THE STUDY OF SOCIOLOGY. By Herbert Spencer. Crown 8vo. Price 5s.
ON THE CONSERVATION OF ENERGY. By Professor Balfour Stewart. Fourteen Engravings. Price 5s.
ANIMAL MECHANICS; or, Walking, Swimming, and Flying. By Dr. J. B. Pettigrew, M.D., F.R.S.
LIST OF AUTHORS AND SUBJECTS OF THEIR BOOKS,
TO BE PUBLISHED IN THE INTERNATIONAL SCIENTIFIC SERIES.
Dr. HENRY MAUDSLEY. Responsibility in Mental Disease.
Prof. E. J. MAREY. The Animal Frame.
Rev. M. J. BERKELEY, M.A., F.L.S., and M. COOKE, M.A., LL.D. Fungi; their Nature, Influences, and Uses.
Prof. OSCAR SCHMIDT. (University of Strasburg). The Theory of Descent and Darwinism.
Prof. W. KINGDOM CLIFFORD, M.A. The First Principles of the Exact Sciences explained to the non-mathematical.