230 
PSTCAE, 
PSYCHE, Organ of the Cambridge Lntomological Club. 
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editors reserve the right to reject advertisements. 
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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. 
Intending not to keep goods for sale hereafter, I 
offer the remainder of my stock as follows :— 
Klaeger’s pins, 36 mm. long, nos, 0, I, 2; 39 mm. 
long, nos. 1-5, 7; Mueller pins, 36 mm. long, nos. I. 
2,8; 39mm. long, nos, 3-7, 9.. /z packages of 500. 
All at $1.10 per I000; $5.00 per 5000. 
Glass tubes and rubber stoppers at old prices. 
Blank labels, red-bordered, 22X14 mm., 35 cts. 
per 1000; 27X12 mm., 45 cts. per 1000. 
Transportation on pins and labels, prepaid; on 
other goods extra, 
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 Lepido- 
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 ee 
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, 12, 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. 
[Index to Vol. 2 not yet published.] 
Address: EDITORS OF PSYCHE, _ 
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