442 



SCIENCE 



[N. S. Vol. XXXIX. No. 1003 



"Life-history Notes on Psephenus lecontei and 

 Jlydroporus septentrionalis," by Eobert Matheson. 

 (Bead by title.) 



' ' The Sequence of Color Changes During 

 Ontogeny in Cicindela," by V. E. Shelf ord. 



' ' Notes on the External Anatomy of Some 

 Peutatomidae, " by E. W. Leiby. 



' ' The Biology of Gelechia gallcesolidaginis with 

 Some Reference to Some of Its Parasites, ' ' by L. 

 S. Barber. 



' ' A Little Known Wire-worm, Horistonotus 

 uhleri," by A. F. Conradi. 



' ' The Life-history of a Species of Psycho- 

 didse, " by Leonard Hazeman. (Read by title.) 



' ' The Structure of the Thorax in Generalized 

 Insects," by A. D. MacGillivray. 



' ' Behavior of Anopheles tarsimaculata Goldi, ' ' 

 by James Zetek. (Eead by title.) 



' ' Life-history of Elophila magnificalis, an 

 Aquatic Lepidopteron, " by J. T. Lloyd. (E«ad 

 by title.) 



The following officers were elected for 1914: 



President — Dr. Philip P. Calvert, University of 

 Pennsylvania. 



First Vice-president — Dr. James G. Needham, 

 Cornell University. 



Second Vice-president — Dr. C. Gordon Hewitt, 

 Dominion Entomologist. 



Secretary-treasurer — Dr. Alex. D. MacGillivray, 

 University of Illinois. 



Additional Members of the Executive Com- 

 mittee — Professor Herbert Osborn, Ohio State Uni- 

 versity; Dr. W. M. Wheeler, Harvard University; 

 Professor Vernon L. Kellogg, Leland Stanford 

 Junior University; Mr. Nathan Banks, United 

 States National Museum; Dr. E. P. Felt, State 

 Entomologist of New York, and Professor J. M. 

 Aldrich, United States Bureau of Entomology. 



Member of Committee on Nomenclature — Pro- 

 fessor T. D. A. Cockerell, University of Colorado. 



The next meeting will be held in Philadelphia, 

 Pa., in affiliation with the American Association 

 for the Advancement of Science. 



Alex. D. MacGillivray, 



Secretarii 



SOCIETIES AND ACADEMIES 



THE AMEEICAN MATHEMATICAL SOCIETY 



The one hundred and sixty-eighth regular meet- 

 ing of the society was held at Columbia Univer- 

 sity on Saturday, February 28. The attendance 

 at the two sessions included forty-two members. 

 Vice-president L. P. Eisenhart occupied the chair. 



The following new members were elected: Mr. E. 

 W. Castle, Princeton University; Professor P. J. 

 Daniell, Rice Institute; Mr. L. R. Ford, Harvard 

 University; Mr. C. M. Hill, State Normal School, 

 Springfield, Mo. ; Dr. E. A. Johnson, Adelbert Col- 

 lege; Dr. L. M. Kells, Columbia University; Dr. 

 W. W. Kiistermann, Pennsylvania State College; 

 Professor J. F. Reilly, State University of Iowa; 

 Professor F. B. Williams, Clark University. Nino 

 applications for membership were received. 



An amendment of the constitution was adopted 

 by which the secretary of the Chicago Section be- 

 comes ex officio a member of the council. 



The following papers were read at this meet- 

 ing: 



H. S. Vandiver: "Note on Format's last 

 theorem. ' ' 



G. M. Green : ' ' One-parameter families of space 

 curves, and conjugate nets on a curved surface." 



G. M. Conwell: " Brachistoehrones under the ac- 

 tion of gravity and friction. ' ' 



R. D. Beetle: "A foraiula in the theory of sur- 

 faces. ' ' 



C. A. Fischer : ' ' The Legendre condition for a 

 minimum of a double integral, with an isoperi- 

 metric condition." 



A. E. Schweitzer: "A generalization of func- 

 tional equations. ' ' 



A. E. Schweitzer: "Some critical remarks on 

 analytic realism. ' ' 



E. V. Huntington : "A graphical solution of a 

 problem in geology. ' ' 



H. Galajikian : "A relation between a certai» 

 non-linear Fredholm equation and a linear equa- 

 tion of the first kind." 



Dunham Jackson: "Note on rational functions 

 of several complex variables. ' ' 



E. B. Wilson : ' ' Infinite regions in geometry. ' ' 

 H. Bateman : ' ' The structure of the aether. ' ' 



F. R. Sharpe and Virgil Snyder: "Birational 

 transformations of certain quartie surfaces. ' ' 



F. E. Sharpe and C. F. Craig: "An application 

 of Severi's theory of a basis to the Kummer and 

 Weddle surfaces. ' ' 



B. E. Mitchell: "Complex conies and their real 

 representation. ' ' 



W. H. Eoever: "Analytic derivation of formu- 

 las for the deviation of falling bodies. ' ' 



The next meetings of the society will be held 

 at Chicago, April 10-11, and at New York, April 

 25. 



F. N. Cole, 

 Secretary 



