Subscribers are invited to make liberal use of this column. Notices over three lines are 

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



OcHYRiA Ferrugata. — Pupa; of this geometer, for which British Lepidoptera will 

 be exchanged, are much desired by Louis B. Prout, 12 Greenwood Road, Palston, 

 London, N. E , England, 



Fleas, — From any birds or mammals. Will name for duplicates, purchase, or 

 give in exchange Hymenoptera, Hemiptera, or Coleoptera. Carl F. Baker, Fort 

 Collins, Colo. 



Wanted. — In good condition, the January, February, April and June numbers of 

 ' The American Naturalist," Vol. XXIIL, 18S9. Address. J. Alston Moffat, 

 Librarian of the Entomological Society of Ontario, London, Ont. 



S. Catalpir, Hybrids of Coluinbia-Cecropia and Ceanothi Cecropia, against S, 

 Lugens, S. Coloradus, L, Gaurcc, Smer. Cerysii, Pleretes parthenos and other varieties. 

 Dr. R. E. Kunze, 606 Third Avenue, New York City. 



Coleoptera and Lepidoptera. — Fine specimens of the large Longicorn. Dor- 

 caschema wildii to exchange, also fine specimens of the following Lepidoptera: — 

 Pamphila massasoit, zabulon cernes, panoquin, pontiac, fusca, Aarronii, manataaqua^ 

 hobomok, etc. Philip Laurent, 1306 Chestnut Street, Philadelphia, Penn. 



Diptera. — I will exchange for, or purchase, Diptera from select localities. Will 

 also name as far as I can for the privilege of retaining desiderata. DolichopodidK 

 especially desired. J. M. Aldrich, Moscow, Idaho. 



Correspondence and exchange of insects desired with young entomologists, especi- 

 ally in the Southern and Western States. Stewart N. Dunning, 43 Niles Street, 

 Hartford, Conn. 



Lepidoptera. — I have for exchange a large number of duplicates of last summer's 

 collecting. Please write for list. Also cocoons of Cecjropia and Polyphomus. James 

 Tough, 234 S. Water St., Chicago. 



Bred specimens of Actias Selene ; hybrids from Luna et Selene, Gloveri et Cecropia, 

 Ceanothi et Cecropia, and other rare moths. Cocoons of Luna, Angulifera and P. 

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



Lepidoptera. — Wanted specimens of all kinds of butterflies and moths from 

 Canada and the Rocky Mountains. Will make liberal exchanges. A. S. Van Winkle, 

 Keota, Iowa. 



Wanted. — Coleoptera and Lepidoptera from all sections. Will exchange works 

 on Entomology, Zoology, Botany, and works relating to the languages of the N. A. 

 Indian. Send for list. Wm. D. Doan, Box 377, Coatesville, Penn. 



Exotic Ichneumonid^. — Would like to exchange North American Ichneu- 

 monida; for correctly determined exotic species of the family. G. C. Davis, Agricul- 

 tural College, Ingham Co., Michigan. 



Duplicates. — A large number of correctly named and well-set British Coleoptera, 

 also British Lepidoptera (unset). Desiderata. — Correctly named types of American 

 and Canadian Coleoptera and Diurni. Arthur Ford, Glenmount, 107 Braybrooke 

 Road, Hastings, Sussex, England. 



Wanted. — Amhlychila cylindi-iformis, Lucanits \elaphus, Tetracha virginica. Will 

 give liberal exchange for them in European Lepidoptera in papers ; have also perfect 

 specimens stretched of Acherontia Atropos, Saturnia pyri, etc. Address, R. J. 

 Wei'IH, Elkhart, Ind. 



Wanted — I wish to obtain any Entomological Literature, especially that treating 

 of Coleoptera, not already in my possession. In exchange for such, in any language, I 

 offer good material from the West and far North, especially Coleoptera. H. F. 

 WiCKMAM, Iowa City, Iowa. , 



Prof. J. B. Smith, New Brunswick, N. J., is engaged in a monographic revision 

 of the Deltoid group of the Noctuidre, and desires material from all parts of the country. 

 He will name and return all material sent him, for the privilege of retaining such 

 specimens as may be needed for description or for completing the collection of the U. 

 S. National Museum. 



