128 JIACROPID.E. BETTONGIA. 



PETROGALE. 



Tho Short-eared Rock Kangaroo. Petrogale brachyotis. 



Waterhouse, Nat. Hist. Mamru. i. pi. 5. fig. 16 (skull), fig. 16a (incisor 



teeth). 



a. Skull: male. Weight of animal 7 lbs. Australia. From Mr. 

 Gould's Collection. 



The Side-streaked Rock Kangaroo. Petrogale lateralis. 



a. Skull : male, nearly adult. 1 From Mr. Gould's Col- 



b. Sknll : male. Swan River, Australia. J lection. 



The Rock Kangaroo. Petrogale penicillata. 



Waterhouse, Nat. Hist. Mamm. i. pi. 5. fig. 10 (incisor teeth). 



Cervical vertebra? 7 



Dorsal 13 



Lumbar 6 



Sacral 2 



Caudal 23 or 24 



a. Skull. j 



b. Skeleton. I From fae Zoolo ^ cal p oc j e ty's Collection. 



c. Skeleton : female. [ J 



d. Skull. J 



The Yellow-footed Rock Wallaby. Petrogale xanthopus. 

 *a. Skull. Flinders range, S. Australia. 



BETTONGIA. 



Teeth :— Incisors ^ ; Canines^; Premolars £; Molars i±;=30. 



Bettongia cuniculus. 



Waterhouse, Nat, Hist, Mamm. i. pi. 10. fig. 2 (skull). 



Conical vertebrae 7 



Dorsal 13 



Lumbar 6 



Sacral - 



Caudal 21 or 22 



a. Skeleton. Purchased of Mr. Warwick. 



b. Skull. From the Zoological Society's Collection. 



c. Skull. Presented by J. B. Jukes, Esq. 



The Field Bettong. Bettongia campestris. 



Waterhouse, Nat. Hist. Mamm. i. pi. 0. fig. 2 (skull). 



a. Skull: old male. I South Australia _ From Mr. Gould's Collection. 

 6, c. Skulls. J 



