Febkuaet 6, 1914] 



SCIENCE 



219 



"Protein Metabolism in Individuals with Ex- 

 foliative Conditions of the Skin, " by A. I. Ringer 

 and G-. W. Raiziss (by invitation). 



' ' The Oxygen Requirements of Shell Fish, ' ' by 

 P. H. Mitchell. 



"The Metabolic Relationship of the Acetone 

 Bodies," by "W. McK. Marriott. 



' ' Phenomena of Narcosis of Leaves of the Wild 

 Indigo (Baptisia tinctoria) and Consequent Pro- 

 deduction of a New Phenol, " by E. D. Clark. (By 

 title.) 



' ' A Hitherto Unknown Constituent of Nerve 

 Cells," by A. B. Macallum and J. B. Collip (by 

 invitation). 



' ' A Note on the Chemical Constituents of the 

 Cerebrospinal Fluid in Certain Cases of Insanity, ' ' 

 by H. M. Adler and B. H. Ragle (by invitation). 

 (By title.) 



' ' On the Estimation of Minute Quantities of 

 Phosphorus," by A. E. Taylor and C. W. MiUer 

 (by invitation). 



' ' Formation of Glucose from Citric Acid in Dia- 

 betes Mellitus and in Phlorhizin Glycosuria," by 

 I. Greenwald. 



"Further Results upon the Electrolysis of Pep- 

 tides and Amino Acids," by J. P. Atkinson. (By 

 title.) 



' ' Researches on the Heptoses, ' ' by George 

 Peirce (by invitation). 



"The Nerve Control of the Thyroid Gland." 

 By C. G. Faweett (by invitation) and J. A. Eahe 

 (by invitation). (Presented by S. P. Beebe.) 



Fourth Session. — December 30, 2 p.m., at the 

 medical laboratory of the University of Pennsyl- 

 vania. Joint meeting with the American Physio- 

 logical Society and the American Society of Phar- 

 macology and Experimental Therapeutics. 

 Presiding ofl&oer. President S. J. Meltzer. 



Presentation of Demonstrations 



The Influence of the Vagi on Renal Secretion, 

 by R. G. Pearce. 



Stimulation of the Semi-circular Canals, by F. 

 H. Pike. 



Demonstration of Vividiffusion, by J. J. Abel, 

 L. G. Rowntree and B. B. Turner. 



The Determination of Blood Sugar, by P. A. 

 Shaffer. 



Intestinal Peristalsis in Homarus, by F. R. 

 Miller. 



Methods for Studying the Pharmacology of the 

 Circulation, by C. Brooks. 



The Contour of the Intraventricular and the Pul- 

 monary Arterial Pressure Curves by Two New 

 Optically Recording Manometers, by C. J. Wiggers. 



Some Time-saving Laboratory Methods, by C. C. 

 Guthrie. 



A Graphic Method for Recording the Coagula- 

 tion of Blood, by W. B. Cannon and W. L. Menden- 

 hall (by invitation). 



Some Mutual Relations of Oxalates, Salts of 

 Magnesium and Calcium; Their Concurrent and 

 Antagonistic Actions, by F. L. Gates and S. ,1. 

 Meltzer. 



A Method of obtaining Successive Contrast of 

 the Sensations of Hunger and Appetite, by A. J. 

 Carlson. 



Further Observations on the Pyramidal Tracts 

 of the Raccoon and Porcupine, by S. Simpson. 



A New Apparatus for Demonstration of the 

 Dioptrics of the Eye and the Principles of Oph- 

 thalmoscopy and Retinoscopy, by A. Woelfel. 



Simple Experiments on Respiration for the Use 

 of Students, by Y. Henderson. 



Convenient Modification for Venous Pressure 

 Determinations in Man, by R. D. Hooker. 



Device for Interrupting a Continuous Blast of 

 Air, Designed Especially for Artificial Respira- 

 tion, by R. A. Gesell and J. Erlanger. 



A Simple Liver Plethysmograph, by 0. W. Ed- 

 munds. 



An Artificial Circulation Apparatus for Students, 

 by W. P. Lombard. 



A Simplified and Inexpensive Oxadase Appa- 

 ratus, by H. H. Bunzel. 



An Improved Form of Apparatus for Perfusion 

 of the Excised Mammalian Heart, by M. Dessbach. 



Fifth Session. — December 31, 9 a.m., at the Uni- 

 versity of Pennsylvania. Presiding officer. Presi- 

 dent A. B. Macallum. 



"Biological Oxidizability and Chemical Consti- 

 tution," by H. H. Bunzel. 



' ' Albuminuria Following Phenolphthalein In- 

 gestion," by J. L. Hydrich (by invitation). 



' ' The Determination of Fats in Small Amounts 

 of Blood," by W. E. Bloor. 



"Creatine Determination in Muscle," by L. 

 Baumann. 



' ' A Respiration Chamber for Small Animals, ' ' 

 by A. C. Kolls (by invitation) and A. S. Loeven- 

 hart. 



' ' A Respiration Incubator for the Study of 

 Metabolism in New-born and Prematurely Born 

 Infants, " by J. R. Murlin. 



"The Soecifie Role of Foods in Relation to the 

 Composition of the Urine, " by N. R. Blatherwiok 

 (by invitation). 



' ' Creatinine- and Creatine-f ree Foods, ' ' by Rita 

 K. Chestnut (by invitation). (Presented by A. B. 

 Macallum. ) 



' ' Experimental Hydrochloric Acid Intoxica- 

 tion," by S. Bookman. (By title.) 



"The Effects of Water-gas Tar on Oysters," by 

 P. H. Mitchell. (By title.) 



"The Effect of Glucose on Autolysis: A Pos- 

 sible Explanation of the Protein -sparing Action 

 of Carbohydrates" (preliminary note), by P. A. 

 Shaffer. 



' ' The Passage of Organic Substances from 

 Plant to Medium," by M. X. Sullivan. (By 

 title.) 



"Studies on Chicken Fat VI. The Factors In- 

 fluencing the Acidity of the Crude Fat," by M. 

 E. Pennington, J. S. Hepburn (by invitation) and 

 E. L. Connolly (by invitation). 



By Title: 



"The Influence of Restricted Rations on 

 Growth," by E. B. Hart and E. V. McCollum. 



