

TABLE OF CONTENTS 



The Use of the Colorimeter in the 

 Indicator Method of H Ion Deter- 

 mination with Biological Fluids. . . 



PAGE 



Some Conditions Affecting the 

 Growth and Activities of Azoto- 

 bacter chroococcum E. R. Allen 1- 44 



An All-Glass Nitrogen Apparatus . . 



E. R. Allen and B. S. Davisson 45- 48 



Arcangeliella, Gymnomyces, and 

 Macowanites in North America . . 



S. M. Zeller and C. W. Dodge 49- 59 



B. M. Duggar and C. W. Dodge 61- 70 



Tyrosin in the Fungi: Chemistry 

 and Methods of Studying the 

 Tyrosinase Reaction C. W. Dodge 71- 92 



Studies in the Physiology of the 

 Fungi. VI. The Relation of Bac- 

 teria to Cellulose Fermentation 

 Induced by Fungi, with Special 

 Reference to the Decay of Wood . Henry Schmitz 93-136 



Studies in the Physiology of the 

 Fungi. VII. Growth of Wood- 

 Destroying Fungi on Liquid Media 



S. M. Zeller, Henry Schmitz and B. M. Duggar 137-142 



Merulius in North America, Supple- 

 mentary Notes E. A. Burt 143-145 



Seed Disinfection for Pure Culture 

 Work H. C. Young 147-158 



' Seed Disinfection for Pure Culture 



Work: The Use of Hypochlorites 



B. M. Duggar and Anne W. Davis 159-170 



