PLATE XXXVlll. 
Figs. l-ll. Sfypolophas vivevriiui^, liagmenUiry skeletou of typiciil spociiiiou, natural size. Page Hi. 
Fig. 1. Anterior part oforaiiinm from below. The inferior face of the left maxillary supporting the last 
five molar.s is presented, while the right maxillary is twisted underneath so as to exhibit the 
three molars in front of the last in prohle. Between the maxillaries, the lelt ulna and radius 
lie inclose I'elation. la, the occipital portion of the same crauinm, viewed Trom above; b, 
the frontal and part of the nasal region, the superior view of Fig. 1. 
Fig. 2. A cervical vertebra, from behind ; a, from below ; b, from above. 
Fig. 3 A lumbar vertebra., from the end ; it, from below. 
I'lG. 4. Two lumbar vertebrae from the front ; b, from above; c, from the side. 
h'lG. 5. A caudal vertebra ; a, from below ; c, i'rom the side. 
Fig. 6. Sacrum, the anterior portion, with the right anterior angle broken off, from before; b, froiti above. 
Fig. 7. Left humerus, the proximal end, from the outer side ; 6, proximal view. 
Fig. 8. Part of tlie proximal end of the femur, from behind. 
Fig. 9. Part of distal end of femur, from the side; a, from above. 
Fig. 10. Distal part of shaft and extremity of the right tibia, from behind ; a, from front; b, distal end. 
Fig. 11. Calcaneum, from above ; a, the cuboid, articular face. 
Fig. 12-20. Portions of the skeleton of the typical individual of Stypolophus hians, natural size. Page 118. 
Fig. 12. Cranium posterior to the orbits, showing the narrow form and broken parietal crest, from the 
leftside; a, from above. 
Fig. 13. The right ramus of the inaudible, the middle portion wanting, external view. 
I'lG. 14. Left half of atlas, seen from behind; a, from below. 
Fig. 15. An anterior dorsal vertebra, from below ; n, articular extremity of centrum. 
Fig. 1(3. Another dorsal vertebra from below; a, from behind; b, from the right side. 
Fig. 17. An anterior lumbar vertebra, from below ; a, articular extremity of centrum. 
Fig. 18. A posterior lumbar vertebra, from below ; a, articular end. 
Fig. 19. A caudal vertelna, from below. 
Fig. 20. A more distal caudal vertebra; a, articular extremity. 
Fig. 21. Glenoid cavity of scapula. 
Fig. 22. Proximal part of humerus, postero-interior view. 
I'^iG 23. Distal end of the humerus, anterior view. 
Fig. 24. Proximal end of tlie ulna, interior side. 
Fig. 2.5. Parts of ilium and ischium with acetabulum, exterior view; a, anterior view. 
Fig. 26. Proximal end of tibia, exterior side. 
Fig. 27. Distal extremity of tibia, posterior view; a, exterior view. 
Fig. 28. Calcaneum, from above; a small portion lost from its middle; a, cuboid facet, etc., of the same. 
Fig. 29. Entocuneiform bone, outer side; a, distal articular facet; b, inner view. 
Fig. 30. Distal extremity of a metapodial bone, from below. 
