PLATE CCI 



Caudal Vertebrae of the Type of Brontops robustus Marsh 



Plate prepared under the direction of Professor Marsh. One-fourth natural size. (See p. 667) 



1, First caudal, lateral view, left side; 2, the same, anterior view; 3, the same, posterior view; 4, second caudal, lateral view, left 

 side; 5, second caudal, posterior view; 6, third caudal, lateral view, left side; 7, the same, anterior view; 8, the same, posterior 

 view; 9, fourth caudal, lateral view, left side; 10, the same, anterior view; 11, fifth(?) caudal, lateral view, left side; 12, the 

 same, anterior view; 13, the same, posterior view; 14, seventh(?) caudal, lateral view, left side; 15, the same, anterior view; 

 16, the same, posterior view; 17, tenth(?) caudal, lateral view, left side; 18, the same, anterior view; 19, twelfth(?) caudal, lateral 

 view, left side; 20, the same, anterior view; 21, thirteenthC?) caudal, lateral view, left side; 22, fifteenth(?) caudal, lateral 

 view, left side; 23, sixteenth(?) caudal, lateral view, left side, a, Anterior; c, hemapophysis; n, neural canal; p, posterior; 

 s, neural spine; t, transverse process; z, prezj'gapophysis. 



