March 27, 1908] 



SCIENCE 



495 



psychical response is not essential between 

 the sexes in mating. 



Some Notable Cases of Badical Vaiiation 

 and Regeneration in Starfishes and 

 Ophiurans: Addison E. Verrill, Tale 

 University. (Read by title.) 

 The following demonstrations were ex- 

 hibited : 



Some Maturation Stages of the Mouse Egg: 

 J. A. Long (by B. L. Mark). 



Preparations showing th& Matiiraiion, 

 Fertilization, and Cleavage of the Eggs 

 of the Mouse and Rat: Wesley R. Coe 

 and W. B. Kjrkham. 



The Organ of Claus in the Copepod 

 Eucalanus: C. 0. Esteely (by E. L. 

 Mark). 



Photographs of Triplet Calves: Raymond 

 Peael. 



Photographs of Wirig of Foivl with Three 

 Extra Digits: Oilman A. Drew. 



A Series of Embryos of the _ Loggerhead 

 Turtle: Davenport Hooker. 



Model of a Portion of the Lumen of the 

 Spermatophoric Gland of the Squid: L. 

 W. Williams. 



Color Variations of Litorina palliata: F. B. 

 Sumner and J. W. Undervtood. 



Morphological Variation during the Life- 

 Cycle of Infusoria: Lorande Loss Wood- 

 ruff. 



Loeande Loss Woodruff, 



Secretary 

 Yale University 



TEE AMERICAN SOCIETY OF BIOLOGICAL 



CHEMISTS 



The first annual session of the American 

 Society of Biological Chemists was held 

 at the University of Chicago during con- 

 vocation week, from December 30, 1907, 

 to January 2, 1908, inclusive. Four meet- 

 ings were held, with the scientific pro- 

 grams indicated below: 



First Meeting. 



Physiology Building. Monday after- 

 noon, December 30, 1907. 



Presiding officer: The president, Russell 

 H. Chittenden. 



Program 



" The Rate of Oxidation of the Sugars in an 

 Acid Medium," by H. H. Bunzel (by invitation). 



" On the Efficiency of Thymol and Refrigeration 

 for the Preservation of Urine, as shown by Com- 

 parative Analyses for the Various Nitrogenous 

 Constituents at the End of 24, 48, 72 and 96 

 hours," by P. B. Hawk and H. S. Grindley. 



" Comparative Tests of Spiro's and Folin's 

 Methods for the Determination of Ammonia and 

 Urea," by Paul E. Howe and P. B. Hawk. 



" A Study of the Relative Therapeutic Value 

 of Antitoxic Globulin Solution and the Whole 

 Serum," by Edwin J. Banzhaf (by invitation). 



" The Quantitative Changes during Immuniza- 

 tion in the Blood of Horses and the Relation of 

 the Serum Globulin to Diphtheria and Tetanus 

 Antitoxin Content," by Edwin J. Banzhaf and 

 Robert B. Gibson. 



" The Compressibility of Gelatin Solutions and 

 of Muscle," by Lawrence J. Henderson and F. N. 

 Brink. 



" The Efficiency of the Neutrality Regulation in 

 the Animal Organism," by Lawrence J. Henderson. 



" On Glycosuria," by Hugh McGuigan. 



" A Comparison of Waymouth Raid's and 

 Schenck's Methods for the Estimation of Sugar 

 in Blood," by J. J. R. Macleod. 



" Eosinophilia and Indicanuria," by C. H. Neil- 

 son. 



Second Meeting 



Physiology Building. Tuesday morning, 

 December 31, 1907. Joint session with the 

 American Physiological Society. 



Presiding officers: The president of the 

 American Society of Biological Chemists, 

 Russell H. Chittenden, and the president 

 of the American Physiological Society, 

 William H. Howell. 



Program 



" Protein Metabolism in Fasting," by Otto Folin. 



" Experimental Glycosuria," by J. J. R. Mac- 

 leod. 



" Further Observations on the Parenteral Util- 

 ization of Carbohydrates," by Lafayette B. Mendel. 



