Kunz, George F. The Fresh-Water Pearls and Pearl fisheries of the United States. United States Fish Commission. Pp. 52, with 22 plates. Le Bon, Gustave. The Psychology of Peoples. New York: The Macmillan Company. Pp. 236. $1.50. Miller, Adam. The Sun an Electric Light, Chicago. Pp. 32. Needham, James G. Outdoor Studies. A Reading Book of Nature Study. American Book Company. Pp. 90. Newth, G. S. A Manual of Chemical Analysis, Qualitative and Quantitative. New York: Longmans, Green & Co. Pp. 462. $1.75. Nipher, Francis E. An Introduction to Graphical Algebra. New York: H. Holt & Co. Pp. 61. 60 cents. Reprints. Gifford, John. Forestry on the Peninsula of Eastern Virginia. Pp. 3; Forestry in Relation to Physical Geography and Engineering. Pp. 19.--Hester, C. A. An Experimental Study of the Toxic Properties of Indol. Pp. 26, with tables.--Hoffmann, Fred. Fragmentary Notes from the Reports of Two Early Naturalists on North America. Pp. 18.--Johnson, J. B. A Higher Industrial and Commercial Education as an Essential Condition of our Future Material Prosperity. (An address.) Pp. 33.--Kain, Samuel W., and Others. Seismic and Oceanic Noises. Pp. 6.--Mayer, Hermann. Bows and Arrows in Central Brazil. Pp. 36, with plates.--Packard, Alpheus S. A Half Century of Evolution, with Special Reference to the Effect of Geological Changes on Animal Life. (Presidential address to American Association.) Pp. 48.--Rhees, William J. William Bower Taylor. Pp. 12.--Searcy, J. T., M. D. How Education fails. Pp. 81.--Shufeldt, R. W., M. D. On the Alternation of Sex in a Brood of Young Sparrow Hawks. Pp. 4.--Starr, Frederick. Notched Bones from Mexico. A Shell Inscription from Tula, Mexico. Pp. 10.--Woolman, Lewis. Report on Artesian Wells in New Jersey, etc. Pp. 84. Smithsonian Institution. United States National Museum. The Fishes of North and Middle America. By D. S. Jordan and B. W. Evermann. Part II. Pp. 942.--The Birds of the Kurile Islands. By Leonhard Stejneger. Pp. 28.--On the Coleopterous Insects of the Galapagos Islands. By Martin L. Linell. Pp. 20.--On Some New Parasitic Insects of the Subfamily Encystinæ. By L. O. Howard. Pp. 18.--Descriptions of the Species of Cycadeoidea, or Fossil Cycadean Trunks, thus far determined from the Lower Cretaceous Rim of the Black Hills. By Lester F. Ward. Pp. 36. Socialist, The, Almanac and Treasury of Facts. New York: Socialistic Co-operative Publishing Association. Prepared by Lucien Sanal. Pp. 232. (The People's Library. Quarterly. 60 cents a year.) Thompson, Ernest Seton. Wild Animals I have known, and Two Hundred Drawings. New York: Charles Scribner's Sons. Pp. 359. $2. Todd, Mabel Loomis. Corona and Coronet. Being a Narrative of the Amherst Eclipse Expedition to Japan, 1896, etc. Boston and New York: Houghton, Mifflin & Co. Pp 383. $2.50. Trowbridge, John. Philip's Experiments, or Physical Science at Home. New York: D. Appleton and Company. Pp. 228. $1.