CONTENTS. 



Page. 

 COX, ALVIN J. Philippine Firewood i 



OECHSLIN, K. J. Quinine Esters of Phenylarsinic 



Acid Derivatives • 23 



PRATT, "WALLACE E. The Mechanical Analysis of 



Soil 35 



WILLIAMS, kOBERT R. The Economic Possibili- 

 ties of the Mangrove Swamps of the Philippines __ 45 



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