90 ENTOMOLOGICAL NEWS. [Feb., '08 



THE ENTOMOLOGICAL SOCIETY OF AMERICA. 



The third meeting of the Entomological Society of America 

 was held at the University of Chicago, December 30 and 31, 

 1907, in affiliation with the American Association for the 

 Advancement of Science, and other societies. About one 

 hundred were in attendance, coming from as widely remote 

 localities as Maine and California, Ottawa and Louisiana. 



On Monday sessions were held for the reading of papers, 

 the program of which follows : 



Notes on the Geographical Affinities of the Isle Royale, Lake Su- 

 perior. (An outline of the relations of the Isle Royale fauna (beetle 

 fauna) to that of Northern North America. General remarks on the 

 major faunal centers based on beetles). CHARLES C. ADAMS. 



Some problems in Nomenclature. (A brief discussion of the valid- 

 ity of names, particularly those bestowed on insect galls and larvse.) 

 DR. E. P. FELT. 



Stereoscopic Photography Applied to Entomological Subjects. (Ex- 

 hibition of excellent stereoscopic effects brought about by an ingenious 

 but simple apparatus.) PROFESSOR F. L. WASHBURN. 



Life History and Habits of the Dimorph of Cliaitophorus negundinis 

 Thos. (Previous knowledge of the dimorph. Comparison with a 

 similar dimorph in Europe. Life -history; appearances in summer. 

 Part played in the survival of species, etc.) JOHN J. DAVIS. 



Is Mutation a Factor in the Production of Vestigial Wings Among 

 Insects? (A summary of some observations among insects belonging 

 to various groups, where the evolution of wingless or subapterous 

 species can be traced within a genus or small group.) CHARLES T. 

 BRUES. 



The Sense of Sight in Spiders. DR. ALEXANDER PETRUNKEVITCH. 



External Wing-Buds in Larvae of Holometabolous Insects. (A dis- 

 cussion of the general subject and recorded instances; and a report 

 of an unrecorded instance.) DR. WILLIAM A. RILEY. 



Notes on the Nervous System of the Corydalis Larvse. A. G. 

 HAMMAR. 



Notes on a Chalcid Infesting Apple Seeds. C. R. CROSBY. 



The Mouth Parts and Phylogeny of Siricidae. J. CHESTER BRADLEY. 



On Certain Structural Characters of the Genus Catocala. W. BEUT- 



ENMULLER. 



Is Vespa bor calls an Inquiline? (An account of finding males and 



