Doctrine of Evolution." It is a much less exhaustive and more popular treatise than Mr. Herbert Spencer's yet unfinished "System of Synthetic Philosophy," upon which it is mainly founded; but it embraces a wider range of subjects than is discussed by Mr. Spencer. Those who are familiar with Mr. Fiske's remarkable powers of exposition and grasp of thought will need no assurance as to the interest of the work, and to others we may say that it will undoubtedly be the most valuable introduction to modern scientific philosophy that has been yet produced. Mr, Fiske is expected to return from Europe about the last of June.
A Popular Key to the Birds, Reptiles, Batrachians, and Fishes of the Northern United States, east of the Mississippi River. By Prof. David S. Jordan, M.S., and Balfour H. Van Vleck. Appleton, Wis. 108 pages. Price, 75 cents in paper covers; $1.25 in flexible cloth.
This is a convenient pocket manual, designed to enable collectors readily to ascertain the names of the birds, reptiles, and fishes, occurring in the region indicated.
Diffractive Spectrum Photography. By Henry Draper, M. D. Pp. 9.
Notes on Microscopic Crystals, and Observations on Unionidæ. By Isaac Lea, LL. D. Pp. 24.
The Protoplasm Theory. By Edward Curtis, A. M., M. D. Pp. 23.
The Medical Colleges, the Medical Profession, and the Public. By Standford E. Chaillé, A. M., M. D. Pp. 24.
Materialism, its History and Influence on Society. By Dr. L. Büchner. New York: Asa K. Butts. Pp. 28.
The Essence of Religion. By Ludwig Feuerbach. New York: A. K. Butts. Pp. 75.
The Vermiculetes. By Josiah P. Cooke, Jr. Pp. 32.
Review of "Darwin on Expression." By Alexander Bain. London: Longmans, Green & Co. Pp. 18.
Transactions of the American Society of Civil Engineers. Pp. 50.
Seizing Books and Papers under the Revenue Laws. Published by the New York Chamber of Commerce. Pp. 56.
Report on the Incurable Insane in Illinois. By Fred. Wines. Pp. 11.
Community of Disease in Men and Other Animals. By W. Lauder Lindsay, M.D. Pp. 37.
Lecture on Buddhist Nihilism. By Max Müller. New York: A. K. Butts. Pp. 16.
Thirteenth Annual Report of the Brooklyn Park Commissioners. Pp. 47.
A Third Catalogue of Seventy-six New Double Stars. By S. W. Burnham, Esq. Pp. 14.
The Money Problem. By Henry Bronson. Pp. 28.
Bulletin of the Minnesota Academy of Natural Sciences. 1874. Pp. 150.
The Anatomical, Pathological, and Surgical Uses of Chloral. By W. W. Keen, M. D. Philadelphia: Lippincott, 1874. Pp. 19.
Epidemic Delusions. By Frederic R. Marvin, M. D. New York: Asa K. Butts. Pp. 28.
The Rules of Evidence, as applicable to the Credibility of History. By William Forsyth, Q. C., LL. D., M. P. London: Robert Hardwicke, 1874. Pp. 22.
Intellectual Culture. By Edward Palmer, M. D. Louisville, 1874. Pp. 20.
A Science Minister for England.—There is an agitation now going on in England for the appointment of a responsible government minister, whose duty it shall be to look after the interests of science and scientific research and education, and to take charge of the scientific institutions of the country. A writer in the Times, Colonel Strange, whose views are approved by Nature, calls attention to the fact that, though "there is more individual enterprise in England than in any country in the world," yet the English are being rapidly outstripped by other nations. At present, the various