Subscribers are invited to make liberal use of this column. Notices over three lines are 

 liable to be shortened if necessary. All insertiotis free to subscribers. 



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

 Wiley, Miles City, Mont. 



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

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



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

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



Myriapoda. — N. A. Myriapods wanted in exchange for insects of any order in this 

 locality. Correspondence solicited. Howard Evarts Weed, Agricultural College, Miss. 



Tachinid.^ Wanted. — Named or unnamed Tachinidre wanted in exchange from 

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

 New Mexico. 



Wanted to Purchase or Exchange — Good fresh specimens of Canadian 

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

 cester, Eng. 



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. 



Cynipid^. Wanted. — Named or unnamed Cynipid?e wanted by purchase or ex- 

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

 Fort Collins, Colorado. 



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. 



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

 C. cimaromr, C. hirticollts, or any species of Cic. from the Southern L^nited States. 

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



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

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

 Exotic. A. H. Kilman, Ridgeway, Ont. 



Lepidoptera — Wanted to purchase good specimens of North American Lepi- 

 doptera in quantities, named or unnamed. Liberal prices paid collectors. Dr. Chas. 

 S. McKnight, Saratoga Springs, New York. 



BOMBYCID.^ of North America wanted by purchase or exchange. Will name 

 insects of this family for privilege of retaining desired forms. Harrison G. Dyar, 

 care of J. C. Hannum, 599 Broadway, New York City. 



External Animal Parasites. — Liberal exchanges during coming season in 

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

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



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. 



M. Paul Noel, Directeur du Laboratoire Regional d'Entomologie Agricole, 

 Route de Neufchatel 41, Rouen, France, desires to purchase or exchange exotic insects 

 of all orders. He offers in exchange the corresponding orders from France and Algeirs. 



Phryganid^: Wanted. — Will exchange choice Coleoptera and Lepidoptera from 

 Kansas, Colorado and New Mexico (Prof. F. H. Snow's collecting) for Caddise-flies, 

 U. S. or exotic. Yernon L. Kellogg, University of Kansas, Lawrence, Kansas. 



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 

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

 Fletcher, Central Experimental Farm, Ottawa. 



Duplicates. — A large number of correctly named and well-set British Coleoptera, 

 also British Lepidoptera (unset). Desiderata.^ — Correctly named types of American 

 and Canadian Coleoptera and Diurni. Arthur Ford, Claremont House, Upper 

 Tower Road, St. Leonard's-on-Sea, Sussex, England. 



