Article beginning on page 306.
Psyche 3:306, 1880.

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306 PSYCHE.
RA TES OF SUBSCR/PT/ON, ETC.
. .
One volume (three years), postpaid, . . , $3. Yearly, printed on one side of thin paper (for pasting the titles of the bibliographical record on title-slips), postpaid, . . . . $3.
One volume, printed on one side of thin paper, postpaid, . . . . . . . $3,
One volume (regular) and one volume on one aide of thin paper, postpaid, . . . . $5 Twenty-five ertra copies vfithoia chasge of form, to 1he author of any leading article, if or- dwedat tki tisa* ufsmdiag e@, . . . Free. Author's extras over twenty-five in number, under above-mentioned conditions, each, 3 d Septrates, with changed of fdrm-
of such changes in addition to above
Sa'entfSr /,ÌöiVicatfou dmhd
-
AD VER TISING RATES, E TC.
- TERMS CASH-STRICTLY IN ADVANCE.
p?POnly thoroughly respectable advertisements will be allowed in PSYCHE, and the advertising pages will he numbered wnsecutiveiy with those of reading matter and indexed at the end of the volume. The editors reserve the right to reject advertisements. Subscribers to PSYCHE can advertise insects for exchange or desired for study, not far cash, free, at the discretion of the editors.
Regular style of advertisements plain, at the fol- lowing fates :-
%%? E2
Per line, first insertion, . . . . $0.10 gad Eighth of page, first insertion, . . . ,75 -60 Quarter " " " . . . 1.~25 1.00
Half
** 4, 0,
m -5 1.75
One
a, n. 4,
4.00 3-50
Each subitffufuf fvtserth on&kgtf #he alww rates* Address EDITORS OF PSYCHE,
Catnbrirfp, htass., U. S. A.
Subscriptions also received in Europe by R FRZEDL~DER & SOHN,
Carlstrasse 11. Berlin, N. W.
ENTOMOLOGISTS' MATERIALS FOR
SALE.
Intending not to keep goods for safe hereafter, 3 offer the remainder of my stock as follows :- Minute bent-wire pins, for Micros, these pins so constructed as to lie mounted conveniently on ordi nary entomoiogical pins ; $0 cts. per loo. Wo men wiSinvy' eittimntlegiedftias fvrsafc]
Blank labels, red-bordered, 22x14 mm., 35 cts. per loso; 37 X 12 mm., 45 cts. per toea
B: PICKMAN MANN,
Department of Agriculture,
Washington, D. C.
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 Lefids- @era, CeUOptera, //mopttra and å£>iff*ra Corres- pondence in reference to Gall growths, or other vegetable abnormities, is invited.
K A R ~ V. RILEY,
~p Thirteenth St., N. W.,
Washington. D. C.
EARLT STAGES OF BUTTERFLIES
WANTED.
The undersigned desires to obtain, by exchange or otherwise, from all ports of the world, eggs, cater- pillars and chrysalids of Diurnal Lepidoptera, Dried specimens are preferred, especially of caterpillars, which should be prepared by inflation. Correspon- dence is invited with persons engaged in the study of the early stages of butterflies.
S. H. SCUDDER,
Cambridge, Mass.
Address: EDITORS OF PSYCHE,
Cambridge, Mass.




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