Prof. H. Saint-Claire Deville, An Introduction to General Chemistry.
Prof. Wurtz, Atoms and the Atomic Theory.
Prof. De Quatrefages, The Human Race.
Prof. Lacaze-Duthiers, Zoölogy since Cuvier.
Prof. Berthelot, Chemical Synthesis.
Prof. C. A. Young, Ph. D. (of Dartmouth College), The Sun.
Prof. Ogden N. Rood, (Columbia College, New York), Modern Chromatics and its Relations to Art and Industry.
Dr. Eugene Lommel (University of Erlangen), The Nature of Light.
Prof. J. Rosenthal, General Physiology of Muscles and Nerves.
Prof. James D. Dana, M. A., LL. D., On Cephalization; or, Head-Characters in the Gradation and Progress of Life.