PLATE XXVII. 



Figs. 1-24. — Mesonyx obtusideM Cope. Natunil size. 1, distal portion of tibia, front ; a, back; 6, distal 

 view. Page 355. 



Fig. 2. — Second metacarpal, anterior face. 



Fig. 3. — End of metapodial boue ; 3 a, from behind. 



Figs. 4, 5. — Ends of metapodial bones ; 5 a, from behind. 



Figs. r>, 7. — Proximal phalanges ; 6 a, from behind. 



Figs. 8-11. — Distal phalanges, a, proximal extremities. 



Figs. 12, 13. — Ungual phalange.s ; a, from below ; b, proximal ends. 



Figs. 14-24. — Vertebra; 14-15, dorsals; 16-19, lumb.irs ; 20, sacral; 21-24, caudals; o, articular extrem- 

 ities. 



Figs. 25-8. — ilemmyx laniint Cope. Carpal and tarsal bones, natural size. Page 35.S 



Fig. 25. — Pisiform boue ; a, distal ; b, proximal end. 



Fig. 26. — Cuneiform bone, from front ; o, from above ; b, from below. 



Fig. 27. — Ectocuneiform bone, from outside ; o, from below ; b, from above. 



Fig. 28. — Calcaneum, proximal end lost. 



