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136 Byers. J. W., M. D., Charlotte, N. C. The Metschiiikovian Theory of Vital Resistance. Pp. 15.

Chamberlain, A. F. The Language of the Mississagas of Skūgog. Philadelphia: MacCalla &Co. Pp.84.

Church, Rev. A. J. Pictures from Roman Life and Story. New York: D. Appleton & Co. Pp. 314. $1.50.

Caldwell, G. C. Elements of Qualitative and Quantitative Chemical Analysis. Philadelphia: P. Blakiston, Son & Co. Pp. 175.

Day, David T. Report on Mineral Resources of the United States, 1889 and 1890. Washington: United States Geological Survey. Pp. 671. 50 cents.

Dobbin, Leonard, and Walker, James. Chemical Theory for Beginners. New York: Macmillan & Co. Pp. 210. 70 cents.

Fetter and Shober, Louisville, Ky. Fetter's Southern Magazine, September, 1892. Pp. 104. 25 cents, $2.50 a year.

Garner, R. L. The Speech of Monkeys. New York: Charles L. Webster & Co. Pp. 217.

Giffen, Robert. The Case against Bimetallism. New York: Macmillan & Co. Pp. 251.

Haskins, Caryl D. Transformers: their Theory, Construction, and Application, simplified. Lynn, Mass.: Rubier Publishing Co. Pp.150. $1.25.

Huston, H. A. Purdue University, Lafayette, Ind. Commercial Fertilizers. Pp. 14, with Chart.

James, Joseph F. The Preservation of Plants as Fossils. Pp. 4.

Japan, Imperial University of, Calendar for 1890-'91. Pp. 859.—Ditto for 1891-'92. Pp.274, with Charts.—Journal of the College of Science. Pp. 48, with Charts.

Johnson, Amy. Sunshine. New York: Macmillan A. Co. Pp. 502. $1.75.

Johnston, Richard Malcolm. Mr. Fortner's Marital Claims. New York: D. Appleton & Co. Pp. 182. Paper, 50 cents.

Jones, E. E. C. An Introduction to General Logic. London and New York: Longmans, Green & Co. Pp. 288. $1.50.

Kirby, W. F. Elementary Text-book of Entomology. New York: Macmillan & Co. Pp. 272, with 86 Plates. $3.

Koehler, S. R. White-line Engraving for Relief-printing in the Fifteenth and Sixteenth Centuries. Washington: United States National Museum. Pp. 16.

Lake Publishing Company, Toronto, Ont. The Lake Magazine, August, 1892 Pp. 64. 25 cents; $2.50 a year.

Leland, Charles G. Leather Work: a Practical Manual for Amateurs. New York: Macmillan & Co. Pp. 96. $1.50.

Merrill, G. P., and Packard, R. L. An Azure-blue Pyroxenic Rock from the Middle Gila, New Mexico. Pp 2.—On some Basic Eruptive Rocks in the Vicinity of Lewiston and Auburn, Maine. Pp. 9.

Millar, C. C. Hoyer. Florida. South Carolina, and Canadian Phosphates. New York: The Scientific Publishing Co. Pp.217. $2.50.

Peterson, Frederic, M. D. Wintering in Egypt. New York. Pp. 16.

Physical Education. July and August, 1892. Springfield, Mass.: The Triangle Publishing Co.

Psychical Research. Proceedings of the Society for. July, 1892. London. Pp. 220.

Poor, John Alfred and Laura Elizabeth. The First International Railway and the Colonization of New England. New York: G. P. Putnam's Sons. Pp. 400. $3.

Salters. William M. First Steps in Philosophy. Chicago: Charles H. Kerr & Co. Pp. 156. $1.

Schoenhof, Jacob. The Economy of High Wages. New York: G. P. Putnam's Sons. Pp. 414. $1.50.

Sidgwick. Alfred. Distinction and the Criticism of Beliefs. New York: Longmans, Green & Co. Pp. 279. $1.75.

Stevenson, Thomas, and Murphy, Shirley F. A Treatise on Hygiene and Public Health. Philadelphia: P. Blakiston, Son & Co. Pp. 1013.

Torrey, Bradford. The Foot-pathway. Boston and New York: Houghton, Mifflin & Co. Pp. 215. $1.25.

Town Topics, Tales from. New York: Town Topics Publishing Co. Pp.219. 50cents.

Ward, Lester F.. Washington, D. C. The Plant bearing Deposits of the American Trias.—Geological Correlation by Means of Fossil Plants.—The Science and Art of Government.—A National University. Pp. 6 in all.



Leather-splitting and Shoe-pegging Machines.—We have received from Mr. Charles H. Parker, of Billerica, Mass., an interesting statement of the claims of Mr. Samuel Parker, of that place, born in 1772, died in 1841, to be regarded as the inventor of the leather-splitting machine. Mr. Parker was the son of a tanner, and displayed considerable genius, which he applied in secret and in the face of many obstacles to the construction of his machine. To test its usefulness he experimented upon it with some leather from his father's tan-yard, and found to his great delight that it did the work it was invented for. A patent was granted to him for the invention, July 9, 1808. The original machine was burned with the tan-yard buildings about forty years ago. Mr. Rich, author of the article in the Monthly on leather-making, says that the historical statements concerning Mr. Parker's invention are correct, and that he probably did as much as any of the early workers in realizing the invention, and is to be credited as a pioneer. The case appears to be one of that numerous class in which many inventors contribute to the perfection of a machine, each furnishing his quota of suggestions for its better working, while the one who produces a machine recognized as practical and puts it on the market gets the credit and profit of the whole.—Mr. J. J. Greenough, of Fort McPherson, Atlanta, Ga., writes us to dispute the claim of A. C. Gallahue to be the inventor of the pegging machine. It appears from Mr. Greenough's letter that he was first to file an application for a patent on such a machine, in 1852, and Mr. Gallahue 