PLATE XXVI. 



TYPE OF TRICERATOPS HORRIDUS MARSH. 



(See p. 118.) 

 Plate prepared under the direction of Hatcher. 



Specimen No. 1820, Yale University Museum. Left lateral view of anterior portion of the skull. 



ju, jugal. pf, postfrontal. 



m, maxillary. pm, premaxillary. 



nas, nasal. ■ q, quadrate. 



nh, nasal horn. r, rostral bone. 



no, nasal opening. soh, supraorbital horn. 



o, orbit. sq, squamosal. 

 One-fourth natural size. 



250 



