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Rh  ideas, and funeral customs. The remainder of the book, and its larger portion, classifies and describes very fully the various monuments of early constructive skill, implements, utensils, ornaments, and manufactures of these primitive tribes.

The illustrations consist of 31 plates and several woodcuts of objects mostly in the author's private collection, which are here figured for the first time.

is, we believe, the first book of its kind that has ever been published, at least in English—a primer of anthropology and archæology, giving the results of advanced modern science, and intended for the instruction of young children. It is written in attractive style, and is sure to gratify the young folk. The author contrives to convey a very large amount of information in very small space and in very simple language; he can simplify without debasing, and can instruct the young, without ever resorting to unworthy tricks or making drafts on their credulity, which maturer years would lead them to discount. The paper, print, and binding of the book, are all that could be desired.

this little work Dr. Helmholtz comes before the world bringing the results of his own observation, and, as a matter of course, he pours a flood of light upon the subject which he treats. The essay is intended for professional men, and for students familiar with physiological science, and both these classes of readers will find here the only treatise in any language which discusses fully the anatomical, physiological, and mathematical aspects of the matter in hand.

Logic of Medicine. By Edward S. Dunster, M. D. New York: D. Appleton & Co. 1873.

The Criminal Use of Proprietary and Advertised Nostrums. By Ely Van de Warker, M. D. New York: D. Appleton & Co., 1873.

The Short-Footed Ungulata of the Eocene of Wyoming. By Edward D. Cope.

Criminal Responsibility of Epileptics. By M. G. Echeverria, M. D.

New Method of preserving Tumors, etc., during Transportation. By Joseph G. Richardson, M. D. Philadelphia: Lippincott, 1873.

Mechanism of the Ossicles of the Ear and Membrana Tympani. By H. Helmholtz. New York: William Wood & Co., 1873.

The Scientific Bases of Faith. By Joseph John Murphy, Author of "Habit and Intelligence." London and New York: Macmillan, 1873.

The Unity of Law; as exhibited in the Relations of Physical, Social, Mental, and Moral Science. By H. C. Carey. Philadelphia: Henry C. Baird, 1873.

The Romance of Astronomy. By H. Kalley Miller, M. A. London and New York: Macmillan, 1873.

The Childhood of the World; a Simple Account of Man in Early Times. By Edward Clodd, F. R. A. S. London and New York: Macmillan, 1873.

The Sanitarian. A Monthly Journal. A. N. Bell, M. D., Editor. New York: A. S. Barnes & Co., 1873. $3.00 per annum.

Prayer and the Prayer-Gauge. By Rev. Mark Hopkins, D. D. Albany: Weed, Parsons & Co., 1873.

The Upper Coal-Measures west of the Alleghany Mountains. By John J. Stevenson. Salem, Mass., 1873.



Action of Drought and Cold on Forest-Trees.—In an able paper on the manner in which the distribution of plants and animals may be influenced by extraordinary changes in the character of the seasons, published in the American Naturalist for November last, Prof. N. S. Shaler attributes the wide-spread destruction of evergreen