January 17, 1913] 



SCIENCE 



115 



into the Biological Impoi'tance of the Properties 

 of Matter." 



These papers will appear in the American Nat- 

 urali-st. 



The afternoon session Tvas for the reading of 

 papers on Genetics, the program being as follows: 



R. M. Strong (University of Chicago): "Sex- 

 linked and Sex-limited Inheritance. ' ' Bead by 

 title. 



L. J. Cole (University of Wisconsin): "The 

 Eeversionary Blue Pigeon. ' ' 



B. M. Davis (University of Pennsylvania) : 

 "The Behavior of Hybrids of (Eiiotliera biennis 

 and of (E. grandifloris in the Second and Third 

 Generations. ' ' 



George H. ShuU (Carnegie Institution of Wash- 

 ington) : (1) "Duplicate Genes for Bursa bursa- 

 pastoralis." (2) "A Sex-limited Character in 

 Plants. ' ' 



E. A. Emerson (University of Nebraska) : "The 

 Inheritance of a Eecurring Somatic Variation in 

 Variegated Ears of Maize. ' ' 



C. M. Child (University of Chicago): "The 

 Fundamental Eeaction System and its Significance 

 in Inheritance." Bead by title. 



A. P. Shull (University of Michigan): "In- 

 heritance of Egg Characters and the Sex-ratio in 

 Hydatina senta. ' ' 



J. A. Detlefsen (University of Illinois) (intro- 

 duced by W. E. Castle): "Studies of a Cross 

 between Cavia rufescens and the Guinea-pig." 



K. Foot and E. C. Strobell (New York City) : 

 ' ' Results of Crossing Two Hemipterous Species 

 with Reference to the Inheritance of an Exclu- 

 sively Male Character, and its Bearing on Modern 

 Chromosome Theories. ' ' 



H. K. Hayes (Connecticut Agricultural Experi- 

 ment Station): "The Inheritance of Certain 

 Quantitative Characters in Tobacco. ' ' 



The annual dinner of the society was held on 

 the evening of January 2, at the Colonial Hotel, 

 one hundred and twenty-four being present. The 

 president's address by Professor E. G. Conklin, on 

 ' ' Heredity and Eesponsibility, ' ' was published in 

 Science for January 10. 



The following new members were elected: Helen 

 D. King, Wistar Institute; Lewis E. Cary, Prince- 

 ton University; E. Newton Harvey, Princeton 

 University; Ethel M. Browne, Princeton Univer- 

 sity; Ante Eiehards, University of Texas; Otto 

 F. Kampmeier, University of Pittsburgh; C. G. 

 Crampton, Massachusetts Agricultural College, 

 Amherst, Mass.; H. F. Roberts, Manhattan, Kan- 



sas; F. W. Bancroft, Rockefeller Institute; Cas- 

 well Grave, Johns Hopkins University, and H. L. 

 Wieman, University of Cincinnati. 



The following officers were elected for 1913: 



President — Eoss G. Harrison, Yale University. 



Vice-president — E. M. East, Harvard University. 



Secretary — B. M. Davis, University of Pennsyl- 

 vania. 



Treasurer — J. Arthur Harris, Station for Ex- 

 perimental Evolution, Cold Spring Harbor. 



Additional Members of the Executive Committee 

 — A. P. Mathews, University of Chicago, and A. L. 

 Treadwell, Vassar College. 



A. L. Tkeadwell, 

 Secretary for 1912 



TEE AMERICAN MATHEMATICAL SOCIETY 



The nineteenth annual meeting of the American 

 Mathematical Society was held at Cleveland, Ohio, 

 in affiliation with the American Association for 

 the Advancement of Science, on Tuesday-Thurs- 

 day, December 31-January 2. The usual winter 

 meeting of the Chicago Section was merged in this 

 annual meeting. Separate sessions of the society 

 were held on Tuesday morning, Wednesday morn- 

 ing and afternoon and Thursday morning. On 

 Tuesday afternoon there was a joint meeting of 

 the society with Sections A and B of the American 

 Association, the Astronomical and Astrophysieal 

 Society of America and the American Physical 

 Society. At this joint meeting the following 

 papers were read : 



E. B. Frost, vice-presidential address. Section A: 

 ' ' The spectroscopic determination of stellar veloci- 

 ties, considered practically. ' ' 



E. A. Millikan, vice-presideutial address. Section 

 B: "Unitary theories in physics." 



A. G. Webster: "Henri Poincar^ as a mathe- 

 matical physicist. ' ' 



E. J. Wilczynski: "Some general aspects of 

 modem geometry. ' ' 



L. A. Bauer: "Cosmieal magnetic fields." 



G. E. Hale: "Preliminary note on an attempt 

 to detect the general magnetic field of the sun." 



The attendance at the several sessions of the 

 society included sixty-two members. The chair 

 was occupied in succession by Professors E. W. 

 Davis, E. H. Moore, G. A. Bliss, and after the 

 annual election by the president-elect, Professor E. 



B. Van Vleck. The following new members were 

 elected: E. W. Chittenden, University of Illinois; 



C. S. Cox, Mulberry, Fla.; S. D. Killam, University 

 of Eochester; J. T. Eorer, Philadelphia, Pa.; E. M. 



