198 MURIDiE. LEPUS. 



The Rufous-brown Cavt. ? Cavia flavidens. 



Waterhouse, Nat. Hist. Mamm. ii. pp. 168, 171. pi. 16. fig. 10 (skull). 



o. Skeleton. From Mr. Brandt's Collection. — " Cavia aperea." The 

 specimen figured and referred to hy Mr. Waterhouse. 



Spix's Cat*. Cavia (Cerodon) spixii. 



Waterhouse, Nat. Hist. Mamm. ii. p. 173. pi. 16. figs. 11, 11a (skulls). 



Cervical vertebra? 7 



Dorsal 12 



Lumbar 7 



Sacral 4 



Caudal 5 



a. Skull. Bahia. C. leueogaster, } „ ,, „ , • , ~ . , , ,, , 



Waterh MSS I Zoological Society's Col- 



b. Skeleton. ' J lection - 



The Bolivian Cavy. Cavia boliviensis. 



Waterhouse, Nat. Hist. Mamm. ii. p. 175. pi. 10. fig. 4c (skull), pi. 16. 

 fig. 13 (skull). 



a-c. *Skulls. Bolivia. From Mr. Bridges' Collection. — The speci- 

 mens described by Mr. Waterhouse. 



The Southern Cavy. Cavia (Cerodon) australis. 



Waterhouse, Nat. Hist. Mamm. ii. p. 180. pi. 16. fig. 13 (skull).— 



7s. Geoff. ctD'Orb.,Voy.Amei: Mend. ix. pi. 18. figs. 2-5 (skull). 

 Cavia aperea, Blaine, Osteog. Gr. Cavia, pi. 11 (skull). 



*a. Skull. Patagonia? From Mr. Bridges' Collection. 

 b, c. Skulls. From the Zoological Society's Collection. 



d. Skull. — The specimen figured by Mr. Waterhouse. 



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



The Rock Cavy. Cavia (Cerodon) rupestris. 



Waterhouse, Nat. Hist. Mamm. ii. pp. 164, 183. pi. 4. fig. 2 (skull). 



pi. 10. fig. 1 (skull), pi. 16. fig. 1 (teeth). 

 Kerodon moco, F. Cue., Dents des Mamm. p. 151 (teeth), 1825. 

 Cavia moco, Blainv., Osteog. G. Cavia, pi. 2 (skull). 



*a. Skull. From Mr. Hultse's Collection. 



b. Skull. Bahia. From the Zoological Society's Collection. — The 

 specimen described and figured by Mr. Waterhouse. 



LEPUS. 

 Teeth : — incisors "- 



