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 : 

 Canadiau 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, 1888, 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. 



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

 liable to be sho7'tened if necessary. All insertions free to subscribers. 



Lepidoptera. — I would like to exchange Lepidoptera of Central Missouri for 

 those of other localities — the south and west preferred. Oliver J. Staley, Marshall, 

 Saline Co., Missouri, U. S. A. 



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

 -especially in ChrysomelidLTe. 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 (unm'ounted 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. U. Kilman, Ridgeway, Ont. 



Sphingid^, Etc. — Would like to obtain eggs, larvae or pupse of Sphingidre, also 

 of Cetrocampa regalis and Dryocampa imperialis in exchange. Hermann Aich, 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, 40 Henstis-St., Ithaca, N. Y. 



CYNiPiDyii; Wanted. — Named or unnamed Cynipida; 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 larvse of any species of Gastropacha, Sphingicampa, Coloradia, Euleucophaus, 

 Gluphisia, Heteropacha Rileyana, Saturnia galbina, Seirodonta bilineata, 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 casonia and other Mississippi Valley 

 Diurnals, as well as Sphinges and Botnbycids, for species of Lepidoptera, which I do not 

 have. Exchange eggs, larvse, pupse, or imagoes. R. R. Rowley, Curryville, Mo. 



