To subscribers only, the Entomological Society will sell a few of each 

 of the following volumes at 75c. each. Of some of these there are only a 

 few to spare, and as soon as the surplus is reduced the price will be raised : 

 Canadiaii Entomologist, volumes 3 to 21 inclusive. The following reports 

 will be sold to subscribers only at 25c each until surplus is exhausted : 

 1874, 1880, 1882, 1883, 1884, 1885, 1886, 1887, 1,888, 1889. 



LABELS FOR COLEOPTERA — In order to benefit subscribers the 

 Entomological Society will sell the list of labels for Coleoptera, noticed on last 

 page of cover, for 25c. per set. 



t: :5C C H ^IV G^E . 



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

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



Coleoptera — I have about i,SOO species in duplicate and solicit exchanges, 

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



Lepidoptera. — I wish to exchange Lepidoptera of Wayne Co., Pa., for those of 

 the Western and Southern States. J. F. Crandall, Honesdale, Pa 



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, Buffalo, 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- 

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

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



Sphingid/K, Etc. — Would like to obtain eggs, larvae or pups of Sphingid?e, also 

 of Cetrocampa regalis and Dryocampa imperialis in exchange. HERMANN AlCH, 96 

 Spring St., New York. 



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, and will exchange or name and 

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



Cynipid^, Wanted. — Named or unnamed Cynipidae wanted by purchase or ex- 

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

 Ames, Iowa. 



Eggs and Larv^ of Bombyces Wanted. — Will purchase or exchange for eggs 

 or larvce of any species of Gastropacha, Sphinoicampa, Coloradia. Eulettcophceus, 

 Gluphisia, Heteropacha Nileyana, Salurnia galbina, Seirodonta bilineaia, Nerice 

 bidentata and Parorgyia achatina. Send in tin box. A. S. Packard, Providence, R. I. 



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

 Wiley, Miles City, Mont. 



I offer Paphia troglodita, Apatura celtis, Colias ccesonia and other Mississippi Valley 

 Diurnats, as well as Sphim^es and Bombycids, for species of Lepidoptera, which I do not 

 have. Exchange eggs, larvae, pupae, or imagoes. R. R. Rowley, Curryville, Mo. 



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, Citheronia regalis, and other species ; also, larvae of Apatura 

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



