AND PHYSIOLOGY. 



87 



usually of four, but vary from one to nine, and as in man, 

 are almost always consolidated. The Caudal vary exceed- 

 ingly in number, sometimes amounting to forty-six. When 

 of this number, they gradually dwindle away towards the ex- 

 tremity of the tail, and lose the characteristics of vertebra 

 and become mere ossicles or bits of bone. 



193. On what Length of Neck depends. — Hence we see 

 that the length of the neck in quadrupeds does not depend 

 on the number, but on the length of vertebrae, since the Cam- 

 eleopard (Fig. 97), 



Skeleton of Cameleopard. C. Cervical Vertebra. D. Dorsal Vertebrae. Z. Lumbar 

 Vertebra. & Sacral Vertebra, cd. Caudal Vertebra. 51. Scapula. 53. Humerus. 

 54. Ulna. 55. Radius. 56. Carpal Bones. 57. Metacarpus. Hi. and iv. Phalanges. 62. Inno- 

 minatum. 64 and 65. Femur. 66'. Patella. 66. Tibia. 6T and 68. Tarsus. 69. Metatarsus. 



