Jordan, David Starr. Lest we Forget (address to graduating class). Pp. 36.--Description of a Species of Fish (Mitsukurina owsteni) from Japan, the Type of a Distinct Family of Lamnoid Sharks. Pp. 8, with plates. Kindergarten. The, Review. Monthly. Springfield, Mass.: Milton Bradley Company. Pp. 64. $2 a year. Lambert, P. A. Differential and Integral Calculus; for Technical Schools and College. New York: The Macmillan Company. Pp.245. $1.50. Luce, W. B., Hingham Centre, Mass. Kites and Experiments in Aërial Photography. Pp.32. 25 cents. MacCurdy, George Grant, and Mohiliansky, Nicolas. Indices Ponderaux du Crane (Weight Indices of the Brain). Paris. Pp. 16. MacClure, Theodore R. A Quarter-Century of Public Health Work in Michigan. Lansing. Pp. 48. Mivart, St. George. The Groundwork of Science. A Study of Epistemology. New York: G. P. Putnam's Sons. Pp.328. $1.75. Musick, John R. Lights and Shadows of our War with Spain. New York: J. S. Ogilvie Publishing Company. Pp. 224. Muter, John. A Short Manual of Analytical Chemistry, Qualitative and Quantitative--Inorganic and Organic. Second American edition. Philadelphia: Blakiston's Son & Co. Pp. 228. $1.25. New Jersey, Geological Survey of. Annual Report of the State Geologist for 1897. Pp. 368. New World, The. A Quarterly Review of Religion, Ethics, and Theology. September, 1898. Boston: Houghton, Mifflin & Co. Pp. 200. 75 cents. $3 a year. New York State College of Forestry at Cornell University. Announcement. Pp. 40. Shufeldt, Dr. R. W. On the Alternation of Sex in a Brood of Young Sparrowhawks. Pp. 4. Smith. William B. Infinitesimal Analysis. Vol. I. Elementary; Real Variables. New York. The Macmillan Company. Pp. 852. $3.25. Thomson, J. J. The Discharge of Electricity through Gases. New York: Charles Scribner's Sons. Pp.203. $1. University of Tennessee Record. Knoxville. Pp.80. Venable, F. P., and Howe, J. L. Inorganic Chemistry according to the Periodic Law. Easton, Pa.: The Chemical Publishing Company. Pp.266. $1.50. Wilson, L. L. W. History Reader for Elementary Schools. New York: The Macmillan Company. Pp. 403. 60 cents. Wright, Mabel Osgood, and Chapman, Frank M. Four-footed Americans and their Kin. New York: The Macmillan Company. Pp. 432. $1.50. FOOTNOTES: [15] Practical Plant Physiology. An Introduction to Original Research for Students and Teachers of Natural Science, Medicine, Agriculture, and Forestry. By Dr. W. Detmer. Translated from the second German edition by S. A. Moor. London: Swan, Sonnenschein & Co. New York: The Macmillan Company. Pp. 555. Price, $3. [16] The Sphere of Science. By Frank Sargent Hoffman, Ph. D. New York: G. P. Putnam's Sons. Pp. 268. Price, $1.50. [17] A Text-Book of Geodetic Astronomy. By John F. Hayford. New York: John Wiley & Sons. Pp. 851, with plates.