rsrcjiE. 



[Murc'.i— April iSSj. 



Psyche, A Journal of Entomology. 



RA TES OF SUBSCRIPTION. E TC. 



TAYADI-E IN ADVANCE. 



^^•Subscriptions not discontinued are considered 

 renewed. 



^Sg- Commencing with the numero for January 

 1883 the rate of subscription is as follows: — 



Yearly subscription, cnlitHng the subscriber to 

 one regular copy and, if he desires it, one copy 

 printed on one side of thin paper (for pasting 

 the titles of the bibliographical record on title- 

 slips), postpaid . S2- 



Subscription to volume 4 (1883-1885), as above, 



postpaid, $5" 



The index will only be sent to subscribers to the 

 whole volume. 



Twenty-five extra copies, without change of 

 form, to the author of any leading article, if or- 

 dered at the time of sending copy, . . Free. 



Author's extras over twenty-five in number, 

 under above mentioned conditions, each, . 2C. 



Separates, with changes of form — actual cost of 

 such changes in addition to above rates. 



• Scientific publications desired in exchange. 



ADVERTISING RATES, ETC. 

 Terms Cash — stricily in auvance. 

 Only thoroughly respectable advertisements 

 will be allowed in Psyche and the advertising pnges 

 will be numbered consecutively with those of reading 

 matter. The editors reserve the right to reject 

 advertisements. 



Subscribers to PSYCHE can advertise insects for 

 exchange or desired for study, not for cash, free at 

 the discretion of the editors. 



Regular style of advertisements plain, at the follow- 

 ing rates : — 



Outside Inaidc 



So.io S0.08 



.60 



Per line, first insertion, . 

 Eighth page, first insertion, 

 Quarter " " " . 



Half 



One . 



•75 



1.25 i.oo 



2.2s 1.7s 



4,00 3.50 



Each subsequent insertion one-half the above rates. 



Address Editors of Psyche, 



Cambridge, Mass., U.S.A. 



Subscriptions also received in Europe by 

 R. FRIEDLANDER & SOHN. 



Carlslrasse 11, Berlin. N. W. 



EARLr 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. Corre- 

 spondence is invited with persons engaged in the 

 studv of the early stages of butterflies. 



S. H. SCUDUER, 



Cambridge, Mass. 



COCCIDAE WANTED. 

 The imdersigned 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 Universitv, 



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 Lepidop- 

 tera, Coleoptera, llomoptcra and Diptera. Correspon- 

 dence in reference to Gall growths, or other vegetable 

 abnormities, is invited. CHARLES V. RiLEY, 

 1700 Thirteenth St.. N. W., 



Washington, D. C. 



TORTRICIDAE WANTED. 

 I am desirous of obtaining as many North Ameri- 

 can TORIRICIDAE as possible, for the purpose of 

 studying this family. 1 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 



Prof. C. H. Fernald, Orono, Me. 



LEPIDOPTERA. 

 Living cocoons, pupae and ova of American lepi- 

 doptera bought or exchanged for other species, by 

 Monsieur ALFRED Waii.LV, { Mcmbre-Laur<5at de 

 la Sociit^ 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 



15 varieties, on one octavo page. Will be sent b\ 



mail on receipt of the price, 15 cents per dozen coi)ies. 



S. Stehiiins, Springfield, Mass. 



