By R. T. Glazebrook, F.R.S., Fellow of Trinity College, Cambridge.
Charles Lyell: his Life and Work.
By Rev. Professor T. G. Bonney, F.R.S.
Humphry Davy.
By T. E. Thorpe, F.R.S., Principal Chemist of the Government Laboratories.
Pasteur: his Life and Work.
By Armand Ruffer, Director of the British Institute of Preventive Medicine.
Charles Darwin and the Origin of Species.
By Edward B. Poulton, M.A., F.R.S., Hope Professor of Zoology in the University of Oxford.
Hermann von Helmholtz.