j Neural spine. 

 \%& Neurapophysis. 

 [ 1 Diapophysis. 

 | Centrum. 

 [OJ] Parapophysis. 

 $g Pleurapophysis 

 Ha-majiophysis. 

 ^^ n;mal spine. 

 H Appendage. 



FlG. 6. The Archetype of the 

 Vertebrate Skeleton. (After 

 Owen.) 



\J 



