ILLUSTRATIONS
PAGE
[Frontispiece] THOMAS HENRY HUXLEY
From a photograph by London Stereoscopic Company
[64]THOMAS HENRY HUXLEY, 1857
Reproduced by permission from "Natural Science," vol. vii., No. 42
[98]SIR JOSEPH DALTON HOOKER
From a photograph by Elliott and Fry, London
[146]CHARLES DARWIN
From the painting by Hon. John Collier in the National Portrait Gallery
[236]SIR CHARLES LYELL
From a photograph by London Stereoscopic Company
[276]CARICATURE OF HUXLEY DRAWN BY HIMSELF
Reproduced by permission from "Natural Science," vol. vii., No. 46.
