170 PSG. 
PSYCHE, Organ of the Cambridge Entomological Club, 
RATES OF SUBSCRIPTION, ETC. 
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Je&= Only thoroughly respectable advertisements 
will be allowed in PSYCHE, and the advertising pages 
will be numbered consecutively 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, ot for cash, free, at 
the discretion of the editors. 
Regular style of advertisements plain, at the fol- 
lowing rates : — 
Outside Inside 
Page. Pages 
Per line, firstinsertion, . . . . $0.10 $0.08 
Eighth of page, firstinsertion, . . . .75 60 
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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. 
ENTOMOLOGISTS’ MATERIALS FOR 
SALE. 
Klaeger’s best Insect-pins, 36 mm. long, no, 00-3; 
39 mm. long, no. 00-7. Per tooo: no. 2-6, $1.10; oth- 
ers, $1.20. Per 5000, $5.00 and $5.50. Other sorts 
on hand or to order. Pins sold at these rates only 
in packages of 500; smaller lots, 20 cts. per 100; sam- 
ples, 6 cts. 
Blank labels, red-bordered, 22X14 mm., 35 cts. 
per 1000; 27X12 mm., 45 cts. per Iooo. A set of 100 
generic and 586 specific labels, printed on above 
blanks, for United States and Canadian butterflies, 
complete to 1876, $1.00. 
Transportation on pins and labels, prepaid; on 
other goods extra, 
B: PICKMAN MANN, Cambridge, Mass. 
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 Lepzdo- 
, Coleoptera, Homoptera and Diptera. Corres- 
pondence in reference to Gall growths, or other 
vegetable abnormities, is invited. 
CHARLES V. RILEY, 
17oc Thirteenth St., N. W., 
Washington, D.C. 
EARLY STAGES OF BUTTERFLIES 
WANTED. 
The undersigned desires to obtain, by exchange 
or otherwise, from all parts 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. 
BACK NUMEROS OF PSYCHE. 
Copies of the following numeros of PSYCHE will 
be sold separately. Price: 2 copies for 15 cts.; 4 
copies for 20 cts. Nos. 2, 4, 5, 8, I2, 14, 20, 21, 25, 
26, 27, 29, 30, 31, 37, 38, 39-40, 47-48, 51-52, 55-56, 60, 
61-62 (no plate), 64, 65-68. Any two of the above’ 
will be exchanged for any one of the following: Nos, 
I, 6, 9, 10, 16, 18, 28, 41-42, 43-44, 49-50, 53-54, 58, 63. 
No. 32 (index to vol. 1), 30 cts. 
[/udex to Vol. 2 not yet published.] 
Address: EDITORS OF PSYCHE, 
Cambridge, Mass. 
2 
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