The Mound-Builders. By J. P. Maclean. Illustrated. Cincinnati: Robert Clark & Co. 1879. Pp. 233, with Map. $1.50.
The Arctic Voyages of Adolf Erik Nordenskjöld, 1858-1879. With Illustrations and Maps. London: Macmillan & Co. 1579. Pp. 447. $4.50.
A Text-Book of Physiology. By M. Foster, M.D., F.R.S. With Illustrations. Third edition, revised. London; Macmillan & Co. 1879. Pp. 720. $3.50.
The Native Flowers and Ferns of the United States. By Thomas Mehan. Vol. I. Parts I. to VIII. Illustrated.
Insect Lives, or Born in Prison. By Julia P. Ballard. Cincinnati: Robert Clark & Co. 1879. Pp. 97. $1.
Electricity, as related to Medicine and Surgery. By A. D. Rockwell. M. D. New York William Wood & Co. 1879. Pp. 99. $1.
American Health Primers. The Throat and the Voice. By J. Soils Cohen, M.D. Pp. 159. The Summer and its Diseases. By James C Wilson, M.D. Pp. 100. Winter and its Dangers. By Hamilton Osgood, M.D. Pp. 160. Philadelphia: Lindsay & Blakiston. 1879. 50 cents each.
Report of the Geology of the Henry Mountain. By G. K. Gilbert. Washington: Government Printing-Office. 1877. Pp. 160. 5 Maps.
Report on the Lands of the Arid Region of the United Slates. With a more Detailed Account of the Lands of Utah. By J. W. Powell Second edition. Washington: Government Printing-Office. 1879. Pp. 195, with Maps.
A Dictionary of the German Terms used in Medicine. By George R. Cutter. M.D. New York: G. P. Putnam's Sous. 1879. Pp. 304. $3.
Protection of Forests a Necessity By S. v. Dorrien. New York: For sale by B. Westerman & Co. 1879. Pp. 33.
Labor-making Machinery. By Frederick Perry Powers New York: G. P. Putnam's Sons. 1880. 25 cents.
A Dictionary of Music and Musicians. Edited by George Grove. D.C.L. Vol. II, Part VIII. London and New York: Macmillan & Co. 1879. Per part, $1.25.
Brazilian Corals and Coral Reefs. By Richard Rathbun. Illustrated. Pp. 13. Reprinted from "The American Naturalist."
A List of Brazilian Echinoderms. By Richard Rathbun Pp. 20. From "Transactions of Connecticut Academy of Sciences."
On the Present Status of Passus Domesticus in America. By Dr. Elliott Coues. Pp. 18.
The Brush-System of Electric Lighting. By C. F. Brush, M.E. Cleveland: Wiseman & Harvey. 1879 Pp. 26.
Neurotomy, a Substitute for Enucleation. By Julian Chisholm. M.D. Richmond: J. W. Fergusson pront. 1879 Pp. 16.
The Geological and Natural History Survey of Minnesota. Seventh Annual Report for the Year 1878. Minneapolis: Johnson, Smith & Harrison. 1879.
Abuses in Medicine. A Lecture. By J. Logan M.D. etc. New York: National Printing Co. 1879. Pp. 47.
How the Geometrical Lines have their Counterparts in Music. By Isaac L. Rice. New York: Asa K. Butts. 1880. Pp. 31.
Unity Pulpit, Boston. Sermons of M. J. Savage: October 31 1879. "The Truth about Sunday"; November 7, 1879, "The Nature of Goodness"; November 21, 1879, "Life and Death"; November 28, 1879, "The Sense of Obligation." Boston: George H Ellis. $1.50 per year; 6 cents per copy.
Gaspard D. Coligny (Marquis de Chatillon). By Walter Besant, M.A. New York; G. P. Putnam's Sons. 1879. Pp. 232. $1.
Mechanics. By Robert Stawell Ball, F.R.S. New York: Henry Holt & Co. 1879. Pp. 170 60 cents.
On the Fertilization of Yucca. By Thomas Mehan. Reprint from "The North American Entomologist." Pp. 4. On Sex in Castanea Americana. By same. Pp. 2. The Law governing Sex. By same. Pp. 3.
"The Kansas Review," Collin Timmons, Editor. Vol. I., No. 1. Lawrence, Kansas, November. 1879. Monthly, 75 cents per annum; 10 cents per copy.
Quarterly Report of the Chief of the Bureau of Statistics relative to the Imports, Exports, Immigration, and Emigration of the United States, for Three Months ending; June 4, 1879. Washington: Government Printing-Office. Pp. 96.
Geological Survey of Alabama. Report of Progress of 1877 and 1878. By Eugene A. Smith, Ph.D. State Geologist. Montgomery, Alabama: Barrett & Brown. 1879.
Topographic. Hypsometric, and Meteorologic Report. By William Libbey, Jr., and W. W. McDonald, of the Princeton Scientific Expedition. Illustrated. New York. 1879. Pp. 83.
Investigations on Rainfall, Percolation, and Evaporation of Water from the Soil, Temperature of Soil and Air, etc., etc.. at the Massachusetts Agriculturist College, Amherst, Massachusetts. By Professor Levi Stockbridge. Boston: Rand, Avery & Co. 1879. Pp. 38.
American Science Series. Astronomy. By Simon Newcomb and Edward S. Holden. Henry Holt & Co. 512 pages. Price $2.50.
Education of the Color-Sense. — Though it is but a few years since general attention lias been directed to the subject of color blindness, the study of its phenomena has shown that there are two forms of the defect, not perhaps sharply separable, but nevertheless quite distinct. In one form there appears to be simply an imperfect or undeveloped sense of color, the power of distinguishing the different colors, though not wholly absent, being far below the normal. In the other form of the defect there is an entire inability to recognize one or more of the primary colors — that is, the blindness is complete so far as particular colors are concerned. Dr. Swan M. Burnett, surgeon in charge of the Ophthalmic Division of the Central Dispensary in Washington, in a short paper entitled "A Systematic Method for the Education of the Color-Sense in Children," expresses the opinion that cases of the first-mentioned