THE 
descent op man, 
AND 
SELECTION IN RELATION TO SEX. 
By CHARLES DARWIN, M.A., P.R.S., &c. 
IN TWO VOLUMES.— Vol. II. 
WITH ILLUSTRATIONS. 
SEVENTH THOUSAND. 
LONDON: 
J OHN MURRAY, ALBEMARLE STREET. 
1871. 
[ The right of Translation is reserved .] 
