120 
PSYCHE. 
ADVERTISEMENTS 
should reach the editors by the 10th of the 
month preceding the one in which they are to 
appear. 
{@— European exchanges and communica- 
tions will receive more immediate attention by 
being addressed to 
GrEorGE DimMMOcK, 
Leipzig, Germany. 
BLANK INSECT LABELS. 
No, 1.— 40 on a sheet. No. 2.—50 on a sheet. 
Blank Labels for Insects, of the sizes annexed, 
printed in red, on good quality of paper, at two 
cents a sheet, or sixty sheets for a dollar. 
Address B: PICKMAN MANN, 
Cambridge, Mass. 
TORTRICIDAE WANTED. 
I am desirous of obtaining as many North 
American TORTRICIDAE as possible, for the pur- 
pose of studying this family. I shall be glad to 
name and return any TORTRICIDAE forwarded to 
me for this purpose, save such as may prove new 
and desirable to retain for description. 
Pack carefully, and direct to 
PROF. C. H. FERNALD, Orono, Me. 
PUBLISHED FORTNIGHTLY. 
ANNUAL SUBSCRIPTION (Postrain), M 6.50 = $1.62. 
Entomologische Nachrichten, 
VI. Jahrg. 1880. 
Herausgegeben von Dr. F. Katter. 
Baron vy. Harold, Entomological Museum of 
Berlin, says of this magazine :— 
“Tt is a complete repository of interesting and instruc- 
tive notices ; of practical directions for collecting, observ- 
ing, and preparing specimens; of proposals for exchange 
and sale of insects; of literary information and notices of 
books; and correspondence. In short, it has proved itself 
the special organ for the encouragement and progress of the 
Science of Entomology.” 
May be obtained of all booksellers ; and from 
the publisher, 
A. DOSE, 
Pursvus a. RUGEN, 
GERMANY. 
Back volumes may be had from the same, 1875 a 2.50 M; 
1877 43M; 187845 M; 1879 46.50 M. 
LEPIDOPTERA. 
Living cocoons, pupae and ova of American lep- 
idoptera bought or exchanged for other species, 
by Monsieur ALFRED WAILLY, (Membre-Lauréat 
de la Société d’Acclimatation de France ), 
110 Clapham Road, London, S. W., 
England. 
DIMMOCK’S SPECIAL BIBLIOGRAPHIES. 
No.1. THE ENTOMOLOGICAL WRITINGS OF JOHN 
L. LEConTE. Compiled by Samuel Henshaw. Edi- 
ted by George Dimmock. Nov. 1878. 11 p.t19X 
12.5, Price, 30 cents; on 5X 12.5 title-slips, $1.25. 
No, 2. THE ENTOMOLOGICAL WRITINGS OF 
GEORGE H. Horn. Compiled by Samuel Hen- 
shaw. Edited by George Dimmock. Jan. 1879. 
6 p.t19X12.5. Price, 20 cents; on 5X 12.5 title- 
slips, 50 cents. 
No. 3. THE WRITINGS OF SAMUEL HUBBARD SCUD- 
DER. Compiled and edited by George Dimmock. 
Aug. 1879. 28 p.t19X 12.5. Price 50 cents. 
Address EDITORS OF PSYCHE, 
Cambridge, Mass. 
READERS AND WRITERS ECONOMY CO. 
Every practical device for desk, study or library, 
to save time, money or labor, manufactured and 
sold at lowest prices, with special discounts to 
members of the Economy Club. Desks and fit- 
tings, A. T. Cross stylografic pens, stationery, lib- 
rary goods, &c. Send for information to 
B: PICKMAN MANN, Cambridge, Mass. 
FOR SALE. 
Single copies of PSYCHE. Price: 2 copies for 15 
cts.; 4 copies for 20 cts. Nos. 37, 38, 39-40, 47-48, 51- 
52, 55-55, 60, 61-62 (no plate), 64, 65, 66, 67, 68. 
Address: Editors of PSYCHE, 
Cambridge, Mass. 
COCCIDAE WANTED 
The undersigned is desirous of obtaining by ex 
change or otherwise specimens of as many spe- 
cies of the COCCIDAE as possible, for the purpose 
of making a study of the North American forms. 
Those found infesting cultivated plants especially 
desired. Living specimens preferred when they 
can be obtained. J. HENRY COMSTOCK, 
Department of Agriculture, 
Washington, D. C. 
No. 76 was issued 4 Nov. 1880. 
