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Psyche 6:2, 1891.

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2 PS2THJ??. [January, 1891
Psyche, A Journal of Entomology,
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SATES OF SUBSCRIPTZON, E TC.
PAYABLE IN ADVANCE.
Subscriptions not discontinued are considerec renewed.
Beginning with January, ~891, the rate oj subsmftton is as folllcnos: -
Yearly subscription, one copy, postpaid, $2.0~ Yearly subscription, clubs of three, postpaid, 5.00 Subscription to Vol. 6 (1891-18g3), postpaid, 5.00
Subscription to Vol. 6, clubs of 3, postpaid, 13.00 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 thf time of sendmg 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. Remittances, communications, exchanges, books, and pamphlets should he addressed to
EDITORS OF PSYCHE,
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AD VER TZSZNG RA TES, ETC,
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j@3'- Only thoroughly respectable advertisements will be allowed in PSYCHE. 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.
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Page. Pages.
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Subscriptions also received in Europe by R. FRIEDLANDER & SOHN,
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COLLECTION OF INSECTS FOR SALE.
Comprises 52 drawers (10 X 14 in.) butterflies taken by the undersigned in Mass. and N. H. spread, arranged, and labeled with name, locality and date-88 species (over 2000 specimens) besides many larvae and pupae ; very complete and care- fully assorted series and many very rare species; 20 drawers unlabeled miscellaneous insects (1500 species) collected in Mass. All nearly new and in first class condition. Drawers lined with cork, paper covered ; sliding glass covers. All in 3 closed cabinets.
F. H. Sprague,
Wollaston, Mass.
BIBLIOTHECA ENTOMOLOGICA.
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Catalogue of second band works on entomology, containing the library of the late W. Ehlers, Consul of the German Empire at Cartagena, Spain, and a large portion of the library of the late J. Ch. Puls. of Ghent, Belgium.
Sent postpaid on application.
FELIX L. DAMES,
Natural History Bookseller,
47 Tauben-Strasse,
Berlin, W., Germany
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The following books and pamphlets are for sale by the CAMBRIDGE ENTOMOLOGICAL CLUB :
Bulletin Brooklyn Entomological Club, Vol. I, 1878-1879, . . . . . . . $2.00
Burgess, E.
Contributions to the anatomy
of the milk-weed butterfly, Danais archippus. Boston, 1880, 16 p., 2 plates. . . . I.UO Casey, Thomas L. Contributions to the descrip- tive and systematic Coleopterology of North America. Part 1-11. . . . . 1.00
Hitchcock, Edward. Ichnology of New England. Boston, 1858 . . . . . . 1.50
Schwarz, E. A. The Coleoptera of Florida .50 Scudder, S. H. The earliest winged insects of America : a re-examination of the Devou- an insects of New Brunswick, in the light of criticisms and of new studies of other paleo- zoic types. Cambridge, 1885, 8 p., I plate .50 Weber, F. Nomenclator entornologicus.
Chilonii et Hamburgi, 1795, 171 p. . . .so SAMUEL HENSHAW, Treas.,
Cambridge, Mass.




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