Fig. 8. Side view of left third rib ; 8 V , articular surface of tubercle, Phascolomys 

 latifrons. 



Fig. 9. Side view of right fifth rib ; 9', front view of distal end of ditto, Phascolomys 

 latifrons. 



Fig. 10. Side view of left last (free or dorsal) rib, Phascolomys latifrons. 

 Fig. 11. Front or outer view of sternum, Phascolomys latifrons. 



Fig. 11a. Side view of distal end, with parts of attached rib and xiphoid sterneber, 



Phascolomys latifrons. 

 Fig. 12. Under view of right clavicle, Phascolomys latifrons. 

 Fig. 13. Under view of right clavicle, Phascolomys platyrhinus. 



PLATE XCIX. 



Fig. 1. Under or inner view of sacrum and anterior caudal vertebrae, Phascolomys 

 latifrons. 



Fig. 2. Articular surface for ilium on the first two sacral vertebrae, Phascolomys 

 latifrons. 



Fig. 3. Under or inner view of sacrum and anterior caudal vertebrae, Phascolomys 

 platyrhinus. 



Fig. 4. Articular surface for ilium on the first two sacral vertebra, Phascolomys 

 platyrhinus. 



Fig. 5. Dorsal or anconal view of the bones of the right fore paw, Phascolomys lati- 

 frons. 



Fig. 6. Thenal view of phalanges and sesamoid of fourth digit, Phascolomys latifrons. 

 Fig. 7. Side view of ungual phalanx of third digit, Phascolomys latifrons. 

 Fig. 8. Dorsal or upper view of the bones of the right hind foot, Phascolomys lati- 

 frons. 



Fig. 9. Under view of astragalus, Phascolomys latifrons. 

 Fig. 10. Upper view of calcaneum, Phascolomys latifrons. 



PLATE C. 



Fig. 1. Dorsal or outer view of left scapula, Phascolomys latifrons. 

 Fig. 2. Inner or under view of left scapula, Phascolomys latifrons. 

 Fig. 3. Side view of left scapula, Phascolomys latifrons. 

 Fig. 4. Dorsal or outer view of left scapula, Phascolomys platyrhinus. 

 Fig. 5. Inner or under view of left scapula, Phascolomys platyrhinus. 

 Fig. 6. Side view of left scapula, Phascolomys platyrhinus. 

 Fig. 7. Glenoid cavity of left scapula, Phascolomys latifrons. 

 Fig. 8. Glenoid cavity of left scapula, Pltascolomys platyrhinus. 



36 



