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establish a connection between the Kindergarten and the public schools. The present book is the first fruits of his efforts in this direction, and aims to make the principles of Froebel applicable to primary schools.

Report on the Geology of the Henry Mountains. By G. K. Gilbert. Washington: Government Printing-Office. Pp. 170, with full-page Engravings and Photographs.

The author expresses a considerable degree of satisfaction at the manner in which his work in the survey of these mountains has been accomplished. He had his own way in conducting it, and pursued it under circumstances of exceptional advantage, with the result that, he says, "so thorough was the display [of the formations], and so satisfactory the examination, that, in preparing my report, I have felt less than ever before the desire to revisit the field and prove my conclusions by more extended observation." The Henry Mountains are not a range, and have no trend, but are simply a group of five individual mountains, separated by low passes, and-without discernible system of arrangement, situated in Southern Utah, on the right bank of the Colorado River of the West, and between its tributaries, the Fremont and the Escalente. The highest peaks rise about 5,000 feet above the plateau at their base, and 11,000 feet above the level of the ocean. At the time of their discovery by Professor Powell they were in the center of the largest unexplored district in the United States; and they are in a desert country that has hardly any economic value.

A Bibliography of Fossil Insects. By Samuel H. Scudder. Pp. 48.

This work forms one of the series of the "Catalogue of the Library of Harvard University," and is one of the first formal attempts to collect separately the titles of papers on fossil insects. It shows the results of great labor, for it gives not only the titles of books and papers on the subject, but also a very large number of references to works and essays in which fossil insects are only referred to, or form one among other topics of equal prominence, which are touched upon in the course of a chapter, essay, or book, and in all the principal languages of science. Except when otherwise stated, all the papers quoted have been examined by the author personally.

Tables for the Determination, Description, and Classification of Minerals. By James C. Foye, Ph. D., Professor in Lawrence University. Chicago: Jansen, McClurg & Co. Pp. 85. Price, $1.

The object of this work is to furnish tables by means of which students may, with as few easy tests as possible, learn to determine and classify minerals found in the United States, and become familiar with their principal characteristics. Two tables serve for the determination of species; a third gives the crystalline structure and other distinctive characteristics of each species; a fourth classifies the species according to "Dana's Mineralogy"; and a fifth classifies by basic elements and ores. The appendix gives the distinctions between some of the closely allied species and varieties. A great deal of information is compressed into a small space.




The Little Mountains East of the Catskills. By W. M. Davis. Pp. 33. With Plate.

Scientific Proceedings of the Ohio Mechanics' Institute. Vol. I. No. 2. Cincinnati, May, 1882. Pp. 50.

Clinical Contributions to Electrical Therapeutics. By Romaine J. Curtiss, M. D. Joliet, Illinois. Pp. 52.

Quarterly Report of the Bureau of Statistics for Three Months ended March 31, 1882. Washington: Government Printing-Office. Pp. 96.

Note on the Aurora of April 16-17, 1882. By H. Carvill Lewis. Pp. 9. Illustrated.

Proceedings of the National Association for the Protection of the Insane and the Prevention of Insanity. New York: G. P. Putnam's Sons. 1882. Pp. 55.

Missouri Historical Society. Publication No. 6. Archaeology of Missouri. By F. H. Balder. St. Louis, Missouri. Pp. 17.

A New Theory of the Suspension System, with Stiffening Truss. By A. Jay DuBois, Ph.D. Pp. 43.

Indian Languages of the Pacific States and Territories, and of the Pueblos of New Mexico. By Albert S. Gatschet. New York: A. S. Barnes & Co. 1882. Pp. 10.

Preventing Disease. By J. R. Black, M. D. Newark, Ohio. Pp. 17.

Charles Robert Darwin. By Joseph F. James. Read before the Cincinnati Society of Natural History, May 2, 1882. Pp. 7.

A Bill regulating Rates of Postage. Boston: Alfred Mudge & Son, Printers. 1882. Pp. 9.

The Student's Guide in Quantitative Analysis. By H. Carrington Bolton, Ph. D. Illustrated. New York: John Wiley & Sons. 1882. Pp. 127. $1.50.