viii Illustrations 



FIGURE PAGE 



15. ALLIGATOR SKINS ..... Facing 46 



1 6. ENTIRE SKELETON OF CROCODILE ... 50 



17. FIRST FOUR CERVICAL VERTEBRAE OF CROCO- 



DILE ....... 52 



1 8. THORACIC AND SACRAL VERTEBRA OF CROCO- 



DILE ....... 55 



19. DORSAL VIEW OF SKULL OF ALLIGATOR Facing 60 



20. VENTRAL VIEW OF SKULL OF ALLIGATOR . " 63 



20. A. LONGITUDINAL SECTION OF TOOTH OF 



CROCODILE . . . . . . " 66 



21. LATERAL VIEW OF SKULL OF ALLIGATOR . 69 



22. POSTERIOR VIEW OF SKULL OF ALLIGATOR Facing 70 



23. SAGITTAL SECTION OF THE SKULL OF ALLIGATOR 71 



24. DORSAL VIEW OF LOWER JAW OF ALLIGATOR Facing 74 



25. THE HYOID APPARATUS .... 77 



26. THE STERNUM AND THE ASSOCIATED MEM- 



BRANE BONES ..... 79 



27. THE PECTORAL GIRDLE AND ANTERIOR LIMB 82 



28. THE PELVIS AND SACRUM .... 85 



29. THE POSTERIOR LIMB ..... 87 



PLATE I. THE SHOULDER MUSCLES . .130 



PLATE II. THE MUSCLES OF THE ANTERIOR 



REGION .... Following 130 



