_For further information address the President_,
=DR. W. O. THOMPSON, STATE UNIVERSITY, COLUMBUS.=
Ohio Forest Trees Identified by Leaves and Fruit.
By W. A. KELLERMAN, PH. D., Ohio State University.
A neat pamphlet for every one who wishes to learn our
native forest trees. Keys simple Description plain.
Can learn the names of the trees easily.
Price reduced from 25 cents to 10 cents.
Also, =The Fourth State Catalogue of Ohio Plants=.
Bound copies at cost of binding,
namely 20 cents.
Gives list of scientific and common names;
distribution by counties.
Teachers and others will also be interested in Prof.
Kellerman’s Phyto-theca or Herbarium Portfolio,
_Practical Studies_ in Elementary Botany,
_Elementary Botany_ with Spring Flora, all published
by Eldredge & Bro., Philadelphia, to whom apply.
For information or copies of _Forest Trees_ and
_Catalogue_ or names of plant specimens of your
region _address_
=W. A. KELLERMAN, COLUMBUS, OHIO=
American Entomological Co.
1040 DE KALB AVENUE, BROOKLYN, N. Y.
Lepidoptera Price List No. 2.—_Price 5 cents_
Refunded to Buyers
ISSUED NOVEMBER 15th 1900.
Dealers of all kinds of
_ENTOMOLOGICAL SUPPLIES_
Manufacturers of the Original
and Celebrated
SCHMITT INSECT BOXES.
_Builders of INSECT CABINETS, ETC._
The Twentieth Century Text Books of Biology.
=PLANT RELATIONS, 12mo, cloth= =$1.10=
=PLANT STRUCTURES, 12mo, cloth= =1.20=
=PLANT STUDIES, 12mo, cloth= =1.20=
=PLANTS, 12mo, cloth= =1.80=
=ANALYTICAL KEY TO PLANTS, 12mo, flexible cloth= =.75=
=All by JOHN MERLE COULTER, A. M., Ph. D.,
Head of Dept. of Botany,
University of Chicago.=
_They are already the preferred texts, and_
_the reasons will be apparent on examination._
ANIMAL LIFE: A First Book of Zoology.
By DAVID S. JORDAN, M. S., M. D., Ph. D., LL. D.,
President of the Leland Stanford Junior University,
and VERNON L. KELLOGG, M. S.,
Professor in Leland Stanford Junior University.
12mo. Cloth, $1.20. _Now ready._
_Not a book for learning the classification, anatomy,
and nomenclature of animals, but to show how animals
reached their present development, the effects of
environment, their place in Nature, their relations
to one another and to the human race. Designed for
one-half year’s work in high schools.