dies in the natural sciences, and that
he has in this line built up an enviable reputation beyond our church
and beyond our land."--_Presbyterian Journal, Phila._

"The illustrations are a noteworthy feature of the book. Many of them
are admirable illustrations of their subjects, while to these have been
added a number of comical adaptations from the pencil of Mr. DAN
BEARD."--_Illustrated Christian Weekly, N. Y._

"The scientific accuracy, the good illustrations and simple descriptions
make it a valuable book for amateurs and a good book of reference for
advanced students in that department of natural history."--_Springfield
Republican._

"The author is not a mere compiler of other men's labors; he is a close
and patient observer, and his book has an original value."--_N. Y. Home
Journal._

"He is rarely qualified for the task."--_Troy Daily Times._

"Scientifically, Dr. MCCOOK is authority on all these
matters."--_Presbyterian, Philadelphia._

DR. MCCOOK'S SCIENTIFIC BOOKS.

"American Spiders and their Spinningwork."

Vols. I, II, III, quarto, with 36 plates colored by hand from nature,
and 853 original engravings.

=Price, $50.00 net per set.=

"The Agricultural Ant of Texas."

Octavo, pp. 311, plates xxiv.

=Price, $3.00.=

"The Honey and Occident Ants."

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._

* * * * *
Transcriber's Notes:

The Table of Contents did not appear in the original publication and has
been added by the transcriber.

If an illustration fell within the middle of a paragraph it has been
moved to a position immediately before or after said paragraph.

Minor punctuation inconsistencies and typographical errors of words
otherwise spelled correctly elsewhere in the text have been corrected
without comment.

Word Variants appearing in the original text which have been retained:

"agoing" and "a-going"
"aids" and "aides"
"dra