Massachusetts Agricultural College, Report for 1883. Boston: Wright & Potter Printing Company. Pp. 73.
Sanitary Drainage of Tenement-Houses. By William Paul Gerhard, C. E. Hartford: Cox, Lockwood, and Brainard Company. Pp. 40.
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Der freie Wehrman als Träger der darwinischen Sittlichkeit und sozial Reform. (The Free Warrior as a Pillar of Darwinian Morality and Social Reform.) By John H. Becker. Berlin.
Katy Neal: A Comedy of Child-Life. By Charles Bernard. New York: Harold Roorbach. Pp. 46. 15 cents.
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The Necessity of an Ambulance System in Chicago. By G. Frank Lydston, M.D. Chicago: A. G. Newell. Pp. 8.
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Geological Surrey of New Jersey, Report for 1883. By George U. Cook, State Geologist. Pp. 188.
Q. P. Index Annual, 1883. Bangor, Me.: Q. P. Index, Publisher. Pp. 86.
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The British Association.—The British Association will meet in its fifty-fourth annual session at Montreal, August 27th, under the presidency of Lord Rayleigh. The Vice-Presidents will be the Governor-General of Canada (Lord Lansdowne), Sir John A. Macdonald, Sir Lyon Playfair, Sir Alexander T. Gait, Sir Charles Tupper, Sir Narcisse Dorion, Hon. Dr. Chauveau, Principal J. W. Dawson, Professor Edward Frankland, Dr. W. H. Kingston, and Dr. T. Sterry Hunt. Professor A. W. Williamson will be General Treasurer; Captain Douglas Galton and A. G. Vernon Harcourt, General Secretaries; Professor T. G. Bonney, Secretary; L. E. Dawson, R. A. Ramsay, S. Rivard, S. C. Stevenson, and Thomas White, M.P., Local Secretaries; and Mr. F. Wolferstan Thomas, Local Treasurer. The Presidents of the Sections will be: A, Mathematical and Physical Science, Sir William Thomson; B, Chemical Science, Professor H. E. Roscoe; C, Ge-