42 



J\S}X HE. 



[Miiy — ^Jiiiic iSSj. 



Psyche, A Journal of Entomolooy. 



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R. I'KIEDI.ANDER & SOHN. 



Carlstrasse 11, Berlin. N. W. 



EARLr STAGES OF BUTTERFLIES 

 W.iNTED. 

 The undersigned desires to obtain, by exchange 

 or otherwise, from all parts of the world, eggs, 

 caterpillars and chrysalids of Diurnal Lepidoptera. 

 Dried specimens are preferred, especially of caterpil- 

 lars which should be prepared by inflation. Corre- 

 spondence is invited with persons engaged in the 

 study of the early stages of butterflies. 



S. H. SCUDDER, 



Cambridge, Mass. 



COCCIDAE WANTED. 

 The undersigned is desirous of obtaining, by ex- 

 change or otherwise, specimens of as many species of 

 the COCCIDAE as possible, for the purpose of making 

 a study of the North American forms. Those found 

 infesting cultivated plants especially desired. Living 

 specimens preferred when they can be obtained. 

 J. Henry CoMstock, 

 Department of Entomology, 



The Cornell University, 



Ithaca.N. V. 



GALLS AND GALL INSECTS. 

 The undersigned desires, either by exchange or 

 otherwise. Galls from all parts of the United Stales. 

 He is especially interested in those made by Lepidop- 

 tera, Coleoptera, Homoptera and Diptera. Correspon- 

 dence in reference to Gall growths, or other vegetable 

 abnormities, is invited. Charles V. Rilky, 

 1700 Thirteenth St., N. W., 



Washington, D. C. 



TORTRICIDAE II A. V TED. 

 I am desirous of obtaining as many North .Ameri- 

 can TORTRICIDAE as possible, for the purpose of 

 studying this family. I shall be glad to name and 

 return any TORTRICIDAE forwarded to me for this 

 purpose, save such as may prove new and desirable 

 to retain for description. 



Pack carefully, and direct to 



Pkof. C. H. l-'EKNALD, Orono, Me. 



LEPIDOPTERA. 

 Living cocoons, pupae and ova of .American lepi- 

 doptera bought or exchanged for other species, by 

 Monsieur ALFRED V\ailly, ( Membre-Laureat de 

 la Socid'tt- d'.Acclimatation de France), 



Tudor Villa, Tudor Road, Norbiton, 



Kingston-on-Tliames, England. 



NORTH AMERICAN FERNS. 



Check lists of the Ferns of North America north 



of Mexico, enumerating 31 genera. 132 species and 



15 varieties, on one octavo page. Will be sent by 



mail on receipt of the price. 15 cents per dozen copies. 



S. STEimiNS. Springfield, Mass, 



