Evolution of the vertebral column : a contribution to the study of vertebrate phylogeny / Hans Gadow and [edited by] J. F. Gaskell, H. L. H. H. Green.

Includes bibliographical references and index.

Part I. General Morphology:
1. The axial skeleton;
2. Segmentation and resegmentation;
3. The composition of the standard vertebra;
4. The five ontogenetic and phylogenetic stages of the vertebral column;
5. Piiper's theory;
6. Chordacentra and arcocentra;
7. Further developments of the fundamental scheme;
8. The vertebral processes in the tetrapoda;
9. Articulation of the vertebrae;
10. Evolution of an occipital join;
11. The homologies of the atlas and second vertebra of the amphibia;
12. The nerve supply of the musculature of the tongue apparatus;
13. The first three vertebrae;
14. Ribs;

Part II. Systemic Morphology:
15. A classification of tetrapoda;
16. Pseudocentrous type;
17. Autocentrous type;
18. Notocentrous type;
19. The relationship of amphibia and reptilia;
20. The most primitive reptiles;
21. Cotylosauri;
22. Chelonia;
23. Pelycosauri;
24. The therapsida or theriodontia;
25. Procolophonidae;
26. Mammalia;
27. The sacro-caudal region of the mammalia;
28. Primitive sauromorpha of uncertain affinities;
29. Geckonidae;
30. Lacertae;
31. The pythonomorpha and ophidia;
32. 'Squamata';
33. The crocodilia and their permian and triassic forerunners; 34. Dinosauria and pterosauria;
35. Aves;
36. Ichthyosauria and sauropterygia;
Bibliography;
Index.

Originally published in 1933, this book is a culmination of a lifetime of research by Hans Friedrich Gadow into the evolution of the vertebrae.