PLATE LV«. 



All the figures two-thirds natural size. 



Figs. 1-5. — Hyracliyus eximius. Part of the skeleton figured on Plates LIV and LV. Page 662. 



Fig. 1. — Left half of the pelvis, with three lumbar vertebrae, from below. 



Fig. 2.— Left posterior foot, front view ; a, from behind ; b, distal extremities of metatarsal bones. 



Fig. 3. — Distal extremity of astragalus and calcaneum together. 



Fig. 4. — First phalange of median digit, proximal extremity. 



Fig. 5. — First phalange of digit, proximal extremity. 



Figs. 6-9. — Triplopus amurornm. Part of the skeleton represented on Plate LVId. Page 687. 



Fig. 6. — Distal extremity of tibia and fibula. 



Fig. 7. — Tarsus, anterior view ; a, posterior view. 



Fig. 8. — Distal extremity of astragalus and calcaneum. 



Fig. 9. — Distal view of second row of tarsal bones. 



Figs. 10-1'2. — Triplopus viibitalis. Parts of skeleton figured on Plate LVId. Page 679. 



I ig. 10. — Atlas, from lielow. 



Fig. 11. — Axis, from below. 



Fig. la. — Two consecutive cervical and two dorsal vertebrae, right side, with head of humerus. 



