306 
PSYCHE, Organ of the Cambridge Entomological Club, 
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TERMS CASH—STRICTLY IN ADVANCE. 
J2=- Only thoroughly respectable advertisements 
will be allowed in PSYCHE, and the advertising pages 
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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 
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lowing rates : — 
Outside Inside 
Page. Pages, 
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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. 
PSYCHE: 
ENTOMOLOGISTS’ MATERIALS FOR 
SALE. 
Intending not to keep goods for sale hereafter, I 
offer the remainder of my stock as follows :— 
Minute bent-wire pins, for Micros, these pins so 
constructed as to be mounted conveniently on ordi- 
nary entomological pins; so cts. per 100. [/Vo more 
ordinary entomological pins for sale.| 
Blank labels, red-bordered, 22X14 mm., 35 cts. 
per 1000; 27X12 mm., 45 cts. per 1000. 
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 Lepzdo- 
ptera, Coleoptera, Homoptera and Diptera. Corres- 
pondence in reference to Gall growths, or other 
vegetable abnormities, is invited. 
CHARLES V. RILEY, 
1700 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 wil] 
be sold separately. Price: 2 copies for 15 cts.; 4 
copies for 20 cts. Nos. 2, 4, 5, 8, 12, 14, 20, 21, 25, 
26, 27, 29, 3°, 31, 37, 38, 39-49, 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, Io, 16, 18, 28, 41-42, 43-44, 49-50, 53-54, 58, 63. 
Also, nos. 69, 70, 73, 74, 77; 78, 79, 80, 81, 82, 83, 86, 
87-89, 90-92. Price per numero, 15 cts. 
No. 32 (index to vol. 1), 30 cts. 
Alphabetic index to vol, 2, 30 cents. [Systematic 
index and title-page to vol. 2, not yet published.) 
Address: EDITORS OF PSYCHE, 
Cambridge, Mass. 
