1920] Exchange Column 



EXCHANGE COLUMN. 



Notices not to exceed four lines in length concerning exchanges desired of speci- 

 mens or entomological literature will be inserted free for subscribers, to be run as 

 long as may be deemed adN-isable by the editors. 



Cynipidae, — galls or the bred makers, — of the world desired for exchange or pur- 

 chase. Will determine North American material. Address: Alfred C. Kinsey, 

 Bussey Institution, Forest Hills, Mass. 



Wanted: Insects of any order from ant nests, with specimens of the host ants, 

 from any part of the world; also Cremastochilinse of the world. Will give cash or 

 Coleoptera, HjTnenoptera and Diptera from the United States. — Wm. M. Mann, 

 U. S. National Museiun, Washington, D. C. 



Wanted: To exchange, or purchase for cash, specimens of the Genus Apantesis 

 from any locality. Also to purchase rare Catocalse. — Samuel E. Cassino, Salem, 

 Mass. 



Wanted for cash: Lowest representatives of all families of insects, p^ese^^-ed in 

 fluid. — G. C. Crampton, Amherst, Mass. 



Wanted: S%Tphid8e (Flower-flies) from all parts of the world. Exchanges 

 solicited. Will determine on the usual conditions. — C. L. MetcaH, Ohio State 

 University, Columbus, Ohio. 



Largest Expanse — one each cT and 9 Lepidoptera wanted for transfer purposes. 

 Those not good enough for collections will do. Will buy, or exchange for local 

 Lepidoptera, etc. — C. V. Blackburn, li Pine St., Stoneham, Mass. 



Butterflies of Japan and Formosa, will be exchanged by S. Satake, 48 Aoyama- 

 minamimachi o-chome, Tokyo, Japan. 



For Sale: Psj'che, complete set, 840. Volimies 3 to iO, newly bound in 11 

 voliunes, red half calf, with black cloth sides; also Ann. Ent. Soc. Amer., com- 

 plete, S12. Volumes 1 to 6, newly bound in black half calf, cloth sides. — A. C. 

 Hansen, 9-15 Margate Ter., Chicago. 



For sale, or exchange for entomological items not in my library — American 

 Entomologist, complete; Dyar, List of N. A. Lepidoptera; Redi, Experimenta, 

 circa Generationem Insectorum, 1686; many others. — J. E. Hallinen. Cooperton, 

 Okla. 



Wanted: To examine, determine and exchange Cicadellidae or "Jassidae" 

 from all parts of North America. — J. G. Sanders and D. M. DeLong, State 

 Capitol, Harrisburg, Pa. 



Cochineal Insects: Wish to obtain li\nng specimens of cochineal scales. Will 

 purchase or exchange as may be desired. — C. T. Brues, Bussey InstitutioD, 

 Boston 30, Mass. 



