Subscribers are invited to make liberal use of this colu)?in. Notices over three lines are 

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



Oethoptera Wanted. — I am especially interested in the study of the Orthoptera, 

 and wish to obtain, either by exchange or purchase, perfect specimens of these insects 

 from all parts. North American and West Indian material preferred. Persons 

 having specimens for sale or exchange will please correspond with me. Lawrence 

 Bkuner, Nebraska University, Lincoln, Neb. 



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. 



To exchange for perfect specimens of Lepidoptera not in my collection, examples 

 of Melittea McGlashani and Coenonynipha ochracea from Nevada, S. W. Denton, 

 Wellesley, Mass. 



Canadian Orthoptera Wanted. — I am preparing a Manual on this order, and 

 wish to include all Canadian forms. Should like, therefore, to exchange with any 

 collector. Jerome McNeill, MoHne, Illinois. 



A limited number of NeojiynipJia Mitchellii French, n. sp., for exchange. Send 

 lists to Irving N. Mitchell, Fond du Lac, Wisconsin. 



Membracid^ Wanted. -t-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. 



BOMBYCID^. — I am anxious to get the eggs, cocoons or young larvre of this 

 family of moths. Shall be glad to exchange with any collector. JOSEPH Bridgham, 

 Zoological Artist, East Providence Centre, Rhode Island, , 



Wanted. — Skins of Prairie, Worm-eating Warblers, Acadian Flycatcher and others. 

 Can offer Bkie and Golden-wing Warblers, Crossbills, Pine Grosbeaks, etc. W. E. 

 Saunders, London, Ont. 



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

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

 Exotic. A. H. KiLMAN, Ridge way, Ont. 



COLLECTING BOTTLES WITHOUT A NECK. 



Our 1S89' supply of these bottles, which pleased so many entomologists last year, 

 has been delayed en route for two months, but is expected about July l5tH: Send orders 

 now and they will be filled promptly on arrival. Set of five, 40c.; same with cyanide, 

 60c. Postage or express, extra ; sample, post free, loc. 



W. E. SAUNDERS & CO., London, Ont. 



TAXIDERMIST and DEALER in ENTOMOLOGICAI. SUPPLIES. 



improved ENTOMOLOGICAL FORCEPS. BROOKLYN, N.Y,. 



