478 



PLATE LXXXVIII. 



Pig L. Outer side view of part of left maxillary and two anterior teeth of Sthenurus 

 Atlas. 



Fig. 2. Outer side view of part of right maxillary and two anterior teeth of Sthenurus 

 Atlas. 



Fig. 3. Working-surface of the two anterior molars, left side, of Sthenurus Atlas. 

 Fig. 4. Working-surface of the two anterior molars, right side, of Sthenurus Atlas. 

 Fig. 5. Outer side view of right maxillary and molar series of Sthenurus Brehus. 

 Fig. 0. Under view of right maxillary and molar series of Sthenurus Brehus. 

 Fig. 7. Inner side view of right maxillary and molar series of Sthenurus Brehus. 

 Fig. 8. Working-surface of last molar, removed from its socket, shown in fig. 6, of 

 StJwnurus Brehus. 



Fig. 9. Hind surface of crown of penultimate molar of Sthenurus Brehus. 



Fig. 10. Hind surface of crown and fang of last molar of Sthenurus Brehus. 



Fig. 11. Outer side view of first and second upper molars, left side, of Nototherium 



Mitchelli, Ow. 

 Fig. 12. Working-surface of Nototherium Mitchelli, Ow. 

 Fig. 13. Inner side view of first molar of Nototherium Mitchelli, Ow. 

 Fig. 14. Hinder surface of first molar of Nototherium Mitchelli, Ow. 

 Fig. 15. Outer side view of first and second molars, left side, of Nototherium inerme, Ow. 

 Fig. 16. Inner side view of first molar of Nototherium inerme, Ow. 

 Fig. 17. Hinder surface of first molar of Nototherium inerme, Ow. 

 Fig. 18. Inner side view of part of right ramus (the mandible restored in outline), with 



teeth, of Protemnodon Antaeus. 



PLATE LXXXIX. 



Fig. 1. Upper view of portion of right mandibular ramus, with the hindmost molars, of 

 Macropus Titan. 



Fig. 2. Upper view of portion of right mandibular ramus, with the hindmost molars, of 



an aged individual of Macropus Titan. 

 Fig. 3. Upper view of portion of left mandibular ramus, with the hindmost molar and 



debris of antecedent ones, of an aged Macropus Titan. 

 Fig. 4. Outside view of figure 2. 

 Fig. 5. Inner side view of figure 3. 



Fig. 6. Outer side view of the teeth in ditto ; 6a, hind surface of much-worn last 



molar of Macropus Titan. 

 Fig. 7. Outside view of portion of right mandibular ramus, with three hindmost molars, 



of Procoptodon Pusio. 

 Fig. 8. Inside view of the same fossil. 



