TY  - BOOK
AU  - Hanson,Earl D.
TI  - Animal diversity.
T2  - Foundations of modern biology series
U1  - 591.38 
PY  - 1964/// [1970]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Animals
KW  - Variation
KW  - Evolution
KW  - Phylogeny
N1  - Includes index
ER  -