ch. 1. Introduction -- ch. 2. The class aves within vertebrate zoology -- ch. 3. Integumentary system of vertebrates -- ch. 4. Comparative reproductive systems in vertebrates -- ch. 5. The respiratory anatomy of vertebrates -- ch. 6. Behavioural ecology for animals -- ch. 7. Reproductive processes across animal species -- ch. 8. Mammals: A study in vertebrate zoology -- ch. 9. Zoology of vertebrate chordates.