DINOCERATA. 

 Phalanges of Dinoceras mirabile, Marsh. 



Pagi'. 

 One-half Natural Size. 



Fig. 1. — Proximal phalanx of a median digit; front view, 127 



la — Lateral view. 

 lb — Posterior view. 

 Ic — Proximal end. 

 Id — Distal end. 



Fig. 2. — Proximal phalanx of a lateral digit ; front view, 127 



2« — Lateral view. 

 25 — Posterior view. 

 2c — Proximal end. 

 2f?— Distal end. 



Fig. 3. — Median phalanx; front view, 128 



3a — Posterior view. 

 3b — Proximal end. 

 3c — Distal end. 



Fig. 4. — Median phalanx; front view, 128 



4a — Lateral view. 

 4b — Posterior view. 

 4c — Proximal end. 

 4d — Distal end. 



Fig. 5. — Ungual phalanx of median digit; front view, 128 



5a — Posterior view. 

 Sb — Proximal end. 

 5c — Distal end. 



Fig. 6. — Ungual phalanx of lateral digit; front view, 128 



6a — Lateral view. 

 Gb — Posterior view. 

 6c — Proximal end. 

 6c? — Distal end. 



Fig. 7. — Sesamoid lione from metacarpo-phalangeal articulation; lateral view, 121 



7« — Articular surface. 



