206 MURIDE,—PSAMMOMYS, 
The Dun Rar. Gerbillus afer. 
Cervical vertebra. ... 0... .0000. 7 
Dorsal oi wes ede ce yes aay walt 
Inimbar we ssked shin tee neae: 7 
Dactal aw nygaegeee Gee aan 3 
Caidalicces baka nadoasmned oa 27 
a. Skeleton: male. Cape of Good Hope. From M. Verreaux’s Col- 
lection. 
Gerbillus shawii. 
Duvernoy, Mém. de la Soc. d’Hist. Nat. de Strasbourg, ii. pl. 2. 
figs. 11-13 (skeleton and skulls). 
The Brack-TaLep Gersitte. Gerbillus melanurus. 
Meriones libyeus, Pander und D’ Alton, Vergl. Osteol. no. 6. pl. 11 ¢ 
(skeleton), d (skull). 
a. Skull. Abyssinia. 
The Inpran Grersitie. Gerbillus indicus. 
Meriones indicus, Owen, Odont. pl. 105. fig. 8 (dentition). 
Dipus indicus, F. Cuv., Dents des Mamm. p. 172. ? no. 62 (dentition). 
— Waterhouse, Charlesworth’s Mag. Nat. Hist. 1839, p. 13. fig. d 
(skull). 
a, 6, ¢. Skulls. India. Presented by Walter Elliott, Esq. 
d. Skull. Kashmir. Presented by Professor Oldham. 
Gerbillus campestris. 
a. Skull. Algiers. From M. Parzudaki’s Collection. 
The Kamresperc GerBItte. Gerbillus auricularis. 
Gerbillus brevicaudatus, Waterhouse, Charlesworth’s May. Nat. Hist. 
1839, p. 276. fig. 35 ¢ (skull). 
a. Skull. From the Zoological Society’s Collection. 
PSAMMOMYS. 
Teeth :—Incisors =; Molars $3 ;=16. 
The Tamarisk Rar. Psammomys tamariscus. 
*a, Skull. Songaria, Russia. 
The Farr. Psammomys obesus. 
Riippell, Atlas, tab. 22, 23. a-d (skull and skeleton).— Waterhouse, 
Nat. Hist. Mamm. p. 15. a, 6 (skull); Charlesworth’s Mag. Nat. 
