Atkinson, George Francis. Elementary Botany. New York: Henry Holt & Co. Pp. 444. $1.25. Bulletins, Proceedings, and Reports. American Chemical Society: Directory. Pp. 551.--Field Columbian Museum, Chicago. Publication 28: Ruins of X Kichmook, Yucatan. By Edward H. Thompson. Pp. 16, with 18 plates.--Lake Mohonk Conference on International Arbitration: Report of the Fourth Annual Meeting, 1898. Pp. 116.--Maryland Geological Survey: Report on the Survey of the Boundary Line between Alleghany and Garrett Counties. By L. A. Bauer. Pp. 48, with 6 plates.--New York Academy of Sciences: Annals. Vol. X. Pp. 292, with 5 plates; Vol. XI, Part II. Pp. 168, with 20 plates.--Pennsylvania Society for the Prevention of Tuberculosis: Report for the Year ending April 13, 1898. Pp. 16.--The Philadelphia Museums: The Philadelphia Commercial Museum. Pp. 16.--United States Commissioner of Labor: Twelfth Annual Report, 1897. Economical Aspects of the Liquor Problem. Pp. 275.--University of Wisconsin: Bulletin No. 25. The Action of Solutions on the Sense of Taste. By Louis Kahlenberg. Pp. 82.--University of Chicago: Anthropology. III. The Mapa de Cuauhtlantzinco or Codice Campos. By Frederick Starr. Pp. 38, with plates.--University of Illinois: The New Requirements for Admission. By Stephen A. Forbes. Pp. 22. Bailey, L. H. Sketch of the Evolution of our Native Fruits. New York: The Macmillan Company. Pp. 472. $2. Beddard, Frank E. Elementary Zoölogy. New York: Longmans, Green & Co. Pp. 208. Brush, George J., and Penfield, Samuel L. Manual of Determinative Mineralogy, with an Introduction on Blowpipe Analysis. New York: John Wiley & Sons. Fifteenth edition. Pp. 312. Bryant, William M. Life, Death, and Immortality, with Kindred Essays. New York: The Baker & Taylor Company. Pp. 450. $1.75. Carborundum manufactured under the Acheson Patents. Illustrated Catalogue. Niagara Falls, N. Y.: The Carborundum Company. Pp. 61. Carnegie, The, Steel Company, Limited, Pittsburg. Ballistic Tests of Armor Plate. By W. R. Balsinger. Plates and letterpress descriptions. Dana, Edward Salisbury. A Text-Book of Mineralogy, with an Extended Treatise on Crystallography and Physical Mineralogy. New York: John Wiley & Sons. Pp. 593. $4. Darwin, George Howard. The Tides and Kindred Phenomena in the Solar System. Boston and New York: Houghton, Mifflin & Co. Pp. 378. $2. Giddings, Franklin Henry. The Elements of Sociology. New York: The Macmillan Company. Pp. 353. $1.10. Guerber. H. A. The Story of the English. American Book Company. Pp. 356. Hough, Romeyn B. The American Woods. Exhibited by Actual Specimens and with Copious Explanatory Text. Part I. Representing twenty-five species. Second edition. Lowville, N. Y.: The author. Pp. 78, text. James, William. Human Immortality. Two Supposed Objections to the Doctrine. Boston and New York: Houghton, Mifflin & Co. Pp. 70. $1.