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278 A monograph on The Humming-Birds, forming part of the Report of the National Museum, for 1890, has been prepared by Robert Ridgway. It comprises a general zoölogical account of this group of birds, followed by descriptions of the several species found in the United States. The text is illustrated by forty-six plates and about fifty cuts.

An ingenious system of writing, signaling, and cryptography, to which he has given the name Cosmography, is described in a small pamphlet by 'Charles G. Burke (124 Nassau Street, New York). On a scale of three horizontal lines, using a dot, two slanting and one vertical marks, any language having not more than twenty-eight letters may be written in cosmography. The dot and three marks, if placed below the first line of the scale, stand for a, d, e, and b respectively; if on the first line, they stand for e, h, g, and f, and so on. In telegraphing, one, two, three, and four dots may take the place of the characters, and one, two, and three dashes may indicate the lines. An instrument consisting of a lettered dial with arms, called the "cosmograph," embodies the system in a mechanical form.

The First Book of Electricity and Magnetism (Macmillan & Co.) is designed to precede the usual elementary text-books in this study. The author, W. Perren Maycock, has felt the need as a teacher of interesting beginners, who are often discouraged by technical language. The subject of the magnet is entered upon at once; the explanations are clear, simple, and fully illustrated. Other divisions of the work besides magnetism are: electricity in motion, and electricity at rest. An index, list of apparatus, and blank pages for notes are furnished, as well as questions for teachers.



Atkinson, Edward. Taxation and Work. G. P. Putnam's Sons. Pp. 296. $1.25.

Brannan, J. W., M. D., and Cheeseman, T. M., M. D. A Study of Typhus Fever. New York. Pp. 15.

Brooklyn Ethical Association. Man and the State. Studies in Applied Sociology. New York: D. Appleton & Co. Pp. 558. $2.

Brooklyn Institute of Arts and Sciences. Prospectus for 1892-'93. Pp. 40.

Bryant, William M. A Syllabus of Psychology. Chicago: S. C. Griggs & Co. Pp. 60. 25 cents.

Bubier, E. T., 2d, Editor. Questions and Answers about Electricity. Lynn, Mass.: Bubier Publishing Company. Pp. 100. 50 cents. New York: D. Van Nostrand & Co.

Chadwick, Rev. John W. Education as related to Citizenship. D. Appleton & Co. Pp. 24. 10 cents.

The College Fraternity. E. H. L. Randolph, Editor. New York: Fraternity Publishing Co. Monthly. Pp. 82. 25 cents. $2 a year.

Daudet, Alpbonse. L'Evangeliste. Translated by Mary Neal Sherwood. New York and Chicago: F. T. Neely. Pp. 304. 50 cents.

Day, David T. Mineral Resources of the United States. U. S. Geological Survey. Pp. 671.

De Varigny, Henry. Experimental Evolution. Macmillan & Co. Pp. 270. $1.50.

Dobbin, Leonard, and Walker, James. Chemical Theory for Beginners. Macmillan & Co. Pp. 240. 70 cents.

Drake, Jeanie. In Old St. Stephen's. D. Appleton & Co. Pp. 232. 50 cents.

Dumble, E. T.. State Geologist. Third Annual Report of the Geological Survey of Texas. Austin. Pp. 410, with Maps.

Emerson, James, Willimantic, Mass. Treatise relative to the Testing of Water-wheels and Machinery. Pp. 480. $1.

Fallon, W. H., and Hobbs, E. C. Report of the North Dakota Weather Service for July, 1892. Bismarck. Pp. 16.

Fay, Joseph Story. The Track of the Norseman. Pp. 7.

Fouillée, Alfred. Education from a National Standpoint. D. Appleton & Co. Pp. 332. $1.50.

Harrington, Mark. Report of the Chief of the Weather Bureau for 1891. Washington. Pp.100.

Hay, O. P. On the Ejection of Blood from the Eyes of Horned Toads. Pp. 10.—On the Breeding Habits, etc., of Certain Snakes. Pp. 13.

Hilgard, E. W. A Report on the Relations of Soil to Climate. Washington: Weather Bureau. Pp. 59.

Hinton, John. Rest and Pain. Macmillan & Co. Pp. 514. $2.

Horr, Hon. Roswell G. The Republican Party. D. Appleton & Co. Pp. 16. 10 cents.

Howard, L. O. Insects of the Sub-family Encyrtinæ with Branched Antennæ. U. S. National Museum. Pp. 9, with Plates.

Humphry, J. E. Amherst Trees: An Aid to their Study. Amherst, Mass.: Carpenter & Morehouse. Pp. 78.—Fungous Diseases and their Remedies. Boston: Rockwell & Churchill. Pp. 16.

Ingersoll, Andrew J. Christology. Pp. 16.

James, Joseph P., Cincinnati. Paleontology of the Cincinnati Group. Part III. Pp. 16.

Jordan, David Starr. Evolution. Syllabus of Lectures. Alameda, Cal. Pp. 16.

Keen, W. W., M. D. Resection of the Liver. Pp.5.

Kimball, Rev. John C. Moral Questions in Politics. D. Appleton & Co. Pp. 38. 10 cents.

Lawrence, Judge William. The American Wool Interest. New York: American Protective Tariff League. Pp. 64. 6 cents.

Le Conte. Joseph. The Race Problem in the South. D. Appleton & Co. Pp. 56. 10 cents.

Lodge, Oliver J. Lightning Conductors and Lightning Guards. Macmillan & Co. Pp. 544. $2.

McDonald, Marshall, U. S. Fish Commissioner. Report respecting the Establishment of Fish-cultural Stations in the Rocky Mountain Region and Gulf States. Washington. Pp. 88, with Plates.

Maclean, John. The Destiny of the Human Race. Port Arthur, Ont. Pp. 20.

Mahan, Captain E. T. Admiral Farragut. D. Appleton & Co. Pp. 333, with Portrait and Maps. $1.25.