PLATE XL I 



SKULL OF TYPE OF TRICERATOPS BREVICORNUS HATCHER. 



(Seep. 141.) 



Plate prepared under the direction of Hatcher. 



Type specimen, No. 1834, Yale University Museum. Left lateral view. 



ang, angular. no, nasal opening. 



art, articular. o, orbit. 



cp, coronoid process. pa, parietal. 



d, dentary. pd, predentary. 



ep, epoccipital. prnx, premaxillary. 



ju, jugal. qu, quadrate. 



If, lachrymal foramen. r, rostral. 



mx, maxillary. sang, surangular. 



nas, nasal. sq, squamosal. 



nh, nasal horn core. soh, supraorbital horn core. 

 One-eighth natural size. 



280 



