TY  - BOOK
AU  - Hanson,Earl D.
TI  - Animal diversity
T2  - Prentice-Hall foundations of modern biology series
AV  - QL50 .H32
U1  - 591.4 
PY  - 1961///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Zoology
KW  - Variation
KW  - Local
KW  - Phylogeny
KW  - Evolution
N1  - Includes bibliography
ER  -