HORSE AND MAN. 



' sacral.' They are fused together, and are termed 

 the ' sacrum.' To this portion of the spine the hip, 

 or ' pelvic,' bones are attached. 



OF NECK. 



Lastly, come the vertebras of the tail, or ' caudal ' 

 vertebras. These are rather variable in number, but 

 on the average are fifteen. 



