Prof. A. C. Ramsay, LL. D., F.R.S., Earth Sculpture: Hills, Valleys, Mountains, Plains, Rivers, Lakes; how they were produced, and how they have been destroyed.
Prof. Rudolph Virchow (Berlin University), Morbid Physiological Action.
Prof. Claude Bernard, Physical and Metaphysical Phenomena of life.
Prof. H. Sainte-claire Deville, An Introduction to General Chemistry.
Prof. Wurtz, Atoms and the Atomic Theory.
Prof. De Quatrefages, The Negro Races.
Prof. Lacaze-Duthiers, Zoology since Cuvier.
Prof. Berthelot, Chemical Synthesis.
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.