496 



SCIENCE 



[N. S. Vol.. XXVII. No. 691 



" Preliminary Report of Certain Investigations 

 as to the Nature of Peptones/' by Howard D. 

 Haskins. 



" The Spontaneous Oxidation of Some Cell Con- 

 stituents," by Albert P. Mathews, 0. Riddle and 

 S. Walker. 



" The Fats and Lipoids of Malignant Renal 

 Hypernephromas," by H. Gideon Wells. 



" Protein Metabolism in the Dog. II. The In- 

 fluence of Low Caloric Values of Nitrogen on 

 Metabolism," by Emil Osterberg and Charles G. 

 L. Wolf. 



" Further Communication on the Effect of 

 Vagus Inhibition on the Output of Potassium 

 from the Heart," by W. H. Howell and W. W. 

 Duke. 



" On the Chemical Study of Mental Disorders," 

 by Waldemar Koch. 



■ Concerning the Pharmacological Action of 

 Potassium Iodide," by L. B. Stookey and V. 

 Gardner. 



" On the Composition of Normal Lymph from 

 the Neck Lymphatics of the Horse," by J. R. 

 Greer (by invitation). 



" The Presence of Glucose in Saliva," by J. G. 

 Ryan ( by invitation ) . 



" The Antagonistic Action of Calcium upon the 

 Inhibitory Effect of Magnesium," with a demon- 

 stration, by S. J. Meltzer and John Auer. 



Third Meeting 



Kent Chemical Building. Wednesday 

 morning, January 1, 1908. Joint session 

 with the Biological Section jaf the Ameri- 

 can Chemical Society in affiliation with 

 Section C (Chemistry) of the American 

 Association for the Advancement of Sci- 

 ence. 



Presiding officers: The president of the 

 American Chemical Society, Marston Tay- 

 lor Bogfert, and the president of the Ameri- 

 can Society of Biological Chemists and 

 chairman of the Biological Section of the 

 American Chemical Society, Russell H. 

 Chittenden. 



Program 



President's Address : " Some of the Present-day 

 Problems of Biological Chemistry," by Russell H. 

 Chittenden. (Published in Science, XXVIL, p. 

 241, 1908.) 



" On the Passage of Substances into tlie Human. 

 System by Osmosis," by Louis Kahlenberg. 



" The Isolation and Toxic Properties of an 

 Organic Soil Constituent," by Oswald Schreiner 

 and Edmund C. Shorey. 



" Toxic Substances Arising during Plant Metab- 

 olism," by Oswald Schreiner and M. X. Sullivan. 



" Bacterial Growth and Chemical Changes in 

 Milk Kept at Low Temperatures," by M. E. Pen- 

 nington. 



" The Chemical and the Physiological Properties 

 of a Solution of Hydrochloric Acid and Sodium 

 Chloride," by Amos W. Peters. 



" Endo and Ekto Invertase of the Date," by A. 

 E. Vinson. 



" GlyeoeoU as a Prodvict of Uricolysis," by L. 



B. Stookey. 



" A Study of the Influence of Potassium Cyan- 

 ide on the Excretion of Nitrogenous Substances 

 in the Urine of Dogs," by William H. Welker. 



"A Demonstration of a Method (with appa- 

 ratus) of showing the Electric Charges of Col- 

 loids," by A. B. Macallum. 



" The Protein of Tumors," by S. P. Beebe. 



" Iodic Determination in the Thyroid Gland," 

 by S. P. Beebe and L. W. Riggs. 



" On the Action of Nitric Acid on Nucleic 

 Acids," by Walter Jones. 



" On the Occurrence of a Phytin Splitting En- 

 zyme in Animal Tissues," by E. V. MeColIum and 

 E. B. Hart. 



" Nitrogen in Protein Bodies," by Thomas B. 

 Osborne and C. A. Brantlecht. 



Fourth Meeting 



Physiology Building. Thursday morn- 

 ing, January 2, 1908. 



Presiding officers : The president, Russell 

 H. Chittenden, and the vice-president and 

 president-elect, John J. Abel. 



Program 



" The Extraintestinal Origin of Hydrobili- 

 rubin," by A. E. Austin and Mabel D. Ordway. 



" On the Alleged Formation of Bile Pigments 

 and Bile Acids by the Action of Trypsin on Hemo- 

 globin," by Frederick S. Hollis (by invitation). 



" On the Excretion of Hexamethylentetramin in 

 the Bile and Pancreatic Juice," by S. J. Crowe 

 ( by invitation ) . 



" The Digestive Gland of the Crawfish," by H. 



C. Bradley (by invitation). 



" On the Effect of Certain Conditions upon 

 Postmortem Autolysis," by Holmes C. Jackson. 



