THE LIFE AND JOURNALS OF JOHN J. AUDUBON, The Naturalist. Comprising narrations of his expeditions in the American Forests, &c. 12mo., cloth extra, gilt top, $2.25

"It is a grand story of a grand life, more instructive than a sermon, more romantic than a romance."—Harper's Magazine.

—Any of the above sent, postpaid, on the receipt of price.


Putnams' Series of Popular Manuals.

HALF-HOURS WITH THE MICROSCOPE.

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.