I^L^TE LIII. 



DINOCERATA. 

 Phalanges of Dinocekas mirabile, Marsh. 



One-half Natural Size. „ 



i^iG. 1.— Proximal phalanx of medum digit; front view, 



III — Lateral view, 

 li — Posterior view. 

 Ic — Proximal end. 

 Id — Distal end. 



Fig. 2.— Proximal phalanx; front view, 



2a — Posterior view. * 



26 — Proximal end. 

 2c — Distal end. 



Fig. 3.— Proximal phalanx of lateral digit; front view, 



3a — Posterior view. 



36 — Proximal end. 



3c — Distal end. 

 Fig. 4. — Median phalanx; front view, 



4ffl — Posterior view. 



46 — Proximal end. 



4e — Distal end. 



Fig. 5. — Median ])halanx; front view, ._ 



Sa —Proximal end. -^^* 



56 — Distal end. 



Fig. 6. — Ungual ])halanx; front view,.. ,,.. 



6a — Posterior view. 

 66 — Proximal end. 

 6c — Distal end. 



Fig. 7. — Ungual phalanx; front view, 



7a — Posterior view. 

 76 — Proximal end. 

 7c — Distal end. 



Fig. 8.— Sesamoid bone from raetatarso-phalangeal articulation ; lateral view, uu 



Sa — Articular surface. 



Fig. 9.— Sesamoid bone from metatarso-i)h,dangeal articulation ; lateral view, nu 



9« — Articular surface. 



Fig. 1 0.— Sesamoid bone, probably from hallux ; lateral view, . j ,. , 



lOrt — Articular surface. 



