D.D., LL.D., late President of
Harvard University. Cloth. 50 cents.

"It cannot but be valuable to the student of science as well as to the
professors of religion, and tends to bring them closer together, and
reconcile them."--_Potter's Monthly._

KNOW WHAT YOU ARE DRINKING.

=HANDBOOK OF WATER ANALYSIS.= By Dr. GEORGE L.
AUSTIN. Cloth. 50 cents.

"It condenses into fifty pages what one would have to wander through a
small chemical library to find. We commend the book as worthy of a wide
circulation."--_Independent._

EVERY LADY HER OWN FLORIST.

=THE PARLOR GARDENER.= A Treatise on the
House-Culture of Ornamental Plants. Translated
from the French, and adapted to American use. By
CORNELIA J. RANDOLPH. With eleven illustrative
cuts. 50 cents.

It contains minute directions for the "mantel-piece garden," the
"_etagere_-garden," the "flower-stand garden," the "portable
green-house," the "house-aquarium," the garden upon the balcony, the
terrace, and the double window, besides describing many curious and
interesting experiments in grafting.

"HELLO, CENTRAL!"

=THE TELEPHONE.= An Account of the Phenomena of
Electricity, Magnetism, and Sound, as involved in
its action, with directions for making a
Speaking-Telephone. By Professor A. E. DOLBEAR of
Tufts College. 16mo. Illustrated. Price 50 cents.

"An interesting little book upon this most fascinating subject, which is
treated in a very clear and methodical way. First we have a thorough
review of the discoveries in electricity, then of magnetism, then of
those in the study of sound,--pitch, velocity, timbre, tone, resonance,
sympathetic vibrations, etc. From these the telephone is reached, and by
them in a measure explained."--_Hartford Courant._

A PRACTICAL PROOF-READER'S ADVICE.

=HANDBOOK OF PUNCTUATION=, and other Typographical
Matters. For the use of Printers, Authors,
Teachers, and Scholars. By MARSHALL T. BIGELOW,
Corrector at the University Press, Cambridge,
Mass. 18mo. Cloth. 50 cts.

"It is intended for the use of authors and teachers; while business men
who have occasion to print circulars, advertisements, etc., can hardly
afford to be without a copy of it for reference."--_Schenectady Daily
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"A USEFUL LITTLE MANUAL."

=HANDBOOK OF LIGH