426 American Chemical Society [June-September 



the free amino-acld nitrogen of feedingstuffs. — H. S. Grindley, W. 



E. Joseph and M. E. Slater: Quantitative determination of the 

 amino-acids of the mixed proteins of feedingstuffs. — R. S. Potter 

 and R. S. Snyder: Nitrogen distribution according to the Van Slyke 

 method in soils and their " humic acids " ; Amino-acid nitrogen in 

 soils variously treated. — Max Kahn: Urinary mucin. — M. Kahn and 



F. G. Goodridge: Cystin. — F. G. Goodridge: Biochemical studies 

 of mercaptan. — M. Kahn and Francis Huber: Metabohsm studies of 

 multiple myeloma with Bence-Jones albumose. — M. Kahn and 5. 

 Schneider: Study of the mineral metabolism of diabetics. — A. F. 

 Hess and M. Kahn: Mineral metabolism of two cases of hemophilia. 

 — Jacob Rosenbloom: Ethereal sulfates of the urine in various dis- 

 eases; Modification of Gerhardt's test for diacetic acid; Influence 

 of low and high protein intake on the excretion of acetone, diacetic 

 acid, and i^-hydroxybutyric acid in diabetes. — W. M. Clark: Ad- 

 justment of the reaction of bacteria culture media; Final hydrogen- 

 ion concentration of cultures oi B. coli. — E. H. Walters and W. M. 

 Clark: Relation of propionic fermentation to the development of 

 " eyes " in Ementhaler cheese. — 6*. L. Jodidi: Factor to be used for 

 the calculation of the phosphoric acid in Neumann's method. — S. L. 

 Jodidi and E. H. Kelhogg: Factor to be used for the calculation of 

 phosphoric acid in Neumann's method. I. Factor as influenced by 

 the water used for washing the yellow precipitate. — R. E. Swain 

 and E. R. Harding: Quantitative estimation of alantoin. — Lewis 

 Knndson: Influence of certain sugars on the growth and respiration 

 of vetch. — W. J. Robbins: Influence of certain inorganic substances 

 on the digestion of starch by Penicillium camemberti. — W. M. Clark 

 and H. A. Lubs: Differentiation of organisms of the colon group by 

 means of indicators. — C C Johns and Arno Viehoever: Studies on 

 the saponins of Chlorogalum pomeridianum and of Agave lechu- 

 guilla; Alkaloids of Amianthium miisca:torium. 



Biochemical Lahoratory of Columbia University, 

 College of Physicians and Surgeons, New York. 



