172 



SCIENCE 



[N. S. Vol. XLV. No. 1155 



the research covmcil and desires to cooperate^ in its 

 work in all ways which may be found practicable. 



There were elected to membership: Edward W. 

 Berry, Johns Hopkins University; Oalvin B. 

 Bridges, Columbia University; Douglas H. Camp- 

 bell, Stanford University; E. Eleanor Carothers, 

 University of Pennsylvania; Ehoda Erdmann, 

 Eockefeller Institute; George F. Ereeman, Uni- 

 versity of Arizona; Jann Kempton, U. S. Depart- 

 ment of Agriculture; Sidney I. Kornhauser, North- 

 western University; Edwin C. MaoDowell, Car- 

 negie Station for Experimental Evolution; Charles 

 "W. Metz, Carnegie Station for Experimental Evo- 

 lution; David M. Mottier, Indiana University; 

 Hermann J. Muller, Eice Institute; W. J. V. Oster- 

 hout. Harvard University; Edith M. Patch, Maine 

 Agricultural Experunent Station; Alexander G. 

 Euthven, University of Michigan; William A. 

 SetcheU, University of California; Erwin E. Smith, 

 U. S. Department of Agriculture; Alfred H. 

 Sturtevant, Columbia University; David H. Wen- 

 rich, University of Pennsylvania. 



The program of the Friday morning session, De- 

 cember 29, was as follows: 



"Variation and Heredity in Peas," by O. E. 

 White. 



' ' Inheritance of Color Coats in Cats, " by P. W. 

 Whituig. 



" Triple-aUelomorpha in the Eat," by P. W. 

 Whiting. 



' ' Hybrids of Zea tunicata and Zea ramosa, ' ' by 

 G. N. Collins. 



"The Axial Eotation of Microorganisms and its 

 Significance in Connection vrith the Present Theo- 

 ries of Evolution," by L. B. Walton. 



"Deficiencies in the Genetic Materials of the 

 Chromosomes of DrosopMla," by C. B. BridgelS. 



"The Principle of Regional Inheritance as Ex- 

 emplified in the Composite, " by E. C. Jeffrey. 



"The Genetic Behavior of (Enothera cleist- 

 antha." (Bead by title.) By George H. ShuU. 



' ' Further Considerations of the Records of Alco- 

 holic Guinea-pig Stock," by C. E. Stockard. 



"Application of the Laws of Action, Eeaction 

 and Interaction in Life Evolution," by H. F. Os- 

 born. 



"The Influence of Castration on Hen Feathered 

 Cocks of the Pi, Fi and F„ Generations, " by T. H. 

 Morgan. 



"A Contribution to the Theory of Sex-determi- 

 nation, " by E. B. Goldschmidt. 



The session of Friday afternoon consisted of a 

 symposium on the subject "Biology and National 

 Existence. ' ' 



' ' Biology and Preparedness, ' ' by Stewart Paton. 

 "Biology and the Nation's Food," by W. J. 

 Spillman. 



"Biology and Internationalism." (Eead by 

 title.) By V. L. KeUogg. 



"Biology and War," by Jacques Loeb. 

 ' ' Biology and Citizenship, " by E. G. Conklin. 

 The Naturalists' dinner was held on the evening 

 of December 29, at the Hotel Manhattan, with one 

 hundred and five in attendance. The president's 

 address by Dr. Eaymond Pearl entitled "The Se- 

 lection Problem," is published in The American 

 Naturalist for February. 



On Saturday, December 30, members of the Nat- 

 uralists were most enjoyably entertained at Cold 

 Spring Harbor by the staff of the Carnegie Sta- 

 tion for Experimental Evolution. A morning pro- 

 gram was held in Blackford HaU with the follow- 

 ing papers: 



' ' Parthenogenesis and Sex in Anthrothrips, ' ' by 

 A. Franklin Shull. 



"A Classification of Color Factors in Mam- 

 mals," by SewaU Wright. 



"Evidence of Multiple Factors and Segrega- 

 tion in Mice and Eats, " by C. C. Little. 



"A New Series of Multiple Allelomorphs in 

 Maize," by E. A. Emerson. 



" On a Back Cross Involving Three AUelomorphie 

 Pairs in Mice, " by J. A. Detlef sen. 



' ' Congenital Variations in Guinea-pigs and their 

 Bearing on Certain Genetical Problems," by L. J. 

 Cole and H. L. Ibsen. 



After luncheon opportunity was given to inspect 

 the equipment of the station and of the Eugenics 

 Record Office, the activities of which were ex- 

 plained by the members of the staff in their sev- 

 eral fields of interest. 



The officers of the society for 1917 are: 

 President — George H. ShuU, Princeton Univer- 

 sity. 



Vice-president — Leon J. Cole, University of Wis- 

 consin. 



Secretary — Bradley M. Davis, University of 

 Pennsylvania (1917-19). 



Treasurer — J. Arthur Harris, Carnegie Station 

 for Experimental Evolution (1915-17). 



Additional Members of the Executive Committee 



^David H. Tennent, Bryn Mawr College (1917) ; 



Henry V. Wilson, University of North Carolina 

 (1915-17) ; Frank E. Lillie, University of Chicago 

 (1916-18) ; Raymond Pearl, Maine Agricultural 

 Experiment Station (1917-19). 



Bradley M. Davis, 

 Secretary for 1916 



