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gineers and students. The author gives simple descriptions of the very latest Brush dynamos and a list of instructions for use in emergencies. A novel feature is a revolvable celluloid chart. This chart represents a Brush dynamo with a revolvable armature. It shows the manner of cutting the lines of force, the directions of the flow of current induced in the armature coils, the method of commuting the current, and the flow of current to the external circuit and return to the negative brush. The book has been approved by the Brush company. (N. W. Henley & Co., N. Y.)


Adickes, Dr. Erich. Kant Studien. Kiel und Leipzig: Lipsius & Tischer. Pp. 185.

Advance in Education, The. (Bimonthly Periodical, Los Angeles, Cal) Vol. I, No. 1. Edited by P. W. Search. Pp. 28. $2 a year.

Agricultural Experiment Stations. Cornell Station: Announcement, 1895-'96.—Delaware College Station: Strawberries. Pp. 16. Iowa College Station: Bovine Tuberculosis; To Prevent Spot Diseases on Currants and Strawberries; Squirrel-tail Grass, or Wild Barley. Pp. 80.—Michigan State College Station: Dairy Records; Fattening Lambs.—New York Station: Comparative Field Test of Commercial Fertilizers used in raising Potatoes; Analysis of Commercial Fertilizers collected during the Spring of 1895.—Ohio Station: Experiments in Feeding for Beef; Subirrigation in the Greenhouse. United States Department: Forestry for Farmers. Maryland State Weather Service: Argon, by Ira Remsen; Atmospheric Temperatures during the Month of July, 1895, by W. F. R. Phillips; The Chesapeake Peninsula, by A. E. Acworth.—Bulletin of North Dakota Weather and Crop Service. University of Wisconsin Station: Pasteurization of Milk and Cream for Direct Consumption.

Ashhurst, John, Jr. The International Encyclopædia of Surgery. Vol. VII Supplement. New York: William Wood & Co. Pp. 1083.

Benjamin, Park. The Intellectual Rise in Electricity. New York: D. Appleton & Co. Pp. 611. $4.

Bonner, T. G. Charles Lyell and Modern Geology. New York and London: Macmillan & Co. Pp. 224. $1.25.

Bulletins, Catalogues, Reports, Reprints, etc. Agriculture, The Beginnings of. By W J McGee. From American Anthropologist. October, 1895.—Boston Society of Natural History, Proceedings. November, 1894, to May, 1895.—Chemistry, Short List of Books on. By H. Carrington Bolton. From Scientific American Supplement, No. 1033.—Chicago Drainage Canal, Contractors' Methods employed on. Pp. 72.—Cities and Towns, The Laying out of. By William Paul Gerhard. Lecture before the Franklin Institute, February 15, 1895.—Colgate University. Annual Catalogue. 1895-'96.—Cyanide Process, The. By George G. Turri. Echo Publishing Company, Victoria.—Diatoms, The Growth of. in Surface Water. By G. C. Whipple. From Technology Quarterly, Boston. Vol VII, No. 3.—Epileptics, State Provision for. By William F. Drewry. From Transactions of the Medical Society of Virginia, 1895.—Human Voice. The Limits of Pitch of. By W. Le Conte Stevens. From Physical Review, Vol. ni, No. 15. International Deep Waterways Association. First Annual Convention. Cleveland, September 24, 1895.—Japan Imperial University, Calendar of.—Jewish Training School, Chicago. Annual Report and Some Information regarding it.—Labor, Bulletin of Department of. No. 1. November, 1895. Washington, D. C.—Meriden Scientific Association, Transactions, 1895.—Natural Storage of Energy. By Lester F. Ward. Washington, D. C.—Philadelphia Academy of Natural Sciences, Proceedings of. April-September, 1895.—Princeton Contributions to Psych logy. Vol. I, No. 2.—Studies from the Psychological Laboratory; and Sensory Stimulation by Attention. By J. G. Hibben.—Reaction Time according to Race. By R. Meade Bache. From the Psychological Review, September, 1895.—Relations of the Industries to the Advancement of Chemical Science. By William McMurtrie. Address before the Chemical Section of the American Association. Springfield Meeting.—Rochester Academy of Science, Proceedings of. Pp. 289-348. 1895.—Royal Institution of Great Britain. The Physical Work of Von Helmholtz. By A. W. Rücker; The Structure and Function of the Horse's Foot. By Captain F. Smith; and The Radiant Heat from the Moon, during the Progress of an Eclipse. By the Earl of Rosse.—Social Philosophy, Contributions to Sociology and Cosmology. By Lester F. Ward. From the American Journal of Sociology, September, 1895.—Statistical Association of America, Quarterly Publication of. Boston December, 1894-March, 1895.—Tennessee State Board of Health Bulletins. October and November, 1895.—United States Commission of Fish and Fisheries. Report for Year ending June 30, 1893.

Campbell, Douglas Houghton, Ph. D. The Structure and Development of the Mosses and Ferns. Illustrated. London and New York: Macmillan & Co. Pp. 544. $4.50.

Crawford, P. Marion. Constantinople. Illustrated. New York: Charles Scribner's Sons. Pp. 79. $1.50.

Davis, William Morris. The Physical Geography of Southern New England. New York, Cincinnati, Chicago: American Book Company. No. 9, Vol. I, of National Geographic Monographs. 20 cents.

Dialect Notes. Part VIII. Published by the American Dialect Society. Pp. 357-402.

Grinnell, G. B. The Story of the Indian. New York: D. Appleton & Co. Pp. 270. $1.50.

Griswold, W. M. A Descriptive List of Books for the Young. Cambridge, Mass.: Published by the author. Pp. 175.

Hering, Prof. Ewald. On Memory and the Specific Energies of the Nervous System. Chicago: Open Court Publishing Company. Pp. 50.

Kerner von Marilaun, Anton. Translated by F. W. Oliver, with the Assistance of Marian Busk and Mary F. Ewart. The Natural History of Plants. Half Volumes III and IV. New York: Henry Holt & Co. Pp. 490.

Maryland, Climatology and Physical Features of. First Biennial Report of the Maryland State Weather Service for the Years 1892-'93. Pp. 140.

Mills, Wesley. The Psychic Development of Young Animals and its Physical Correlation. Transactions of the Royal Society of Canada. Pp. 62.

New Jersey Geological Survey. Annual Report for 1894. Pp. 308.

Remsen, Ira, and Randall, Wyatt. Chemical Experiments. New York: Henry Holt & Co. Pp. 150.

Sadtler. Samuel P. A Handbook of Industrial Organic Chemistry. Philadelphia and London: J. B. Lippincott Company. Pp. 537. $5.

Sedgwick, William T., and Wilson, Edmund B. An Introduction to General Biology. New York: Henry Holt & Co. Pp. 231.