PLATE LVIa. 



Boucs of Triplopiie cubitalis Cope; twotbirds natural size. Portiuus of one skeleton; other parts of the 



same are figured on Plate LVa. Page G97. 

 Kig. 1. — Skull, riglit side; n. same from above; 6, same from belovr, a part of the right mandibular 



ramus removed, showing two permanent premolars not fully protruded. 

 Fig. 2.— Portion of riglit ramus of mandil)le, showing inferior mol.ars. 

 Kig. 3. — Block of matrix containing the left anterior limb entire, lacking only the scaphoid bone and 



four phalanges; external view. 

 Pig. 4.— Distal view of ulna and radius of this ))iecc. 

 pig. i'l. — Pes of the same limb viewed from the front. 

 Pig. G. — Pisiform bone, i'xiernal view. 

 Pig. 7. — Distal ihces of second row of carpal bones. 

 Fig. 8. — Left humerus, anterior view of disial extremity. 

 Pig. y. — Ulna and radius of left side, from the front. 

 Fig. 9 a. — Proximal view of bead of left radius. 

 Fig. W.—LamhclothirUim hruicniuiiuiii. Part of left ramus of mandible with symphysis, two-thirds 



natural size. From the Wind River Basin. Page 709. 



