Marine Biological Laboratory, at Woods Holl, Mass. Announcement for the Thirteenth Season. July 5 to August 16, 1900. Pp. 12. McKay, A. H., Halifax, Nova Scotia. Phenological Observations, Canada, 1898. Pp. 20. McKim, W. Duncan. Heredity and Human Progress. New York: G. P. Putnam's Sons. Pp. 283. $1.50. Michigan. Thirty-seventh Annual Report of the Secretary of the State Board of Agriculture, and Eleventh Annual Report of the Agricultural College Experiment Station. July 1, 1897, to June 30, 1898. Pp. 740. New York State Library Bulletin. (Legislation No. 11, January, 1900.) Albany. Pp. 395. 25 cents. Parker, T. Jaffrey, and Haswell, William A. A Manual of Zoölogy. Revised and adapted for the use of American Schools and Colleges. New York: The Macmillan Company. Pp. 163. $1.60. Peet, Stephen Denison. The Cliff-Dwellers and the Pueblos. Chicago: Office of the American Antiquarian. Pp. 398. Smithsonian Institution. List of Publications available for Distribution. December, 1899. Pp. 35. Sound Currency. October, 1899. Deposit Currency; the Effective Currency of Commercial Communities. Pp. 12. November, 1899. The Farmer's Interest in the Banking Question. Pp. 8. Both by L. Carroll Root. Spencer, Frank Clarence. Education of the Pueblo Child. A Study in Arrested Development. (Columbia University Contributions to Philosophy, Psychology, and Education. Vol. VII, No. 1.) New York: The Macmillan Company. Pp. 97. 75 cents. United States Commissioner of Education. Report for the Year 1897-'98. Vol. II. Containing Parts II and III. Pp. 2640. United States Commissioner of Fish and Fisheries. The Preservation of Fishery Products for Food. By Charles H. Stevenson. Pp. 570. United States Department of Labor. Bulletin No. 25. November, 1899. Foreign Labor Laws. Pp. 80. FOOTNOTES: [1] Lyell's Principles of Geology, eighth edition, p. 41. [2] Clarence King, American Journal of Science, pp. 45-51, 1893; Kelvin, Science, vol. ix, p. 665, 1899. [3] Science, vol. ix, p. 665, 1899. [4] Ibid., p. 889, and vols. x and xi, 1899. [5] Life and Letters of Sir Joseph Prestwich, pp. 124 _et seq._ [6] Critical Periods, etc., American Journal of Science, vol. xiv, p. 99, 1877; Bulletin of the Geological Department of the University of California, vol. i, No. 11, 1895. [7] Journal of Geology, vol. vi, p. 597, 1898, and vol. vii, p. 545, 1899.