Octavo, pp. 188, plates xiii.
Price, $2.00.
The above named works are so well and favorably known to naturalists that they have become scientific classics in their department. We will forward them by mail to any address for the above prices.
"The Moundmaking Ants of the Alleghenies."
Octavo pamphlet, pp. 50, plates v.
Price, 75 cents.
We have a few copies of this work, reprinted from the Proceedings of the American Entomological Society, which are now offered for sale.
GEO. W. JACOBS & CO.,
No. 103 S. 15th St., Philadelphia.