EXCHANGKS. 



This column is intended only for -ivants and exchanges, not for 

 advertisements of goods for sale. Notices not exceed- 

 ing three lines free to subscribers. 



<®" These notices are continued as long as our limited space will allow; the new 

 ones are added at the end of the column, and only when necessary those at the top 

 (being longest in) are discontinued. 



Wanted — Hesperiidae from all parts of North America. Will 

 pay cash or exchange Iowa insects. A. W. Lindsey, 112 E. Bloom- 

 ington St., Iowa City, la. 



For Exchange — Duplicate Rhopalocera from Japan and Formosa; 

 Desiderata : butterflies of the world. S. Satake, No. 48 Aoyama- 

 minamimachi 5-chome, Akasakaku, Tokyo, Japan. 



Any Group or order of insects collected this summer for Bupre- 

 stidae and Longicorns froin N. A. or for exotic Buprestidae. De- 

 sire to get in touch with interested parties. Alan Nicolay, 416a 

 Grand Avenue, Brooklyn, N. Y. 



WANTED — -Papers published since 1894 and containing refer- 

 ences to American Coleoptera, by Bernhauer, Grouvelle, Lesne, 

 Leveille, Lewis, Pic, Otto Schwarz, Wasmann or other foreign 

 authors. Will pay cash or give in exchange papers by American 

 authors that I have in duplicate.— C. W. Leng, 33 Murray St., 

 New York City. 



THE L- E RI D O RX E R I ST 



Official Bulletin of the Boston Entomological Club. Published twice 

 monthly. Devoted exclusively to Lepidoptera. Subscription, 75 cents 

 per year in advance in the United States and Canada. Foreign postage 

 extra. Sample on request. 



Rudolph C. B. Bartsch, Editor, 46 Guernsey St., Roslindale, Mass., U. S. A. 



RECENT ENTOMOLOGICAL LITERATURE FOR SALE 



The American Entomological Society, 1900 Race St., Phila., Pa., U. S. A. 



Check title desired and send this notice with remittance. A 

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MAY 1, 1917. 

 DIPTERA. 



2047. — Dietz (W. G.). — Key to the North American species of 

 the tricolor group of the dipterous genus Tipula [4 n. 

 sps.]. (Ent. News, 28, 145-51, 1 pi, '17) 12 



LEPIDOPTERA. 



2049. — Buchholz (O.). — A new species of Acronycta (Ent. 



News, 28, 183, '17) 05 



ORTHOPTERA. 

 761. — Rehn (J. A. G.). — The Stanford Expedition to Brazil, 



1911. Orthoptera II. (43, 89-154, 2 pis., '17) 1.00 



2048. — On Coelophyllum simplex and certain of its allies 



(Tettigoniidae.) (Ent. News, 28, 152-161, 1 pi., '17) . . .14 



