574 
PSYCHE. 
PSYCHE, Organ of the Cambridge Entomological Club. 
RATES OF SUBSCRIPTION, ETC. 
PAYABLE IN ADVAN€E. 
(- Subscriptions not discontinued are considered 
renewed. 
IS Commencing with the numero for January 
1888 the rate of subscription is as follows:— 
Yearly subscription, entitling the subscri- 
ber to one regular copy and, if he desires it, 
one copy printed on one side of thin paper 
(for pasting the titles of the bibliographical 
record on title-slips), postpaid, . # i $2. 
Subscription to one volume (three years), 
entitling the subscriber to one regular copy 
and, if he desires it, one copy printed on 
one side of thin paper (see above), postpaid, $5. 
Twenty-five extra copies, without change of 
form, to the author of any leading article, 
if ordered at the time of sending copy, 
Author’s extras over twenty-five in num- 
ber, under above mentioned conditions, each, 2c. 
Separates, with changes of form —actual cost 
of such changes in addition to above rates. 
Free. 
Rae Scientific publications desired in exchange. 
ADVERTISING RATES, ETC. 
TERMS CASH—STRICTLY IN ADVANCE. 
&a> 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, . Pact yi) 60 
Quarter ‘ oY oo 1.25 1.00 
Half ae as co es . . 2.25 1.75 
One = oe Us 4.00 3.50 
Each subsequent insertion one half the above rates. 
Address Epirors or Psycue, 
Cambridge, Mass., U. S. A. 
Subscriptions also received in Europe by 
R. FRIEDLANDER & Soun, 
Carlstrasse 11, Berlin, N. W. 
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 stages of butter- 
flies. S. H. SCUDDER, : 
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 Entomology, 
The Cornell University, 
Ithaca, N. Y. 
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 Lepidoptera, Coleoptera, Homoptera and Diptera. 
Correspondence in reference to Gall growths, or 
other vegetable abnormities, is invited. 
CHARLES V. RILEY, 
1700 Thirteenth St., N. W., 
Washington, D. C. - 
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, 
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 ), 
Tudor Villa, Tudor Koag, Norbiton, 
Kingston-on-Thames, England. 
NORTH AMERICAN FERNS. 
Check lists of the Ferns of North America north — 
of Mexico, enumerating 31 genera, 132 species and 
15 varieties. on one octavo page. Will be sent by 
mail on receipt of the price, 15 cents per dozen 
copies. : - 
S. STEBBINS, Springfield, Mass. 
