Article beginning on page 256.
Psyche 7:256, 1894.

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[June 1895.
COMSTOCK'S MANUAL.
Professor and Mrs. Comstock have made a
happy venture in their new Manual.* It is quite different in plan and execution from anything before attempted and, especially in simplicity of language, is far better fitted for the beginner than any work with which we are acquainted. Excepting for the
mention of the commoner forms, admirably illustrated and almost entirely by original cuts (a few of the smaller of which have been unfortunately ruined in ihe printing), the student is carried only as far as the families. More than that would be utterly impo~sible in a single volume, but it would have added greatly to its usefulness if for each family, either in its place or in an appendix, short references had been made *A Manual for the study of insects, by 1. H. Comstock and Anna B. Comstoclc. 12,701 pp., 797 figs., 6 pi. Ithaca 1895, So,
to the principal literature to enable the student to know tiow to proceed further. In c,arrying out their plan the authors have employed a vast number of tables of great simplicity and directness; but not content with this they have introduced (for the first time, we believe, in such a manual) a uniform terminology for the venation of the wings of all insects, so that the work becomes an important aid to the advanced student as well. Their system has the merit of sim- plicity and of accordance with the principal terminology heretofore employed, but the working of this out for all the orders of insects and its direct application throughout, merits the thanks of every student and must have entailed far more labor than is corn- monly given to a volume of this sort. It is in the nature of an original research.
We
have not space to enter upon further details but must express our belief that the volume will greatly further the study of insects in this country.
. ..
A. SMITH & SONS, 269 PEARL STREET, New York. lIAXCTACTURERSAUDniPORTEI!8OF
GOODS FOR ENTOMOLOGISTS,
Klaeger and Carlsbad Insect Pins, setting Boards, Folding Nets, Locality and
Special Labels, Forceps, Sheet Cork, Ek. Other articles are being added, Sendfor List, JOHN AKHURST,
TAXIDERMIST AND DEALER IN ENTOMOLOGICAL SUPPLIES. Fine Carlsbader
Insect Pins a spe-
cialty. Price List sent on application.
78 Ashland Place,
IMPROVED ENTOMOLOGICAL FORCEPS. BROOKLYN, N. Y.



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