26 
PSYCHE, Organ of the Cambridge Entomological Club, 
RATES OF SUBSCRIPTION, ETC. 
PAYABLE IN ADVANCE. 
(> Subscriptions not discontinued are considered 
renewed. 
Sample copies, postpaid, 10 cents. 
Yearly subscription, postpaid, . : $1. 
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, . : é $1. 
One volume, printed on one side of thin 
paper, postpaid, = A 3 2 : = $3. 
One volume (regular) and one volume on 
one side of thin paper; postpaid, . : Aisek HF 
Twenty-five extra copies, without change of 
form, to the author of any leading article, 
tf ordered at the time of sending copy, Free. 
Author’s extras over twenty-five in num- 
ber, under above mentioned conditions, each, 
Separates, with changes of form —actual cost 
of such changes in addition to above rates. 
2¢. 
&a> Scientific publications desired in exchange. 
ADVERTISING RATES, ETC. 
TERMS CASH— STRICTLY IN ADVANCE. 
aa 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, not for cash, 
free, at the discretion of the editors. 
Regular style of advertisements plain, at the 
following rates:— 
Outside Inside 
Page. Pages. 
Per line, first insertion, $0.10 $0.08 
Eighth page, first insertion, . S caD .60 
Quarter * a: aS 1.25 1.00 
Half ne se on : . 2.25 ies) 
One BS es aS 4.00 3.50 
Each subsequent insertion one half the above rates. 
Address Epirors oF Psycue, 
Cambridge, Mass., U.S. A. 
Subscriptions also received in Europe by 
R. FRIEDLANDER & Sonn,” 
Carlstrasse 11, Berlin, N. W. 
PSYCHE. 
ENTOMOLOGISTS’ MATERIALS FOR SALE. 
Klaeger’s best Insect-pins, 36 mm. long, no. 00-5; 
39 mm. long, no. 00-7. Per 1000: no. 2-5, $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 ets. per 100; sam- 
ples, 6 cts. 
Double boxes, for storing, 10 25 & 35 em., 45 ets. 
Light mailing boxes, 17 & 22 em., and half and quar- 
ter size, 10, 8, 6 cts. 
Cork in sheets 30 X 8.5 X 0.5 em., 12 cts. per sheet, 
$1.00 per 10 sheets. 
Stout glass tubes, for alcoholic specimens, 8X 50 
mm., 10 60 mm., 12 & 70 mm., $1.30, $1.40, $1.50 per 
100; rubber stoppers for these, $1.00, $1.20, $1.50 per 
100; tube and stopper, 3 cts. Other sizes of tubes 
and stoppers on hand or to order. 
Blank labels, red-bordered, 22 14 mm., 35 cts. 
per 1000; 2712 mm., 45 cts. per 1000. A set of 100 
generic and 586 specific labels, printed on above 
blanks, for United States and Canadian butterflies, 
complete to 1876, $1.00. Twelve sheets of printed 
labels, containing the names of the North Ameri- 
can States and Territories, of months, and signs 
for sexes, 2 cts. a sheet, and 2 cts. postage. 
Photographs of Prodryas, the first known North 
American fossil butterfly; of the anatomy of the 
upper and of the under side of Harpalus caliginosus, 
and of the under side of Zucanus cervus: each 50 cts. 
Transportation on pins and labels, prepaid; on 
other goods extra. 
B: Prckman Mann, Cambridge, Mass. 
EARLY STAGES OF BUTTERFLIES WANTED. 
The undersigned desires to obtain, by exchange 
or otherwise, from all parts of the world, eggs, 
caterpillars and chrysalids of Diurnal Lepidop- 
tera. Dried specimens are preferred, especially 
of caterpillars, which should be prepared by in- 
flation. Correspondence is invited with persons 
engaged in the study of the early stagés of butter- 
flies. S. H. SCUDDER, 
Cambridge, Mass. 
NATURAL HISTORY AGENCY. 
The undersigned has for sale Entomologists’ ma- 
terials of all kinds, Insects, and Entomological 
books. 
Collections of insects for beginners or for 
schools furnished at reasonable rates. Several 
large collections of American and foreign insects, 
principally Coleoptera, for sale cheap. 
Books and materials in other branches of Nat- 
ural History procured for parties at a distance, at 
the lowest prices. 
Lists of books, specimens, etc., sent for 10cents. © 
E: P. AUSTIN, 46 East Newton St., 
Boston, Mass. 
