Byrd, Mary E. Laboratory Manual in Astronomy. Boston: Ginn & Co. Pp. 273. Cajori, Florian. A History of Physics in its Elementary Branches, including the Evolution of Physical Laboratories. New York: The Macmillan Company. Pp. 323. $1.60. Callie, J. W. S. John Smith's Reply to "Merrie England, Defense of the Liberal Programme." London: John Heywood. Pp. 88. Sixpence. Chapman, Frank H., Editor. Bird Lore. February, 1898, Vol. I, No. 1. Bimonthly. New York: The Macmillan Company. Pp. 32. 20 cents. $1 a year. Davenport, Charles B. Experimental Morphology. Part II. New York: The Macmillan Company. Pp. 509. $2. Evans, A. H. Birds (The Cambridge Natural History, edited by S. F. Harmer and A. E. Shipley, Vol. IX). New York: The Macmillan Company. Pp. 635. $3.50. Egbert, Seneca. A Manual of Hygiene and Sanitation. Philadelphia: Lea Brothers & Co. Pp. 368. Foulke, William Dudley. Slav or Saxon: a Study of the Growth and Tendencies of Russian Civilization. New York: G. P. Putnam's Sons. Pp. 141. $1. Huntington, Elon. The Earth's Rotation and its Interior Heat. Pp. 33. Janes, Lewis G. Our Nation's Peril. Social Ideas and Social Progress. Pp. 31. 25 cents. McLellan, J. A., and Ames, A. F. The Public School Mental Arithmetic. New York: The Macmillan Company. Pp. 138. 25 cents. Boston: James H. West & Co. Maltbie, Milo Ray. Municipal Functions. A Study of the Development, Scope, and Tendency of Municipal Socialism. (Municipal Affairs, December, 1898.) New York: Reform Club, Committee of Municipal Administration. Pp. 230. 75 cents. Mason, Hon. William E. Speech in the United States Senate on the Government of Foreign Peoples. Pp. 26. Patten, Simon N. The Development of English Thought. New York: The Macmillan Company. Pp. 415. $3. Pittsburg Press Almanac, The, for 1899. Quarterly. St. Louis: The Press Publishing Company. Pp. 536. Récéjac, E. Essay on the Basis of the Mystic Knowledge. Translated by Sera Carr Upton. New York: Charles Scribner's Sons. Pp. 287. $2.50.