TY  - BOOK
AU  - Darwin,Charles Robert
AU  - Stauffer,R.C.
TI  - Charles Darwin's natural selection: being the second part of his big speces book written from 1856 to 1858 
SN  - 0521201632 :
U1  - 575.0162 
PY  - 1975///
CY  - London
PB  - Cambridge University Press
KW  - Natural selection
KW  - Evolution (Biology)
N1  - Includes index; Bibliography: p. 588-629
ER  -