PLATE XLV. 



SKULL OF TYPE OF TRICERATOPS FLABELLATTTS MARSH. 



(See p. 143.) 

 Plate prepared under the direction of Marsh. 



Type specimen, No. 1S21, Yale University Museum. Superior view. 



ep, epoccipital. pj, postfrontal. 



/, frontal. pmx, premaxillary. 



ju, jugal. prf, prefrontal. 



nas, nasal. sq, squamosal. 



pa, parietal. soh, supraorbital horn cores. 

 One-fourth natural size. 



288 



