GENERAL CHAEACTEES OF THE VEKTEBEATA. 221 



ticulated " together. Also arising from the neural arches at their 

 junction with the body of the veitebra, there may be two lateral 

 processes (d) which are called " transverse processes." This is Jie 



Fig. l.OS.— .i, Vcrtelji-a (luiiiliar) of a Wlialc : c Centrum nr lici.ly; n Neural ari'hes ; 

 s 8]jiiiims process ; a Articular process ; d Trans;'erse ]irocesses. B, Tlmracic seg- 

 ment or vertebra : c Centrum of vertebra; n Neural arclies, enclosing tlie canal for 

 the spinal cord ; s Spinous process ; r Ribs ; p Costal cartilages ; h Breastbone or 

 sternum. (After Owen.) 



ordinary structure of the verteliiu of a Maranial, and the names 

 here used are those applied to the parts of the vertebra in human 



Fig. 150. — Skeleton of an Armadillo, showing the regions of the vertebral column, 

 c Cej-^'ical region; d Dorsal region; I Lumbar region; s Sacral region; t Caudal 

 region or tail. 



anatomy. In com]>arative anatomy, however, these parts have 

 proper technical names which can lie employed for them in all ani- 

 mals alike. 



