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

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



MEMBRACID/T-: : I wish to purchase, by exchange of other orders or 

 otherwise, Membracidce of the world. Articles on Homoptera desired. - 

 Dr. F. W. Coding, Rutland, 111. 



I offer Coleoptera and Neuroptera, principally European, carefully de- 

 termined, in exchange for Hemiptera-Heteroptera from any region, unde- 

 termined, but correctly labeled as to locality of capture. A. L. Montandon, 

 strada viilor filarete, Bucarest, Roumania. 



COLEOPTERA and ORTHOPTERA and Chrysalids from New York and N. 

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

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



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. 



LEPIDOPTERA. Rev. W. J. Holland, D.D., Fifth Ave., Pittsburgh, Pa., 

 desires to obtain, by purchase and exchange, Lepidoptera from all parts 

 of the world. Liberal prices paid. Asiatic and African Lepidoptera de- 

 sired, especially Lyccenidae and Hesperidce. 



AMERICAN LEPIDOPTERA. Any but the most common Rhopalocera, 

 Sphinges, Bombycids and Catocalas desired in exchange for European 

 and exotic species. Lists exchanged. Edward T. Owen, Madison, Wis. 



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. 



I will be glad to exchange British Lepidoptera, set or in paper, for 

 American species, preference given to those of British genera. John E. 

 Robson, Hartlepool, England. 



Entomological Works for Sale. 



Classification of the Coleoptera of North America, by Drs. 



LeConte and Horn, 567 pp. (Smithsonian Institution) . $2.50 



List of the Coleoptera of America, North of Mexico, by 



Samuel Henshaw, 1885, 166 pp. 1.25 



First Supplement to the same, 1887, . .25 



Second Supplement to the same, 1889, .25 



Synopsis of the Halticini of Boreal America, by G. H. 



Horn.'M. D., 158 pp. 3 plates, 1889 . 1.75 



Proceedings of the Entomological Society of Philadelphia. 

 A few copies left of vols. 2-6 (vol. i out of print) per set . 30.00 



Transactions of the American Entomological Society, vol. 

 xvii, now publishing. Subscription price per volume . 4.00 



Our price lists, containing the titles of a large number of separate papers 

 on the different orders (chiefly published in the 'Proceedings" and "Trans- 

 actions"), can be had on application. Address, 



E. T. CRESSOX, Treasurer, 



P. (). Box 1577, Philadelphia, Pa. 



