CONTENTS. 



D. T. MacDougal and H. A. Spoehr: The effect of organic acids and their amido- 



compounds on the hydration of agar and on a biocolloid. 21 (1396). 

 A. R. Moore: The carbon-dioxide of injury and of respiration in nervous tissue. 

 22 (1397)- 



Jacques Loeb: Volumetric analysis of ion-protein compounds. 23 (1398). 



Martha Wollstein and S. J. Meltzer: Experimental pneumonia produced by 

 streptococcus hemolyticus. 24 (1399). 



Victor C. Myers and John A. Killian: The prognostic value of the creatinine of 

 the blood in nephritis. 25 (1400). 



Alfred F. Hess and John A. Killian: Chemistry of the blood in scurvy. 26 (1401). 



J. Bronfenbrenner and M. J. Schlesinger: Carbohydrate fermentation by bac- 

 teria as influenced by the composition of the medium. 27 (1402). 



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