Prof. Wm. Odling, F. R. S., The Old Chemistry viewed from the New Stand-point.
W. Lauder Lindsay, M. D., F. R. S. E., Mind in the Lower Animals.
Sir John Lubbock, Bart., F. R. S., On Ants and Bees.
Prof. W. T. Thiselton Dyer, B. A., B. Sc., Form and Habit in Flowering Plants.
Mr. J. N. Lockyer, F. R. S., Spectrum Analysis.
Prof. Michael Foster, M. D., Protoplasm and the Cell Theory.
H. Charlton Bastian, M. D., F. R. S., The Brain as an Organ of Mind.
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, History of the Theories of Life.