EO ne es 
re : . 5 é 
ee SE See ae NT ES, ae ee ee eee See 
CONTENTS. 
V. Szeconp Journey in Evrorr. — CorrEsPONDENCE. ws 
1850-1859 .. er ee es 
VI. Lerrers ro Darwin anv Orners. 1860-1868 . 454 
VIL. Travet in Evrorr anp America. 1868-1880 . . 565 
VIL. Finan Journeys Anp Work. 1880-1888... = 10 
Nore on THe Innusrrations. The “ara portrait of Dr. 
a ea facing page 614, is from a photograph taken for 
ork. 
