A Graphic Method for solving certain Algebraic Problems. By George L. Vose. New York: D. Van Nostrand. 1875. Pp. 62. Price, 60 cents.
Manual for the Use of the Globes. By Joseph Schedler. New York: E. Steiger. 1875. Pp. 34. Price, 25 cents.
Consciousness in Evolution. A Lecture delivered before the Franklin Institute, Philadelphia. By E. D. Cope, 1875. Pp. 16.
Our Teeth and their Preservation. By L. P. Meredith. Cincinnati, 1875. Pp. 43.
History of the Philadelphia School of Anatomy. By William W. Keen, M.D. Philadelphia: Lippincott & Co., 1875. Pp. 32.
Anatomical, Pathological, and Surgical Uses of Chloral. By same. 1875. Pp. 11.
Experiments on the Laryngeal Nerves and Muscles of Respiration in a Criminal executed by Hanging. By W. Y. Keen, M.D. 1875. Pp. 8.
Matter and the Laws of Matter; and The Self-Existence of Matter inconsistent with the Existence of God. By William H. Williams. Each ten pages.
Iowa Weather Review, September, 1875, Edited and published by Dr. Gustavus Hinrichs, Iowa City, Iowa.
A Study of the Normal Movements of the Unimpregnated Uterus. By Ely Van De Warker, M.D. New York: D. Appleton & Co., 1875. Pp. 26.
On the Transcendental Curves whose Equation is, sin y sin my a sin a: sin nx b. By H. A. Newton and A. W. Phillips. Re-printed from Transactions of Connecticut Academy.
A New Basis for Uterine Pathology. By A. F. A. King, M.D. New York: William Wood & Co., 1875. Pp. 20.
The Uranian and Neptunian Systems investigated with the 26-Inch Equatorial of the United States Naval Observatory. By Simon Newcomb. Washington, 1875. Pp. 74.
The Relation of the Patent Laws to American Agriculture, Arts, and Industries. Address by James A. Whitney before the New York Society of Practical Engineering. New York, 1875. Pp. 37.
Annual Report of the Superintendent of Public Instruction, on the Public Schools of New Hampshire. Concord, 1875.
Nature and Culture. By Harvey Rice. Boston: Lee & Shepard, 1875. Pp. 202. Price, $1.50.
A Manual of Metallurgy. By William H. Greenwood, F.C.S. New York: G. P. Putnam's Sons. Pp. 370. Price, $1.50.
Cholera Epidemic of 1873 in the United States. Pub. Doc. Washington, 1875. 1025 pages.
Vision: Its Optical Defects and the Adaptation of Spectacles. By C. S. Fenner, M.D. Philadelphia: Lindsay & Blakiston, 1875. Pp. 300. Price, $3.50.
Scripture Speculations. By H. R. Stevens. Newburg, N. Y., 1875. Pp. 415. Price, $2.00.
We present below brief abstracts of some of the more interesting papers read at the last meeting of the British Association of the Advancement of Science. Others will follow in succeeding numbers.
Ice-Action.—The subject of ice-action was considered in a paper read by D. Mackintosh, F.G.S. He first discussed the question whether the so-called continental ice of Greenland was a true ice-sheet formed independently of mountains, or merely the result of a confluent system of glaciers. He then considered the state of the surface of the Greenland ice-sheet, and believed that the amount of moraine matter was locally limited and of small extent. He defended the idea of the internal purity of existing ice-sheets, and gave reasons for doubting whether glaciers are capable of persistently pushing forward the large stones they may find in their beds, though he admitted that the base of glaciers is charged with finer débris, by means of which they grind and striate rock-surfaces. He mentioned that in the lake district of England he had never seen a sharply-bordered groove on a glaciated rock-surface which might not have been produced by a stone smaller than a walnut.
He saw no reason for doubting that re-
