TY  - BOOK
AU  - Mayr,Ernst,1904-
TI  - Populations, species, and evolution: an abridgment of Animal species and evolution
SN  - 0674690109
AV  - QH371 .M33 1970
U1  - 591.3/8 
PY  - 1970///
CY  - Cambridge, Mass.
PB  - Belknap Press of Harvard University Press
KW  - Animal species
KW  - Animals
KW  - Variation
KW  - Evolution (Biology)
N1  - 1963 ed. published under title: Animal species and evolution; Bibliography: p. 427-444
ER  -