198 MURID.Z.—LEPUS. 
The Rurous-prown Cavy. ?Cavia flavidens. 
Waterhouse, Nat. Hist. Mamm. ii. pp. 168, 171. pl. 16. fig. 10 (skull). 
a. Skeieton. From Mr. Brandt’s Collection.— Cavia aperea.” The 
specimen figured and referred to by Mr. Waterhouse. 
Sprx’s Cavy. Cavia (Cerodon) spixii. 
Waterhouse, Nat. Hist. Mamm. ii. p. 173. pl. 16. figs. 11, 11@ (skulls). 
Cervical vertebre.............. 7 
DORSAD ss 'see de ee wy ee Re ee ee 12 
Tumbor -s0siy ae ead eaewers 7 
Sacral ss syked weedeat eee ede 4 
Cadel ve dvciwi carne eet eee oe 5 
From the Zoological Society’s Col- 
a. Skull. Bahia. C. leucogaster, 
Waterh. MSS. leet 
4. Skeleton. ck 
The Borivian Cavy. Cavia boliviensis. 
Waterhouse, Nat. Hist. Mamm. ii. p. 175. pl. 10. fig. 4¢ (skull), pl. 16. 
fig. 13 (skull). 
a-c. *Skulls. Bolivia. From Mr. Bridges’ Collection.—The speci- 
mens described by Mr. Waterhouse. 
The Sourmern Cavy. Cavia (Cerodon) australis. 
Waterhouse, Nat. Hist. Mamm. ii. p. 180. pl. 16. fig. 13 (skull).— 
Is. Geoff. et D’ Orb., Voy. Amér. Mérid. ix. pl. 18. figs. 2-5 (skull). 
Cavia aperea, Blainy., Ostéog. G. Cavia, pl. 11 (skull). 
¥*q. 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. Mami. ii. pp. 164, 183. pl. 4. fig. 2 (skull), 
pl. 10. fig. 1 (skull), pl. 16. fig. 1 (eth). 
Kerodon moco, F. Cux., Dents des Mamm. p. 151 (teeth), 1825. 
Cavia moco, Blainv., Ostéog. G. Cavia, pl. 2 (skull). 
*a, Skull. From Mr. Hultse’s Collection. 
+, Skull. Bahia. From the Zoological Society’s Collection.—The 
_ specimen described and figured by Mr. Waterhouse. 
LEPUS. 
u + Q- 6-1 
Yeeth :—Incisors =; Molars =F =2s, 
