PLATE CXCVII 



Fourth Cervical 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, inferior view; 5, posterior view, a, Anterior facet of centrum; 

 /, foramen for vertebral artery; n, neural canal; s, neural spine; t, transverse process; z, prezygapophysis; z', postzygapophysis. 

 The principal muscle and ligament attachments of this vertebra are given on page 713. 



