It is eminently scientific in method, and thorough in discussion, and its views on unsettled questions in morals are discriminating and sound.

HOPKINS’ LECTURES ON MORAL SCIENCE, delivered before the Lowell Institute, Boston, by Mark Hopkins, D. D., President of Williams College. Royal 12mo, cloth, 1.50.

☞ An important work from the pen of one of the most profound thinkers of the age.

WAYLAND’S ELEMENTS OF MORAL SCIENCE. By Francis Wayland, D. D., late President of Brown University. 12mo, cloth, 1.75.

WAYLAND’S MORAL SCIENCE ABRIDGED, and adapted to the use of Schools and Academies, by the Author. Half mor., 70 cts.

The same, Cheap School Edition, boards, 45 cts.

WAYLAND’S ELEMENTS OF POLITICAL ECONOMY. By Francis Wayland, D. D. 12mo, cloth, 1.75.

WAYLAND’S POLITICAL ECONOMY ABRIDGED, and adapted to the use of Schools and Academies, by the Author. Half mor., 70 cents.

All the above works by Dr. Wayland are used as text-books in most of the colleges and higher schools throughout the Union, and are highly approved.

AGASSIZ AND GOULD’S PRINCIPLES OF ZOÖLOGY; Touching the Structure, Development, Distribution, and Natural Arrangement, of the Races of Animals, living and extinct, with numerous Illustrations. For the use of Schools and Colleges. Part I. Comparative Physiology. By Louis Agassiz and Augustus A. Gould. Revised edition. 1.50.