EXPLANATION OP PLATE 9. 



Cymbospondylus />< trimis Leidy. 



From the Middle Triassic of West Huniboklt Range. Nevada. 

 All figures four-ninths of natural size. 



Fig. 1- Posterior dorsal vertebra, no. 9950. 

 Fig. 2. Posterior dorsal vertebra, no. 8128. 



Fi'. 3a and 36. Posterior dorsal vertebra, no. 8128, situated .somewhat farther back in tin- 

 series than the centrum represented by fig. 2. 

 3a, anterior view; 36, lateral view. 



Fig. 4. Anterior caudal vertebra, no. 9947. 



Fig. 5. Middle caudal vertebra, anterior to bend of tail, no. 9947. 



Fig. 6. Middle caudal vertebra, situated at the anterior end of caudal flexure, no. 9947. 



Fig. 7. Posterior caudal vertebra, situated at about the middle of the caudal flexure, no. 9947. 



Fig. Sa and 86. Posterior caudal vertebra, situated near the posterior end of the tail, no. 9947. 

 Sa, lateral view, with chevron ; 86, anterior view. 



[1741 



