482 



PLATE CVIII. 



Fig. 1 . Outside view of parts of right upper and lower jaws, with skull restored in 



outline, of Sthenurus Br elms, Ow. 

 Fig. 2. Upper view of premaxillaries and incisors of Sthenurus Brehus, Ow. 

 Fig. 3. Under view of the same fossil. 



Fig. 4. Under view of right lower incisor of Sthenurus Brehus, Ow. 



Fig. 5. Upper surface of worn end of right lower incisor of Sthenurus Brehus, Ow. 



PLATE CIX. 



Fig. 1. Front view of premaxillaries and incisors, Sthenurus Brehus. 



F\<r. 2. Portion of upper jaw showing the palatal surface and first two molars (p 3, d 4) 



of Sthenurus Brehus. 



Fig. 3. Portion of upper jaw showing working-surface of last three molars of Sthenurus 

 Brehus. 



Figs. 4 & 5. Palatal surface and teeth of upper jaw of Sthenurus Brehus. 

 Fig. 6. Side view of first incisor of Sthenurus Brehus. 



Fig. 7. Upper view of part of mandible, with incisors and first three molars, right side, of 



Sthenurus Brehus. 

 Fig. 8. Right side view of the same fossil. 



Fig. 9. Right side view of part of upper jaw of Sthenurus Brehus. 



Fig. 10. Palatal surface of premaxillaries and teeth of an old Sthenurus Brehus. 



PLATE CX. 



Fig. 1. Outer side view of part of left mandibular ramus and molar series of teeth of 



Protemnodon Antceus, Ow. 

 Fig. 2. Inner side view of the same fossil. 



Fig. 3. Working-surface of the teeth of Protemnodon Antceus, Ow. 

 Fig. 4. Hind surface of crown of last lower molar of Protemnodon Antceus, Ow. 

 Fig. 5. Fractured fore part of the same fossil with socket of incisor. 

 Fig. 6. Outside view of part of right mandibular ramus of an older and larger Protem- 

 nodon Antceus. 

 Fig. 7. Upper view of the same fossil. 

 Fig. 8. Fore part, with socket of incisor, of the same fossil. 

 Fig. 9. Back part of the same fossil. 



