THE 
DESCENT OF MAN, 
AND ?40 
SELECTION IN RELATION TO SEX. 
By CHARLES DARWIN, M.A., F.R.S., &c. 
IN TWO VOLUMES. — Vol. I. 
WITH ILLUSTRATIONS, 
LONDON: 
JOHN MURRAY, ALBEMARLE STREET. 
1871 . 
[The right of Translation is reserved 
