PLATE XL. 
Figs. 1-15. Bones found with tlio teeth of TomUhcrinm jarrovU, n.-itiiral size. Page 137. 
Fig. 1. Olecranar portion of ulna, lateral view; a, the same, from below. 
Fig. 2. Distal end of ulna, from above; a, the distal articular face. 
Fig. 3. Proximal end of radius from below; «, proximal articular face. 
Fig. 4. Head of the femur. 
Fig. 5. External margin of femur, displaying third trochanter. 
Fig. f). Patella, external face; a, internal face. 
Fig. 7. Distal end of fibula, from behind; a, inner face; b, outer face 
Fig. 8. Calcaneum, superior face; a, distal end. 
Fig. 9. Astragalus in two fragments, from above; b, from below. 
Fig. 10. ? Navicular bone, from above; a, from the side ; b, from below. 
Fig. 11. Cuboid bone, from the front; a, from the inner side; b, the proximal, and c, the distal ends. 
Fig. 12. Mesocuneiform bone, from the side ; a, from the frout; b, from above. 
Fig. 13. The entocuneifoTm bone, from the outer side; a, from the inner side; b, from below. 
Figs. 14-15. Sesamoid bones; a, external faces. 
Figs. 16-25. Bones found with the teeth of Tomitherium tiitum, including portions of feet, natural size. 
Page 141. 
Fig. 16. Astragalus and calcaneum in mutual relation, from the outer side; a, from above; b, astragalus, 
from below. 
Fig. 17. Extremity of right tibia iu relation with the astragalus, from the front. 
Fig. 18. Extremity of right tibia, from below. 
Fig. 19. A metacarpal bone, antero-superior view; a, from the side; b, another metacarpal, proximal 
view. 
Figs. 20,21,22. Phalanges, from above; a, from the side; b, proximal end. 
Fig. 23. Ungual phalange, from above; a, from the side; b, proximal extremity. 
Fig. 24. Mesocuneiform bone, side view; a, the front; b, end view. 
Fig. 25. Unknown element, concave face ; a. plane face. 
Fig. 26. Eatlionyx burmeisterii, posterior part of right mandibular ramus, from the outer side, supporting 
the last inferior molar ; a, the same, from above. Page 156. 
Figs. 27-30. Typical specimen of Eslhonijx bisulcatus, natural size. Page 154. 
Fig. 27. Left mandibular ramus, supporting the last three molars and the penultimate premolar, exter¬ 
nal view ; a, internal ; b, superior, and, c, inferior views. 
Fig. 28. Fragment of the right mandibular ramus, supporting the two last molars, viewed from above. 
Fig. 29. Supposed superior incisor: a, external view; b, lateral view; c, internal view. 
Fig. 30. Supposed inferior incisors: a and 6, those of opposite sides, viewed from behind; c, loft tooth, 
view from the outer side; d, the same, inner side; c, the same, from the front. 
Fig. 31. Portion of the right mandibular ramus of a second specimen of Esthoiiyx bisulcatus, fvom tho 
outer side; a, the inner side ; &, from above, natural size. 
Fig. 32. Fragment of lower jaw of a third specimen, supporting a molar, inner side; a, from above. 
Fig. 33. An inferior molar of a fourth specimen of Esthonyx bisulcatus, the outer side; a, superior face. 
Figs. 34-39. Superior incisor of the Ectogaiius noromchicamw, natural size. Page 159. 
Fig. 34. Outer side of incisor. 
Fig. 35. Inner side of incisor. 
Fig. 36. Front border of incisor. 
Fig. 37. Posterior border of incisor. 
Fig. 38. Proximal end, fractured. 
Fig. 39. Distal cud, masticating surface. 
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