On the Origin of Species:  or, The Causes of the Phenomena of Organic Nature.  A Course of Six Lectures to Working-Men.  By Thomas H. Huxley, F.R.S., F.L.S., Professor of Natural History in the Jermyn-Street School of Mines.  New York.  D. Appleton & Co. 12mo. pp. 150. 75 cts.

The Results of Slavery.  By Augustus Cochin, Ex-Maire and Municipal Councillor of Paris.  Translated by Mary L. Booth.  Boston.  Walker, Wise, & Co. 12mo. pp. x., 413. $1.50.

A Text-Book on Penmanship; containing all the Established Rules and Principles of the Art, with Rules for Punctuation, Directions and Forms for Letter-Writing, to which are added a Brief History of Writing, and Hints on Writing-Materials, etc., etc.  For Teachers and Pupils.  Adapted for Use in Schools, Academies, and Commercial Colleges, in Connection with any Well-Arranged Series of Copy-Books.  By H.W.  Ellsworth, Teacher of Penmanship in the Public Schools of New York City, etc.  New York.  D. Appleton & Co. 12mo. pp. xviii., 232. $1.50.

The Gentle Skeptic; or, Essays and Conversations of a Country Justice on the Authenticity and Truth of the Old Testament Records.  Edited by the Rev. C. Walworth.  New York.  D. Appleton & Co. 12mo. pp. 368. $1.50.

The Pentateuch and Book of Joshua critically Examined.  By the Right Rev. John William Colenso, D.D., Bishop of Natal.  Part II.  New York.  D. Appleton & Co. 12mo. pp. 303. $1.25.

Annette; or, The Lady of the Pearls.  By Alexander Dumas the Younger.  Translated by Mrs. W.R.A.  Johnson.  Philadelphia.  T.B.  Peterson & Brothers. 8vo. paper, pp. 173. 50 cts.

My Southern Friends.  By Edmund Kirke, Author of “Among the Pines.”  New York.  G.W.  Carleton. 16mo. paper, pp. 308. 50 cts.

Letters on the Ministry of the Gospel.  By Francis Wayland.  Boston.  Gould & Lincoln. 16mo. pp. 210. 60 cts.

Cavalry; its History, Management, and Uses in War.  By J. Roemer, LL.D., late an Officer in the Service of the Netherlands.  With Illustrations.  New York.  D. Van Nostrand. 8vo. pp. 515, $5.00.

Mysteries of Life, Death, and Futurity.  Illustrated from the Best and Latest Authorities.  By Horace Welby, Author of “Signs before Death,” etc.  New York.  J.G.  Gregory. 12mo. pp. 356. $1.50.

Annual of Scientific Discovery:  or, Year-Book of Facts in Science and Art for 1863.  Exhibiting the most Important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Geology, Zooelogy, Botany, Mineralogy, Meteorology, Geography, Antiquities, etc.  Together with Notes on the Progress of Science during the Year 1862; a List of Recent Scientific Publications; Obituaries of Eminent Scientific Men, etc.  Edited by David A. Wells, A.M., M.D.  Boston.  Gould & Lincoln. 12mo. pp. 343. $1.50.

The United States Bank Law.  An Act to provide a National Currency, secured by a Pledge of United States Stocks, and to provide for the Circulation and Redemption thereof.  Approved February 25, 1863.  New York.  D. Appleton & Co. 8vo. paper, pp. xii., 28. 25 cts.