CRETACEOUS VERTEBRATE FOSSILS. 



511 



although only a fragment of the skull with the horn-cores, is shown in 

 figs. 79 and 80. This specimen was found near Denver by George L. 

 Cannon, jr., who has secured other important specimens from the same 

 horizon. Still others of interest were found by George JI. Eldridge, while 



Fig. 75.— Skull and lower jaw of Ti ieeratopi prorsiu Marsh . seen from the left Bide. About one-sixteenth natural i 



Fig. 76.— SknlJ of Triceratops prorsut; sees from the front. 



Fig 77 Sknll of Stt , rholophusflabellatws Marsh; seen from behind, 



Both figures ax i-twentieth natural 



./ dentary; -. epoccipital; ft born-con ft nasal horn.con p parietal; pd t predentary; 7 quadrate; 1 rostral 

 *. squamosal. 



