TAMARISK JERBOA. 191 



the rest. The colour of the animal is brown 

 above, and white beneath ; the colours separated 

 along the sides by a yellowish line. 



TAMARISK JERBOA. 



Bipus Tainariciniis. D. palmis subietradactj/lis, plantis penta- 

 dactylis, cauda obsolete arumlata, Lm. Si/st, Nat, Gmel. 

 p. 159. 



Yellowish-brown Jerboa, white beneath, with subtetradactyle 

 fore-feet, pentadactyle hind-feet, and tapering tail obscurely 

 annulated with brown. 



Mus tamaricinus. Pall. Glir. p. 88. t. 19. 



Tamarisk Rat. Pennant Quadr, 2. p. 17^. 



This species, which was first discovered by Dr. 

 Pallas, is about the size of the brown rat. It is 

 an inhabitant of the most southern parts of the 

 Caspian deserts, and probably of the warmer 

 parts of Asia. It delights in low grounds and 

 salt marshes, and burrows under the roots of the 

 tamarisk-bushes. Each burrow has two entrances, 

 and is very deep. The animal comes out by 

 night to feed, and makes its principal repast on 

 succulent maritime plants, as the Salsola, &c. 

 which in the salt deserts it inhabits are very plen- 

 tiful. The head of this species is oblong; the 

 whiskers large ; the nose blunt ; and the nostrils 

 covered by a flap : the eyes large ; the ears large, 

 oval, and naked : the space round the nose and 

 eyes, and beyond the ears, white : the sides of the 

 head and neck cinereous : the back and sides 

 yellowish grey : the tips of the hairs brown : the 



