“We have read this work with great delight; the subject is treated in a masterly manner. To a complete knowledge of the scientific part of his subject, the author adds immense practical information, and an elegance of style rarely found in works of science.”—London Athenæum. * * * * * PATHOLOGY; FOUNDED ON THE NATURAL SYSTEM OF ANATOMY AND PHYSIOLOGY, BY ALEXANDER WALKER. A Philosophical Sketch, in which the natural classification of diseases, and the distinction between morbid and curative symptoms, afforded by pain or its absence, are pointed out, as well as the errors of Homœopathy and other hypotheses. One vol. Price 75 cents, muslin. Another work from the pen of this popular Physiologist, embracing a new order of subjects though not the less interesting, as the title fully exhibits. To the many admirers of his former works, this new production cannot fail of receiving a cordial welcome. * * * * * PREPARING FOR PUBLICATION, BY THE SAME AUTHOR, PHYSIOGNOMY; Founded on Physiology, and applied to various Countries, Professions, and Individuals; Illustrated with engravings. By A. WALKER, author of “Intermarriage,” “Woman,” “Beauty,” &c. Notes and an Introductory Essay by an American. * * * * * ALEX. DUMAS’ NEW WORK, Second edition, in one vol. 12mo. Price $1 00, muslin. THE PROGRESS OF DEMOCRACY, Illustrated in the History of Gaul and France, from the earliest period to the present day. Translated from the French of Alex. Dumas, by an American. “As a historian, our author has displayed eminent ability, as the work now before us abundantly testifies; its style, moreover, is the most delightfully interesting that we remember ever to have met with.”—Knickerbocker. “The political theory of the work is original, striking and beautifully developed.”—Phila. Ledger. “One of the most valuable as well as interesting compends that has appeared.”—Boston Atlas. “This work is one of the most valuable, as well as most attractive, historical compends that have been published for many years.”—Courier and Enquirer. “It is one of the most useful and readable books of the day: full of striking and profound reflections, and enlivened by a style, the raciness and brilliancy of which no living French writer can surpass.”—N. Y. Commercial Advertiser. “We are glad of an opportunity to call the attention of our readers to this work in an English dress: a work, the most original in design, and at least among the most able in execution, of all contemporary productions.”—New World.