AMERICAN PHILOSOPHICAL SOCIETY 

 General meeting — April 22 to 24, 1915 



REPORTED BY 



JOSEPH S. HEPBURN 



New members. — The following, among others, were elected 

 members: John J. Abel (Johns Hopkins Univ.), John M. Coulter 

 (Univ. of Chicago), William J. Gies (Columbia Univ.), Philip B. 

 Hawk (Jefferson Med. Coli, Phila.), Thomas H. Morgan (Colum- 

 bia Univ.), Raymond Pearl (Maine Agric. Exp. Station), Theobald 

 Smith (Harvard Univ.). 



PaPERS of BIOLOGICAL and CHEMICAL INTEREST. M. H. 



Jacobs: Heredity in protozoa. — T. H. Morgan: Constitution of 

 hereditary material. — G. H. Parker: Problem of adaptation as illus- 

 trated by the für seals of the Pribilof Islands. — Edward M. East: 

 Interpretation of sterility in hybrids. — G. H. Shidl: Heterosis and 

 the effects of inbreeding. — B. M. Davis: Significance of sterility in 

 Oenothera. — G. F. Atkinson: Morphology and development of 

 'Agaricus rodmani. — William Trelease: Large-fruited American 

 oaks. — M. V. Cobb: Relationships of the white oaks of Eastern 

 North America. — L. H. Bailey: Present need in systematic botany. 

 — M. T. Bogert: Convenient form of receiver for fractional distil- 

 lations under diminished pressure. — /. R. Tuttle and M. T. Bogert: 

 Cymene carboxylic acids. — E. Plant and M. T. Bogert: Syringic 

 acid and its derivatives. — W. J. Gies: Relation- of ductless glands to 

 dentition and ossification. — P. B. Hawk: Gastro-intestinal studies. 

 — Charles Baskerville: Rate of evaporation of ether from oils and 

 its application in oil-ether colonic anesthesia. — A. J. Smith: Oral 

 endamebiosis. — /. T. W. Marshall: New form of nephelometer. — W. 

 M. Davis: New evidence for Darwin's theory of coral reefs. — 

 Stewart Paton: Certain factors eonditioning nervous responses. 



Philadelphia, Pa. 



427 



