98 



Edwin Cliapin Starks. 



enlarged but is in the form of a small ovate foramen. The spur 

 of the zygopophysis is carried out with the haemal arch and projects 

 in front of it as it does when in the normal position on the surface of 

 the vertebra. The spur disappears on about the third from the last 

 abdominal vertebra, and in front of this the haemal arch is open 

 above so that the tip of the process is forked; each fork being now 



A 



^7 



V 



'1>' 



A' 



Fig. 2. — Vebtebkae of Auxis. 



A. Lateral view of 17th abdominal vertebra. 

 A' Front view of the same. 



B. Lateral view from the 1st to the 5th caudal vertebrae. 

 B'. Front view of the 1st caudal vertebra. 



B". Front view of the fifth caudal vertebra. 



iz., inferior zygopophysis. 



p., parapophysis. 



r., rib. 



he, hfemal canal. 



the homolog of a parapophysis. The process or pedicle holds its 

 length to about the middle of the abdominal cavity, anterior to which 

 it gradually grows shorter and disappears on the eighth abdominal 

 vertebra. There are no parapophyses present that are not anchylosed 

 with their fellows of the opposite side at the base. When the antero- 



