PLATE CXCVIII 



Second Dorsal Vertebra of the Type of Brontops robustus Marsh 



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



1, Lateral view, left side; 2, superior view; 3, anterior view; 4, posterior view, a. Anterior facet of centrum; n, neural canal; p, 

 posterior facet of centrum; r, facet for capitulum of second rib; r', facet for tuberculum of second rib; r", facet for capitulum 

 of third rib; t, transverse process; z, prezygapophysis; z', postzygapophysis. The principal muscle and ligament attachments- 

 of this vertebra are given on page 713. 



