78 ENTOMOLOGICAL NEWS. [Feb., '13 



of America, and much of the success of these meetings is due 

 to the kindly aid and supervision of the details, for which we 

 thank our local member, Mr. E. H. Edwards. 



Some time must of course elapse before the publication of 

 all the entomological papers read at Cleveland, so we have 

 thought it of interest to our readers to present here a classified 

 list of them with such indications of the addresses of the speak- 

 ers that workers in the same subjects may know to whom to 

 apply for further information. Abbreviations of the names of 

 the six societies mentioned above denote the body before which 

 each paper was read, either by title or in full. 



GENERAL SUBJECTS.— Organization for Effective Work, F. W. 

 Rane, Boston, Mass.; The Arrangement of Material in an Entomolog- 

 ical Bulletin, R. L. Webster, Ames, Iowa. (Econ. Ent.) A few ex- 

 periments in photographing living insects, F. L. Washburn, State 

 Entomologist of Minnesota ; Notes on insects of a lake beach, 

 Herbert Osborn, Ohio State University (Ent. Soc). Entomological 

 Pioneering in Arizona, A. W. Morrill, Phoenix, Ariz. (Econ. 

 Ent.). An Entomologist in Costa Rica, Annual Pubhc Address, Dr. 

 Philip P. Calvert, University of Pennsylvania. (Ent. Soc.) 



GENERAL MORPHOLOGY. — Prophar>'nx and hypophar>-nx. 

 Alex. D. MAcGiLLn'RAV, University of Illinois; Studies on the 

 mouth-parts of Rhyparobia madcriae (Blattidae) with a considera- 

 tion of the homologies existing between the appendages of the 

 Hexapoda, L. B. Walton, Kenyon College. (Ent. Soc). 



GENERAL PHYSIOLOGY.— Apparatus for Maintenance of Ther- 

 mal Climatic Conditions, S. J. Hunter, Lawrence, Kans. (Econ. Ent.). 

 Some facts regarding the influence of temperature and moisture changes 

 on the rate of insect metabolism, T. J. HeadlEE, N. J. Agr. Exp. Sta- 

 tion. (Ent. Soc). Some Results of Studies on Behavior and Star- 

 vation of Dcrmestidae, J. E. WodsedalEk. (Amer. Soc. Zool.). How 

 Contact Insecticides Kill, G. D. Sch.\fer, East Lansing, Mich.; Some 

 Experiments with Roentgen Rays upon the Cigarette Beetle. 

 Lasiodcrina serrkorne, A. C. ^Morgan and G. A. Runner, Clarksville, 

 Tenn. (Econ. Ent.) 



REPRODUCTION AND SEX DETERMINATION.— The Off- 

 spring of Certain Wing-Mutants X Normal Drosophila and Sexual 

 Dimorphism, F. E. LuTz, American Museum of Natural History. 

 (Amer. Soc. Zool.). Results of Crossing Two Hemipterous Species 

 with Reference to the Inheritance of an Exclusively Male Charac- 

 ter, and its Bearing on Modern Chromosome Theories, K. Foot and 



