CONTENTS. 



Philip Adolph Kober: Pervaporation, perstillation and percrystallization. 



55 (1233). 



Edward Uhlenhuth: A contribution to the metamorphosis of skin in Amphibians. 



56 (1234). 



Graham Lusk: The influence of diet on the heat production during mechanical 



work in the dog. 57 (1235). 

 P. A. Levene and C. J. West: The cerebrosides of brain tissue. 58 (1236). 

 Alfred F. Hess: A consideration of the reduction of blood platelets in purpura 



59 (1237). 



A. J. Goldfarb: The effects of ageing upon germ cells and their development. 



60 (1238). 



N. W. Janney and V. I. Isaacson: The influence of thyroidectomy on the blood 

 sugar. 61 (1239). 



William Salant and A. M. Swanson: Further observations on the influence of 



diet on the toxicity of sodium tartrate. 62 (1240). 

 C. E. King (by invitation): A note on the parenteral administration of starch. 



63 (1241). 



S. J. Holmes: The development of pieces of diemyctylus embryos. 64 (1242). 

 Carl L. A. Schmidt: On " racemized " casein. 65 (1243). 



The Proceedings of the Society for Experimental Biology and Medicine are 

 published as soon as possible after each meeting. Regular meetings of the Society 

 are held in New York on the third Wednesday of the months of October to May 

 inclusive. A volume of the Proceedings consists of the numbers issued during an 

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President — William J. Gies, College of Physicians and Surgeons. 

 Vice-President — -John Auer, Rockefeller Institute for Medical Research. 

 Secretary-Treasurer — Holmes C. Jackson, University and Bellevue Hospital 

 Medical College. 



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