Article beginning on page 314.
Psyche 9:314, 1900.

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PSYCHE.
Psyche, A Journal of Entomology.
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Subscription to Vol. 6, clubs of 3, postpaid, 13.00 The Index will only be! sent io subscriten in the whole volume.
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tfarh suhseq~tewi insertion odalf the above rates. Address EDITORS 0V PSYCHE,
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Subscriptions also received in Europe by R. FRIEDLANDER & SOHE,
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CAA/BR/DGE ENTOMOLOGICAL CLUB.
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The following books and pamphlets are for sale by the CAMBKIIWR ENTOMOLOGICAL CL,UB:
Burg-ess, E. Contributions to the anal-
omy of the milk-weed butterfly, Danais arehip- pus. Boston, r88o. 16 p., 2 plates. . . 1.00 Hitchcock, Edward. Ichnology of New
England. Boston, 1858 . . . . 1.50
Scudder, S. 13. The earliest winged in-
sects of America. Cambridge, 1885, 8 p., I plate .50 Scudder, S. H. Historical slcstcll of the generic names proposed for Butterflies. Sa- . ]em, 1875. . . . . . . . LOO
Sciidder, S. H. The pine-moth of Nun-
tucket. Retinia frust~xna. col. pi. Boston, 1883. .*5 Scndder, S. H. The fossil butterflies of Florissant, Col., Washington, 1889 . . 1.00 Scudder, S. H. Tertiiiry Tipi~litl~ie, with special reference to those ot Florissant. g plates. Philadelphia, 1894. . . . 2.00
Stettiner entomologische Zeitung. Jahrg, 43-44. Stettin, 1$8z-l88~. . . . 2.00
U. S. Entomological Commission.-Fourth
Report, Washington, 1885 . . . . z.oo
Address EDITORS OF PSYCHE,
Cambridge, Mass.
An outline for the use of students in entomological labora- tories. BY COMSTOCK ANU KEI.LOGG.
A practical guide for laboratory work in entomology by college classes, including the study of the external and internal anatomy of insects and the, comparative anatomy of the mouthparts and wings together with the methods of insect histology. It is used as a text-book in Cornell University, Stanford University, Iowa State Agricultural College, University of Iliinois, Washing~on State Agi icul- tural College, University of Kansas, Texas State Agricul- tural College, and numerous other universities and agricul- tural colleges. 145 pp. bound in. brown-gray buckram Price $1.00. Address,
COMSTOCK PUBLISHING Co., Ithaca, N. Y.




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