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THE POPULAR SCIENCE MONTHLY.

extreme of accuracy is not therefore sought, but only such a degree as to insure that the maximum accumulated error will be imperceptible upon the maps. The results are arranged in chapters by geographical groups, and as an introduction to each chapter there is given a description of the work, outlining the methods employed and instruments used. The groups into which the work is divided are roughly as follows: New England, the Middle Atlantic States, the Southern Appalachian Region, some of the North Middle States, the Black Hills of South Dakota, Aspen, Colorado, and portions of California, the plateau region of New Mexico and Arizona, Texas, Wyoming, Montana, Idaho, and Kansas. There are a number of triangulation maps which illustrate the work done in the various groups.

The second volume of Prof. Wiley's Principles and Practice of Agricultural Analysis (Chemical Publishing Company, Easton, Pa., $2) is devoted to fertilizers. In the first three divisions the determination of phosphoric acid, nitrogen, and potash is described, the official methods and a number of other processes being given in each case. The fourth and concluding part is devoted to the examination of miscellaneous fertilizers, some of mineral and others of organic origin. The general principles of fertilizer manufacture and application have been presented, in so far as they seemed to the author to throw light on the rational method of examination and analysis. A list of authorities cited is given at the end of each division of the volume, and there are seventeen figures of apparatus.


PUBLICATIONS RECEIVED.

Agricultural Experiment Stations. Michigan State Agricultural College: Farmers' Institutes, Winter, 1894-'95.—New Hampshire College: Agriculture and the Mechanic Arts; Agricultural College Extension; An Agricultural College at Home.—New York Station: Currants.—Ohio Station: The Grape-root Worm.—Purdue University Station: The Improvement of Unproductive Black Soils.—United States Department: North American Fauna, No. 10; Weather and Crop Service, Vol. V, No. 12.

Bailey, L. H. Plant Breeding. London and New York: Macmillan & Co. Pp. 293. $1.

Brittain, John. Teacher's Manual of Nature Lessons. St. John, N B.: J. and A. McMillan. Pp 115.

Bulletins, Catalogues, Reports, Reprints, etc. Academy of Natural Sciences of Philadelphia. Publications. Pp. 515-530.—American Chemical Society. Programme of Twelfth General Meeting, 1895. Boas, Herr Franz. Zur Anthropologie der Nordamerikanischen Indianer, aus den Verhandlungen der Berliner anthropologischen Gesellschaft.—Bruen, A. J. Our Charities, etc.—Call, R E. The Unionidæ of the Ohio River and The Strepomatidæ of the Falls of the Ohio. From Proceedings of the Indiana Academy of Science, No. 4, 1894.—Chicago Academy of Natural Sciences. Bulletin, Vol. II, No. 2. Outline of Now Classification of the Muricidæ; also Thirty-eighth Annual Report, 1895.—Fewkes, J. W. A Contribution to Ethnobotany. From American Anthropologist, January, 1896.—Field Columbian Museum. Publication 7, Vol. I, No. 2. On Certain Portions of the Skeleton of Protostega Gigas—Forbes, E. H. Epidote from Huntington, Mass., and The Optical Properties of Epidote. From American Journal of Science, Vol. F, 1896.-Geological Society of America. Bulletin, Vol. VII, pp. 31-94. Glacial Deposits of the Southwestern Alberta in the Vicinity of the Rocky Mountains, and Geographical Evolution of Cuba.—Guiteras, John, M. D. The United States and Cuba. Review of Documents relating to Intervention of the United States in Affairs of Spanish-American Colonies. Pp. 17.—Harvard College Astronomical Observatory. Report for Year ending September 30, 1895.—Hinsdale, Guy, M. D. Recent Measures for the Prevention and Treatment of Tuberculosis. From Transactions, American Climatological Association, for 1895.—Light Cars. Sheffield Car Company. Pp. 96.—Pyburn, Dr. George. The Responsibility of Men of Science in Relation to Social Problems.—Railways, Income Account of. Interstate Commerce Commission, Publication of.—Rotzell, W. B. Birds of Narburth, Pa., and Vicinity.—Seaman, William H. Relations of Chemistry to Education. Address of Retiring President of Chemical Society of Washington.—Simonds, Frederic W. Floating Sand. From American Geologist, Vol. XVII, January, 1896.—Smithsonian Institution. Proceedings of the United States National Museum, Vol. XVII, 1894.—Talmage, J. E. University of Utah. Notes concerning a Peculiarly Marked Sedimentary Rock from Vicinity of Glen Canyon, Arizona.—University of the State of New York. Report of Extension Department, 1894.—Ward, Lester F. Plutocracy and Paternalism. From Forum, November, 1895; and Sociology and Biology. From American Journal of Sociology, November, 1895.

Chavez, Ezeguiel A. Geografia Elemental. Paris and Mexico: Ch. Bouret. Pp. 79.

Chittenden, Hiram Martin. The Yellowstone National Park Illustrated. Cincinnati: The Robert Clarke Co. Pp. 397.

Columbian, The. Monthly. Illustrated. Pp. 90. 10 cents.

Cooke, M. C. Introduction to the Study of Fungi. London: Adam and Charles Black. New York: Macmillan & Co. Pp. 360. $3.50.

Curry, J. L. M. Difficulties connected with the Education of the Negro. Pp. 23. 25 cents.

Dall, William Healey. Alaska as it was and is. Bulletin of the Philosophical Society of Washington.

Douglas, James. Cantor Lectures on Recent American Methods and Appliances employed in the Metallurgy of Copper, Lead, Gold, and Silver. London: William Trounch. Pp. 41. 1s.

Drown, Thomas Messinger, Lehigh University. The Educational Value of Engineering Studies. Pp. 30.

Education, Report of Commissioner of, for the Year 1892-'93. Washington: Government Printing Office. Pp. 1224.

Glazebrook, R. T. Mechanics, an Elementary Text-book, Theoretical and Practical. New York: Macmillan & Co. Pp. 208. $2.25.