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=

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American Entomological Co.

The Ohio naturalist, Vol. 1, No. 3, January, 1901 · 第 32 / 35 题