R. FRIEDLANDER & SOHN, 



Carlstrasse 11, BERLIN. 



OUR ENTOMOLOGICAL CATALOGUES: 

 I. Coleoptera, 58 pages. 

 II. Lepidoptera, 34 pages. 

 III. Hymenoptera, Diptera, Orthoptera, etc., 44 pages. 



Gratis and Postfree on application. 



Entomologische Nachrichten. Entomological journal devoted to all parts 

 of entomological science. Published fortnightly. With figures. 



Price of subscription $2.00. Specimen numbers gratis. 



EXCHANGES. 



HEMIPTERA desired in exchange, especially in HOMOPTERA, either 

 named or unnamed. Correspondence solicited. E. P. Van Duzee, Gros- 

 venor Library, Buffalo, New York. 



Wanted, Cocoons and Crysalids of N. A. Macrolepidoptera. Will ex- 

 change exotic species for same. L. W. Mengel, 620 Penn St., Reading, Pa. 



COLEOPTERA and LEPIDOPTERA and Chrysalids from New York and N. 

 Mexico, collected 1889, in exchange for Coleoptera, Lepidoptera and chrys- 

 alids of N. America. H. Meeske, 1542 Gates Ave., Brooklyn, N. Y. 



I desire to buy Macro-Lepidoptera from the North and West of the U. S , 

 from S. America, Africa and Australia, at liberal rates. B. Neumoegen, 

 P. O. Box 2581, New York City. 



COLEOPTERA of New York in exchange for any North American species 

 not in my collection. Correspondents in the South and West especially 

 desired. John D. Sherman, Jr., 953 Paulding Street, Peekskill, N. Y. 



WANTED. Entomological books, periodicals, papers, reports and clip- 

 pings. Will exchange for them original drawings or paintings of insects. 

 Alda M. Sharp, Gladbrook, Iowa. 



WANTED. Macrolepidoptera of North America. Will exchange or 

 purchase. C. S. McKnight, Saratoga Springs, N. Y. 



LKIMDOPTP:RA of Montana exchanged for other desirable epecies. Chas. 

 A. Wiley, Miles City, Mont. 



COLEOPTERA. I wish to exchange C. speciosns and 5". ra/carata for 

 other perfect specimens of Cerambycicke. Send list of duplicates to 

 Christ. Hauschildt, care of Cosack & Co., Buffalo, N. Y, 



Dr. FRANZ SPAETH, I Kohlmessergasse 3, Vienna, Austria, desires to 

 exchange European and Syrian Coleoptera for American, especially Cer- 

 ambycidae and Chrysomelicke. Oblata from Henshaw. 



WANTED for cash or exchange, determined or undetermined, Melan- 

 clryidce and Oedemerida;. Joe. C. Thompson, Box 73, Rosebank P. O., 

 S. I., N. Y. 



WANTED. Six pairs of Ar^ynnix Diana, fine; also Exotic Butterflies. 

 Exchange: Java Butterflies, Ornithoptcra Crvil/iana, one pair, second 

 quality; Darjeeling Butterflies, Onrithop. Cncstis expected shortly, and 

 others from Baljan. Duplicate list of exotic species wanted. W. Dannatt, 

 Westcombe Park, London, S. E. England. 



WANTED. Entomological books, periodicals, etc., in exchange for 

 Japanese insects. H. Looinis, Yokohama, Japan. 



COLEOPTERA in exchange for specimens not in my collection; also for 

 entomological books, papers, etc. Correspondents desired in the South 

 and West. Lee 1!. Walton, |r., Bear Lake. W.invn County. Pa. 



P. C STOCKHAUSEN, ENTOMOLOGICAL PRINTER, 55 N. 7TH ST . PHIL*., PA. 



