[THIRD AND IMPROVED EDITION. | 
THE ONLY AMERICAN TEXT BOOK OF ENTOMOLOGY; 
A GUIDE TO THE STUDY oF INSECTS, 
BEING A POPULAR INTRODUCTION TO THE STUDY OF ENTOMOLOGY, AND A 
TREATISE ON INJURIOUS AND BENEFICIAL 3; WITH DESCRIP- 
TIONS AND ACCOUNTS OF THE HABITS OF SECTS, THEIR 
TRANSFORMATIONS, DEVELOPMENT AND CLASSIFICATION, 
JSINE J Sh PACKARD, UESe sven ee 
Curator of Articulata at the Peabody Academy of Science, Lecturer on Entomology at the Mass. State 
Agricultural College, and Entomologist to the Juss. State Board of Agriculture. 
CONTAINING 715 PAGES, 15 FULL PAGE PLATES, AND 670 CUTS IN THE TEXT, EMBRACING 1260 FIGURES OF 
AMERICAN INSECTS. IN A LARGE OCTAVO VOLUME, PRINTED ON EXTRA PAPER AND IN 
FULL CLOTH BINDING. 
PRICE REDUCED TO $5.00. 
The “ GuIDE” has been already introduced either as a Text-book, or for reference, in Harvard University, 
Williams College, Dartmouth College, Antioch College, Massachusetts Agricultural College, and Ozford and 
Cambridge Universities, England. 
Published by the NATURALISTS’ AGENCY, Salem, Mass, 
—AND— 
TRUBNER & co... LONDON. 
FOR SALE AT THE PRINCIPAL BOOK STORES. TRADE SUPPLIED ON LIBERAL TERMS. 
Remittances by mail at the risk: of the sender, unless in the form of drafts on New Yorr or Boston (if on 
any other place 25 cents must be added to pay for discounting), payable to order of AMERICAN NATURALIST; 
a Post-oflice Money Order, or in a Registered Letter. 
IN PRESS. TO BE PUBLISHED IN DECEMBER, 1872, 
OUR COMMON INSECTS, 
By A. S. PACKARD, Jr., M. IDES 
Author of the Guide to the Study of Insects. 
This little volume by Dr. Packard will be issued by the 
INAS Ey ee AL ee So A GH IN Cy 
in December, 1872, and will contain 4 popular account of the more common insects of our country, em- 
bracing chapters on 
BEES AND THEIR PARASITES, MOTHS, FLIES, 
MOSQUITOES, BEETLES, etc., etc., 
while a Calendar will give a general account of the more conmon injurious and beneficial insects, and 
their time of appearance, habits, ete. 
The volume will be a 12mo of upwards of 200 pages, profusely illus- 
trated by Woodcuts, and is intended for the general reader and the young student, thereby filling a gap 
in the entomological literature of this country, while the 
LOW PRICE Or $2.50 
will bring it within reach of all, Send orders to 
THE NATURALISTS’ AGENCY, Salem, Mass. 
Record of American Entomology, 
A YEAR BOOK OF PROGRESS IN AMERICAN ENTOMOLOGY FOR 
Pee 2869; 1870), 1874. 
Price of Parts for 1868 and 1869, 75 cents each. For 1870 and 1871, 
50 cents each, or the four Parts for $2.00, 
Address THE NATURALISTS’ AGENC Y, Salem, Mass. 
