EXPLANATION OF PLATE 8. 



Cymbospondylus ttilrlinm Leidy. 



From the Middle Tria.ssic of West Iluniholclt Range. Nevachi. 

 All figures four-nintlis oF natural si/e. 



Fig. la-Id. Atlas and axis. no. 9943. 



In, axis, inferior view, anterior face to right. 

 ll>. atlas, anterior view. 



Ir, atlas, superior view, anterior face to right. 

 Id, atlas, lateral view, anterior face to left. 



Fig. 2. Atlas and axis. no. 9154, superior view. 



Fig. 3. Atlas and axis, no. 9913, inferior view. 



Fig. 4. Upper arch of cervical vertebra, no. 9943, anterior view. 



Fig. 5. Atlas, lateral view, no. 9913, anterior face to right. 



Fig. 6. Axis, lateral view, no. 9950. 



Fig. 7fl-7c. Third cervical, no. 9950. 



la, lateral view; Ib, anterior view; 7r, upper arch. 



Fig. 8. Fifth cervical, no. 9950. 

 Fig. 9. Sixth cervical, no. 9950. 

 Fig. 10. Anterior dorsal, no. 9950. 

 Fig. 11. Middle dorsal, no. 9154. 

 Fig. 12. Middle dorsal, no. 8128. 



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