Article beginning on page 410.
Psyche 3:410, 1880.

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410 PSYCHE.
PSYCHE, Organ of the Cambridge Entomologic,al Club. -
SATES OF SUBSCRIPTION, E TC.
PAYABLE IN ADVANCE.
y3S^Subscriptions not discontinued are considered renewed.
JES^"' Commencing with the numero for January 1883 the rate of subscription is as follows: - Yearly subscription, entitling 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, . . . . . . $2.
Subscription to volume 4 (1883-1889, as above, postpaid, . . . . . . . . $5.
The index will only be sen,t to subscribers to tk& whole volume.
Twenty-five extra copies, wifhout 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. JES^"' Scientific $ublications desired in exchange. -
ADVER TZSING RA TES, E TC.
TERMS CASH -STRICTLY IN ADVANCE.
p?P Only thoroughly respectable advertisements will be allowed in PSYCHE and the advertising pages 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 thefollow- ing rates : -
Outside Inside
Page. Pages.
Per line, first insertion, . . . $0.10 $0.08 Eighth page, first insertion, . . .75 .6o Quarter " " " . . . 1.21; 1.00
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Half
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One
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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,
Carlstrasse 11, Berlin, N. W.
EARLY STAGES OF BUTTERFLIES
W-AJV TED.
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- pondence 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.
-
L EPIDOPTERA AND COLE UPTERA.
Inflated larvae and well prepared lepidoptera and coleoptera of Europe, especially those of Germany, sold at catalog-prices. Address
DR. OSKAR KRANCHEK,
Bayrische Strasse, 12, 11, r,
Leipzig, Germany.
- --
TOR TR1CIDA.E 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
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 WAILLY, (Membre-Laurfat de la Soci6tf d'Acclimatation dc 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 by mail on receipt of the price, 15 cents per dozen copies. S. STEBBINS, Springfield, Mas^'




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