PLATE LXVIII. 



Cretaceous Dinosaurs. — Predentata. 



Ceratopsid.e. 



Page. 



Fig. 1. Left femur of Triceratops prorsus Marsh ; front view 214 



Fig. 2. Left tibia of same species; front view 214 



Fig. 3. The same tibia; distal end; back view 214 



a, astragalus; c, inner condyle; c', cnemial crest; /, face for fibula; h, 



bead; t, great trochanter. 

 All the figures are one-eighth natural size. 

 380 



