TWELFTH SCIENTIFIC MEETING OF THE COLUM- 

 BIA UNIVERSITY BIOCHEMICAL ASSOCIATION, 

 AT THE COLLEGE OF PHYSICIANS AND 

 SURGEONS, NEW YORK, JUNE 2, 19131 



Proceedings reported by THE Secretary, 

 ALFRED P. LOTHROP 



The twelfth scientific session (fourth " anniial" meeting) o£ the 

 Columbia University Biochemical Association was held at the 

 Columbia Medical School, at 8.15 p. m., on June 2, 1913.^ Ab- 

 stracts of the papers are presented here (pages 542-558) in two 

 groups : (A) Abstracts of papers on research by non-resident 

 members^ and (B) abstracts of papers from the Columbia Bio- 

 chemical Department and affiliated laboratories. The appended 

 summary facilitates reference to the abstracts (86-107).* 



A SUMMARY OF THE NAMES OF THE AUTHORS AND OF THE 

 TITLES OF THE SUCCEEDING ABSTRACTS (86-107) 



A Max Kahn. MetaboHsm studies of 



five cases of endarteritis obliterans 

 ("Hebräische Krankheit"). (88) 



Daniel R. Lucas. On the content in 

 expired air of protein detectable by 

 the anaphylactic reaction. (89) 



Max Morse. On the comparative 

 physiology of creatin and Creatinin. 

 (90) 



Matthew Steel. Influence of elec- 

 tricity upon metabolism. (91) 



A. F. Blakeslee and Ross Aiken 

 GoRTNER. On the occurrence of a 

 toxin in juice expressed from the 

 bread mould, Rhisopus nigricans 

 (Mucor stolonifer). (86) 



Ross Aiken Gortner. Studies on 

 melanin : V. A comparison of cer- 

 tain nitrogen ratios in black and in 

 white wool from the same animal. 

 (87) 



1 Scientific meetings are held regularly on the first Fridays of December, 

 February and April, and on the first Monday in June. 



~ Proceedings of the ninth, tenth and eleventh scientific meetings were 

 published in the last (April) number of the Biochemical Bulletin at pages 

 452, 461 and 486. 



3 Members of the Association who were not officially connected with the 

 Columbia Biochemical Department when the researches were conducted. 



* Previous abstracts were published in the Biochemical Bulletin : 1-44, 

 1912, ii, p. 156; 45-62, 1913, ii, p. 28s; 63-72, 1913, ii, p. 452; 73-85, IQIS, 

 ii, p. 462. 



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