PLATE XLIV. 



SKULL OF TYPE OF TRICERATOPS FLABELLATUS MARSH. 



(Seep. 143.) 

 Plate prepared under the direction of Marsh. 



Type specimen, No. 1821, Yale University Museum. Left lateral view. 



ang, angular. o, orbit. 



cp, coronoid process. pa, parietal. 



d, dentary. pd, predentary. 



ep, epoccipital. pf, postfrontal. 



ju, jugal. . pmx, premaxillary. 



lac, lachrj'mal. prf, prefrontal. 



If, lachrymal foramen. qj, quadratojugal. 



mx, maxillary. qu, quadrate. 



nas, nasal. sang, surangular. 



nh, nasal horn core. sq, squamosal. 



no, nasal opening. soli, supraorbital horn core. 

 One-fourth natural size. 



286 



