Prof. T. H. Huxley, LL.D., F.R.S. Bodily Motion and Consciousness.

Dr. W. B. Carpenter, LL.D., F.R.S. The Physical Geography of the Sea.

Prof. William Odling, F.R.S. The Old Chemistry viewed from the New Standpoint.

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.