Housekeepers._

"It can hardly fail to prove a valuable aid to housekeepers who
are brought to their wits' end to know what to get for the day's
meals."--_San Francisco Bulletin._

Putnams' Series of Popular Manuals.

HALF-HOURS WITH THE MICROSCOPE. (Shortly.)

By EDWIN LANKESTER, M.D., F.R.S. Illustrated by 250 Drawings from
Nature. 12mo, cloth, $1.25.

"This beautiful little volume is a very complete manual for the
amateur microscopist. * * * The 'Half-Hours' are filled with
clear and agreeable descriptions, whilst eight plates, executed
with the most beautiful minuteness and sharpness, exhibit no less
than 250 objects with the utmost attainable
distinctness."--_Critic._

HALF-HOURS WITH THE TELESCOPE:

Being a popular Guide to the Use of the Telescope as a means of
Amusement and Instruction. Adapted to inexpensive instruments. By R. A.
PROCTOR, B.A., F.R.A.S. 12mo, cloth, with illustrations on stone and
wood. Price, $1.25.

"It is crammed with starry plates on wood and stone, and among
the celestial phenomena described or figured, by far the larger
number may be profitably examined with small
telescopes."--_Illustrated Times._

HALF-HOURS WITH THE STARS:

A Plain and Easy Guide to the Knowledge of the Constellations, showing
in 12 Maps, the Position of the Principal Star-Groups Night after Night
throughout the Year, with introduction and a separate explanation of
each Map. True for every Year. By RICHARD A. PROCTOR, B.A., F.R.A.S.
Demy 4to. Price, $2.25.

"Nothing so well calculated to give a rapid and thorough
knowledge of the position of the stars in the firmament has ever
been designed or published hitherto. Mr. Proctor's 'Half-Hours
with the Stars' will become a text-book in all schools, and an
invaluable aid to all teachers of the young."--_Weekly Times._

MANUAL OF POPULAR PHYSIOLOGY:

Being an Attempt to Explain the Science of Life in Untechnical Language.
By HENRY LAWSON, M.D. 18mo, with 90 Illustrations. Price, $1.25.

Man's Mechanism, Life, Force, Food, Digestion, Respiration, Heat, the
Skin, the Kidneys, Nervous System, Organs of Sense, &c., &c., &c.

"Dr Lawson has succeeded in rendering his manual amusing as well
as instructive. All the great facts in human physiology are
presented to the reader successively; and either for private
reading or for classes, this m