Lower animals
Martin Wells.
- New York : World University Library, 1968.
- 256 p. : ill. (some col.). 20 cm.
- World university library .
Contents;
1. The simplest animals 2. Managing without brains 3. Muscles 4. Movement without limbs 5. The evolution of legs 6. Flight and the control of movement 7. Sense organs and movement 8. Learning in lower animals 9. A second co-ordinating system 10. An alternative solution 11. On being a parasite 12. The relationships of animals