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Psyche. A Journal of Hntomolo«y. 



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E.\RLr STAGES OF BUTTERFLIES 

 WANTED. 

 The undersigned desires lo obtain, by exchange 

 or othenvisc, from all- pans 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 mth persons engaged in the 

 study of the early stages of butterflies. 



S. H. SCUDDER, 



Cambridge, Mass. 



COCCI DAE WANTED. 

 The imdersigned is desirous of obtaining, by ex- 

 change or othenvise, specimens of as many species of 

 the COCCID.^E as possible, for the purpose of making 

 a study of the North American forms. Those found 

 infesting cultivated plants especially desired. Living 

 specimens pieferred when they can be obtained. 

 J. Henry Co.mstock, 

 Department of Entomology, 



The Cornell University, 



Ithaca, .\. Y. 



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 grow tlis, or other vegetable 

 abnormities, is invited. CHARLES V. RrLEY, 

 1700 Thirteenth St., N. W., 



Washington, D. C. 



TORTRICIDAE WANTED. 

 I am desirous of obtaining as many North Ameri- 

 can TORTRICIDAE as possible, for the purpose of 

 studying this family. I shall be glad lo name and 

 return any TORTRICIDAE fonvarded lo me for this 

 purpose, save such as may prove new and desirable 

 to retain for description. 



Pack carefully, and direct to 



PROF. C. H. I'KRNAI.I), Orono. Mf. 



LEPIDOPTERA. 

 Living cocoons, pupae and ova of .-Xmerican lepi- 

 doptera bought or exchanged for other species. 1^ 

 Monsieur ALFRED VVailly, ( Membre-Lauriial d. 

 la Societe d'Accliniatation de France), 



Tudor Villa, T'udor Road, Norbilon, 



Kingslon-on-Thaines, 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. Stebbins, Springfield, Mas> 



367270 

 •9,0 



