CHAP.

PAGE

1.

FOREWORD

1

-II.

III.

THE ANCESTRY OF FRANCIS. GALTON

CHILDHOOD ' AND BOYHOOD

62

V.

LEHRJAHRE AND WANDERJAIIRE.

Part I. Medical Studies and the Flight to Constantinople

92

V.

LEHRJAHRE AND WANDERJAHRE.

Part II. Mathematical Studies and Cambridge Pleasures

140

YL

FALLOW YEARS, 1844-1849 .

196

VII.

THE REAWAKENING : SCIENTIFIC EXPLORATION

211