Lagrange, Joseph Louis. Lectures on Elementary Mathematics. Translated by T.J. McCormick. Chicago: Open Court Publishing Company. Pp. 172. $1. Loomis, Ernest. Practical Occultism. Chicago: Ernest Loomis & Co., 70 Dearborn Street. Pp. 155. $1.25. Merrill, G.P. The Physical, Chemical, and Economic Properties of Building Stones. Baltimore: Johns Hopkins Press. Pp. 80. National Pure Food and Drug Congress: Memorial to Congress against Adulterations. Pp. 15. Owen, Luella A. Cave Regions of the Ozark and Black Hills. Cincinnati: The Editor Publishing Company. Pp. 228. Payson, E.P. Suggestions toward an Applied Science of Sociology. New York: G.P. Putnam's Sons. Pp. 237. Reprints. Baldwin, J. Mark. Princeton Contributions to Psychology, Vol. II, No. 4, May, 1898. Pp. 32.--Brinton, Daniel G. The Linguistic Cartography of the Chaco Region. Pp. 30.--Gerhard, William Paul. Theater Sanitation. Pp. 15.--Kuh, Sydney, M.D. The Medico-Legal Aspects of Hypnotism. Pp. 12.--McBride, T.H. Public Parks for Iowa Towns. Pp. 8.--Macmillan, Conway. On the Formation of Circular Muskeag in Tamarack Swamps. Pp. 8, with 3 plates.--Smith, J.P. The Development of Lytoceras and Phylloceras. San Francisco. Pp. 24, with plates.--Stuver, E., M.D. What Influence do Stimulants and Narcotics exert on the Development of the Child? Chicago. Pp. 20.--Turner, H.W. Notes on Some Igneous, Metamorphic, and Sedimentary Rocks of the Coast Ranges of California. Chicago. Pp. 16.--Washburn, F.L., Eugene, Ore. Continuation of Experiment in Propagating Oysters on the Oregon Coast, Summer of 1898. Pp. 5. Spencer, Herbert, The Principles of Biology. Revised and enlarged edition, 1898. Vol. I. New York: D. Appleton and Company. Pp. 706. $2. Winthrop, Alice Worthington. Diet in Illness and Convalescence. New York: Harper & Brothers. Pp. 287. United States Geological Survey. The Kaolins and Fire Clays of Europe, and the Clay-working Industry of the United States in 1897. By Heinrich Ries. Pp. 114; Bulletin No. 150. The Educational Series of Rock Specimens collected and distributed by the Survey. By J.S. Diller. Pp. 400; No. 151. The Lower Cretaceous Gryphæas of the Texas Region. By R.T. Hill and T.W. Vaughan. Pp. 139, with plates; No. 152. Catalogue of the Cretaceous and Tertiary Plants of North America. By F.H. Knowlton. Pp. 247; No. 153. A Bibliographical Index of North American Carboniferous Invertebrates. By Stuart Weller. Pp. 653; No. 154. A Gazetteer of Kansas. By Henry Gannett. Pp. 246; No. 155. Earthquakes in California in 1896 and 1897. By C.D. Perrine Pp. 18; No. 156. Bibliography and Index of North American Geology, Paleontology, Petrology, and Mineralogy for 1897. By F.B. Weeks. Pp. 130. United States National Museum. Bean, Barton A. Notes on the Capture of Rare Fishes. Pp. 2.--Bean, Tarleton H. and Barton A. Notes on Oxycoltus Acuticeps (Gilbert) from Sitka and Kadiak, Alaska. Pp 2.--Lucas, F.A. A New Snake from the Eocene of Alabama. Pp. 2, with 2 plates. FOOTNOTES: