386 
PSTCHS. 
PSYCHE, Organ of the Cambridge Entomological Club. 
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Address EDITORS OF PSYCHE, 
Cambridge, Mass., U.S.A. 
Subscriptions also received in Europe by 
R. FRIEDLANDER & SOHN, 
Carlstrasse 11, Berlin, N. W. 
EARLY STAGES OF BUTTERFLIES 
WANTED. 
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. Corres- 
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. Y. 
GALLS AND GALL INSECTS. 
The undersigned desires, either by exchange or 
otherwise, Galls from all parts of the United States 
He is especially interested in those made by Lepzdop- 
era, Coleoptera, Homoptera and Diptera. Corre spon- 
dence in reference to Gall growths, or other vegetable 
abnormities, is invited. CHARLES V. RILEY, 
1700 Thirteenth St., N. W., 
Washiagton, 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 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 
Pror. C. H. FERNALD, Orono, Me. 
LEPIDOPTERA. 
Living cocoons, pupae and ova of American lepi- 
doptera bought or exchanged for other species. by 
Monsieur ALFRED WAILLY, (Membre-Lauréat de 
la Société d’Acclimatation de France), 
Tudor Villa, Tudor Road, Norbiton, 
Kingston-on-Thames, England. 
NORTH AMERICAN FERNS. 
Check lists of the Ferns of North America north 
of Mexico, enumerating 31 genera, 132 species and 
I5 varieties, on one octavo page. Will be sent by 
mail on receipt of the price, 15 cents per dozen copies. 
S. STEBBINS, Springfield, Mass. 
