Fig. 167. — Selected vertebra from the Eabbit. (From Marshall and 



Hurst.) 



I. First cervical vertebra, or atlas, from the dorsal surface. II. Second 

 cervical vertebra, or axis, from the right side. III. Fifth cervical vertebra; 

 anterior surface. IV. Fourth thoracic vertebra, from the right side. 



V. Fourth thoracic vertebra, and fourth pair of ribs ; anterior surface. 



VI. Second lumbar vertebra, from the right side. VII. Second lumbar vertebra ; 

 anterior surface. 



AP, anapophysis. AZ, anterior, or pre-zygapophysis. C. centrum. CE, epiphysis 

 of centrum. CJEt, cervical rib. PH, facet for capitulum or head of the fourth rib. 

 PH', facet for capitulum of the fifth rib. FO, facet for odontoid process. FT. 

 for tubercle of fourth rib. HP, hypapophysis. MP, metapophysis. NS, neural 

 spine, or spinous process. OP, odontoid process. PZ. post-zygapophysis. PC, 

 capitulum or head of rib. RP, process of rib for attachment of ligaments. RS, sternal 

 Portion of rib. RT, tubercle of rib. RV, vertebral portion of rib. S, sternum. TP, 

 transverse process. VA, vertebrarterial canal. Z, articular surface for axis vertebra. 



