477 



Fig. 7. Working-surface of the first lower molar (mi) of the specimen, fig. 14, Plate 



LXXXIV., of a young Protemnodon Mimas. 

 Fig. 8. Fractured anterior end of specimen, fig. 4, with section of alveolus of incisor 



(i). 



Fig. 9. Upper view of a large portion of the mandible and molar series of a full-grown 

 Macropus Titan. 



Fig. 10. Working-surface of the lower molars (m 2, m 3), with remains of m 1 and d *, of 



an older (female 1 ?) Macropus Titan. 

 Fig. 11. Outer side view of a nearly entire right mandibular ramus, with the fore part 



of the left ramus of the same jaw attached by matrix, of a (male 1) Macropus 



Titan. 



Fig. 12. Inner side view of symphysial part of right ramus of the same fossil. 



Fig. 13. Inner side view of part of right mandibular ramus of a larger individual, or 



variety, of Macropus Titan. 

 Fig. 14. Working-surface of last molar (ma) of the same fossil. 

 Fig. 15. Hinder surface of the same molar. 



PLATE LXXXVII. 



Fig. 1. Left side view of fore part of cranium and teeth of Protemnodon Mimas. 

 Fig. 2. Eight side view of part of premaxillary and broken incisors of the same fossil. 

 Fig. 3. Inner side view of left premolar of the same fossil. 



Fig. 4. Working-surface of the right upper molars (d 4, m 1) of the same fossil. (The 

 above four figures are from photographs of the specimens, now in the Museum 

 of Natural History, Sydney, New South Wales.) 



Fig. 5. Left side view of part of cranium and teeth of Sthenurus Brehus. 



Fig. 6. Under or palatal view of the same fossil. 



Fig. 7. Outer side view of left upper premolar (^3) and following molar (d *) of Sthen- 

 urus Brehus; with fore end view of p 3. 

 Fig. 8. Inner side view of the same teeth. 

 Fig. 9. Working-surface of the same teeth. 



Fig. 10. Outer side view of part of left mandibular ramus and teeth of a mature Pro- 

 temnodon Rcechus. 

 Fig. 11. Inner side view of the same fossil. 

 Fig. 12. Working-surface of the teeth of the same fossil. 

 Fig. 13. Hind surface of the molar (7112) of the same fossil. 



Fig. 14. Portion of palate and of right molar series of Protemnodon Mimas. (From a 

 photograph of the specimen in the Museum of Natural History, Sydney, 

 New South Wales.) 



50* 



