EXCHANGES. 



[Entomologists are invited to make free use of this page for the purpose of bringing 

 their duplicates and desiderata before the insect-collecting world. Cards of four lines, 

 with four changes per year, will be allowed without charge. Beyond that, insertions will 

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O 



North American botanical specimens offered in exchange for butterflies 

 and moths I. C. Martindale, Camden, N. J. 



The LEPIDOPTERA of the world offered in exchange for North American 

 MACROLEPIDOPTERA. Henry Skinner, 716 North 2oth St., I'hilada., Pa. 



LEPIDOPTERA. Cocoons of hybrids, ex Ccaiiothi et Cccropia ; also 

 Gloveri et Cecropia, besides set specimens of N. Am. species. Lists ex- 

 changed. Emily L. Morton, Newburgh, N. Y. New Windsor Delivery. 



HEMIPTERA desired in exchange, especially in HOMOPTERA, either 

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

 venor Library, New York. 



A limited number of Neo/iympha IMitchellii French, n. sp. , for exchange. 

 Send lists to Irving N. Mitchell, Fond clu Lac, Wisconsin. 



PAMPHILA AND CAT< >CALA. Good value in cash or exchange for perfect 

 specimens. Philip Laurent, 1306 Chestnut St., Philadelphia, Pa. 



Dragonflies (Cdonafa] wanted from all parts of the world. State what 

 is desired in return. Ph. P. Calvert, Entom. Section, Acad. Nat. Sci. , 

 igth and Race Sts., Philadelphia, Pa. 



The undersigned would be pleased to hear from any one interested in 

 the collection and study of Coleoptera of N. Am., either to correspond or 

 exchange specimens. Will collect all orders in this vicinity and exchange 

 lor Coleoptera of other localities. Chas. Liebeck, Ent. Sec. A. N. S., Phila. 



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

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



MEMBRACIDJE : I wish to purchase, by exchange of other orders or 

 otherwise, MeinbracidiC of the world. Articles on Homoptera desired. 

 Dr. F. W. Goding, Rutland, 111. 



MACROLEPIDOPTERA wanted from all parts of the United States. Insects 

 of any order, or other objects of natural history, collected in exchange. 

 State what is wanted. List of Lepidoptera, that can be furnished next 

 season, sent on application. C. S. Westcott, Ent. Sec. A. N. S. Phila., Pa. 



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. 



COLEOPTKKA and OKTHOPTKRA and Chrysalids from New York and N. 

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

 alids of N. America. H. Meeske, 1542 Gates Ave., lirooklyn, X N'. 



I desire to buy Macro-Lepicloptera from the North and West of the ( '. S , 

 from S. America, Africa and Australia, at liberal rates. I!. Neiimoegen, 

 P. ( ). Box 2581, New York City. 



LEPIDOPTERA. Rev. W. f. 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 Lepidoptcra de- 

 sired, especially Lyca.-nida_> and Hesperida'. 



AMERICAN LKPIIH>PTKKA. Any but the most common Khopalocera, 

 Sphinges, P.ombycids and Catocalas desired in exchange for European 

 and exotic species. Lists exchanged. Edward T. < hveii, Madison, Wis. 



Coi.Koi'TKKA ol'Neu 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. 



