HANDBOOK OF MILITARY SIGNALING. Prepared by Captain Albert Gallup, Signal Officer First Brigade, National Guard, New York. Illustrated. 16mo. Flexible cloth, 50 cents.

This manual has been approved by the Signal Office at Washington, and its use has been prescribed for the National Guard of the State of New York.

THREE ROADS TO A COMMISSION IN THE United States Army. By Lieutenant W. P. Burnham, Sixth U. S. Infantry, author of “Manual of Outpost Duty,” etc. 12mo. Cloth.

PROMPT AID TO THE INJURED. A Manual of Instruction designed for Military and Civil Use. By Alvah H. Doty, M. D., Major and Surgeon, Ninth Regiment, N. G. S. N. Y.; Attending Surgeon to Bellevue Hospital Medical Dispensary, New York. With 96 Illustrations. 12mo. Cloth, $1.25.


MODERN SCIENCE SERIES.

Edited by Sir John Lubbock, Bart., F. R. S.

THE CAUSE OF AN ICE AGE. By Sir Robert Ball, LL. D., F. R. S., Royal Astronomer of Ireland, author of “Starland.”

“Sir Robert Ball’s book is, as a matter of course, admirably written. Though but a small one, it is a most important contribution to geology.”—London Saturday Review.