TY  - BOOK
AU  - Wells, Martin John.
TI  - Lower animals
U1  - 592 WEL 
PY  - 1968///
CY  - London
PB  - Weidenfeld & Nicolson
KW  - Invertebrates
KW  - Behavior
KW  - Physiology
N1  - Includes bibliography
ER  -