Chapter I: Introductory 1

II. EARLY DAYS 2
III. MEDICAL TRAINING 13
IV. VOYAGE OF THE "RATTLESNAKE" AND ITS SEQUEL 17
V. LEHRJAHRE 23
VI. VERACITY AND AGNOSTICISM 29
VII. CONTROVERSY AND THE BATTLE OF THE "ORIGIN" 37
VIII. PUBLIC SPEAKING AND LECTURES 43
IX. POPULAR EDUCATION 51
X. EDUCATION; ESPECIALLY OF TEACHERS AND WOMEN 60
XI. METHODS OF WORK 65
XII. SCIENCE AND ETHICS 72
XIII. MORALITY AND THE CHURCH 80
XIV. LIFE AND FRIENDSHIPS 84
XV. CHARLES DARWIN 92
XVI. HOOKER, FORBES, TYNDALL, SPENCER 100
XVII. IN THE FAMILY CIRCLE 111
XVIII. SOME LETTERS AND TABLE-TALK 117

ILLUSTRATIONS

PORTRAIT FROM A PHOTOGRAPH BY
ELLIOTT AND FRY _Frontispiece_

FROM A DAGUERROTYPE MADE IN 1846 _To face p._20

PORTRAIT FROM A PHOTOGRAPH BY
MAULL AND POLYBLANK, 1857 _To face p._44

PORTRAIT FROM A PHOTOGRAPH BY
DOWNEY, 1890 _To face p._102