Subscribers are invited to viake liberal use of this cohimn. Notices over three lines are 

 liable to be shortened if necessary. All insei-tions free to subscribers. 



I have a number of A . Promeatheq cocoons I would like to exchange for any 

 variety excepting Cecropia polyphe^niis. R. W. Rennie. 171 Dundas St., London. Ont. 

 CoLEOPTERA OF NoRTH AMERICA AND MEXICO Wanted by purchase or ex- 

 change (large collection). Fred. C. Bowditch, Tappan St., Brookline, Norfolk Co., 

 Mass., U. S. A. 



External Animal Parasites. — Liberal exchanges during commg season in 

 Colorado insects, for Mallophaga, Pediculi and Fleas, especially the latter. Corre- 

 spondence solicited. C. F. Baker, Fort Collins, Col. 



Have a lot of fine healthy cocoons of Cecropia which I should like to exchange for 

 almost any other variety of North American Lepidoptera. James Tough, 236 South 

 Water Street, Chicago, 111. 



Coleoptera and Lepidoptera of Europe, Algeria, West Africa, Madagascar, 

 India, etc., in exchange for N. American Coseoptera, mounted, or in sawdust or 

 paper. L. Rossignol, 6 Rue Claude Vellefaux, Paris, France. 



CoLiAS Behrii.- — Next June I expect to collect specimens of this butterfly for 

 sale or exchange. John B. Lembert, Yosemite Valley, Cal. 



Coleoptera. — I have about 1,500 species in duplicate and solicit exchanges, 

 especially inChrysomelidre. Charles W. Lang, P. O. Box 3565, New York. 



Therina Fervidaria. — The undersigned will be very grateful to any entomolo- 

 gist who will send him eggs of the above-named Geometer. Having bred Ellopia 

 sotnniaria, Hulst, through all its stages I am anxious to compare the two forms. J. 

 Fletcher, Central Experimental Farm, Ottawa. 



Wanted to Purchase or Exchange— Good fresh specimens of Canadian 

 Diurnal Lepidoptera, especially from west and north. H. J. Elwes, Preston, Ciren- 

 cester, Eng. 



Hemiptera Wanted. — Exchanges in Hemiptera desired, especially in Homoptera, 

 either named or unnamed. Correspondence solicited. E. P. Van Duzee, Grosvenor 

 Library, Buftalo, N. Y. 



Membracid^ Wanted. — I wish to purchase perfect specimens (unmounted pre- 

 ferred) of Membracids not in my collection ; also, any works on the family that I do 

 not possess. F. W. Coding, M. D., Rutland, 111. 



Coleoptera. — I have a good supply of Canadian Coleoptera, especially Ceramby- 

 cidse, which I wish to exchange for species not in my collection, either American or 

 Exotic. A. H. KiLMAN, Ridgeway, Ont. 



Canadian Hymenoptera Wanted — Named or unnamed, for examination or in 

 exchange. Correspondence desired with collectors in the Eastern and Western Provinces. 

 W. Hague Harrington, Post Office Department, Ottawa. 



Spiders. — I wish to obtain American Spiders, ana will exchange or name and 

 return duplicate species. Nathan Banks, Sea Cliffy, Queen's Co., N. Y. 



Cynipid.^-: Wanted. — Named or unnamed Cynipidse wanted by purchase or ex- 

 change. Always accompany the flies with their galls when possible. C. P. Gillette, 

 Fort Collins, Colorado. 



Lepidoptera of Montana exchanged for other desirable species. Chas. A. 

 Wiley, Miles City, Mont. 



Diptera. — I wish to exchange for Diptera from all parts of North America. 

 Will collect any order or group of insects in this locality. J. M. Aldrich, Agricultural 

 College, Brookings, S.D. 



Lepidoptera. — I wish to buy or exchange, live cocoons and pupae of Platysamia 

 ceanothi, P. gloveri, atheroma regalis, and other species ; also, larvse of Apatura 

 celtis, if not too late. Alfred Wailly, Tudor Villa, Norbiton, England. 



A few live cocoons of the very rare Samia Columbia, Sm., in exchange for other 

 rare species; eggs or cocoons preferred. Also set specimens of N. A. Lepidoptera. 

 List exchanged. Emily L. Morton, Newburgh, N. Y., New Windsor Delivery. 



Coleoptera. — Exotic and European Coleoptera all named, for Cic. dorsalis 

 C. cimaromc, C. hirticolhs, or any species of Cic. from the Southern United States. 

 Address, R. J. Weith, Elkhart, Ind. 



TACHiNiDyE WANTED. — Named or unnamed Tachinidae wanted in exchange from 

 all parts of North America ; also Dexiidse. C. H. Tyler Townsend, Las Cruces^ 

 New Mexico. 



