sec. a, No. 5 



September, 1914 



THE PHILIPPINE 



JOURNAL OF SCIENCE 



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



GENERAL EDITOR 



Section A 



CHEMICAL AND GEOLOGICAL SCIENCES 

 AND THE INDUSTRIES 



EDITED Wl: . 



OOOPKRA : 



W. D. SMITH, Ph. D.; H. D. GIBBS, Ph. D.; W. C. REIBLING, Ch. E. 



W. E. PBATT, A. M.; R. R. WILLIAMS, M. S.; D. S. PRATT, PH. D. 



RICHARD C. MCGREGOR, A. B. 



MANILA 

 BUBEAU OF PRIKTING 

 '"'■I .1814 



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