LIST OF ILLUSTRATIONS 



fig. PAGK 



Gulls on the Wing Frontispiece 



i. Skeleton of Hatteria Lizard 7 



2. Skeleton of Fowl 8 



3. Tibia and Fibula of Fowl 9 



4. Hand of (a) Lizard, (b) Chick 10 



5. (a) Sternum of Iguana, {6) Coracoid, Scapula, and 



Clavicle of Fowl 13 



6. Hind Foot of Hatteria Lizard *7 



7. (a) Two Vertebrae of Snake, {b) Two Neck-Verte- 



brae of Eagle 2 3 



8. Pelvis of {a) Lizard, (b) Bird 27 



9. Skull of Rhea viewed from below 3 2 



10. Side View of Skull of Rhea 33 



11. Part of Vertebral Column of Rabbit; showing 



Epiphyses 33 



12. Coracoid of Rhea with Rudimentary Precoracoid 34 



13. Head of Arch/eopteryx 35 



14. Wing of Arch/eopteryx 35 



15. Tail of Arch/eopteryx 3 6 



16. Vertebra of Hatteria Lizard 3 8 



17. (1) Pterodactyl, (2) Wing of Pterodactyl .... 44, 45 



18. Pterodactyl restored 47 



19. Dinosaur 5 1 



b 



