130 PACHYDERMATA. 



Lagomys pusillus. 



Lagomys pusillus, Desm. Mamm. Sp. 568 ; Cdvier, Reg. Ann. ; 



Waterhoose, Rodentia, p. 19. 

 Lepus pusillus, Pallas, Zoog. Ross. Ab. ; Schreber, Saiigethiere, iv. 



p. 906. pi. 237. 



Description . — General tint of tie fur brown, the fur ratter 

 strongly penciled with black and yellow-brown ; the ears 

 are short and rounded, with a broad white margin, and a 

 distinct submarginal black band on the inner surface ; ex- 

 ternally, the ears are black in front and grey on the hinder 

 part, where the hairs are very long ; the hairs on the upper 

 parts are blackish grey at their roots, tinged with brownish 

 yellow towards the points, which are black; feet nearly 

 white above, slightly tinted with yellow ; the thick fur on 

 their soles dusky brown ; the tail is not visible. 



Length of head and body, 7 inches ; ears, 8^ inches. 



Burrows in the ground, sometimes taking shelter among 

 loose stones ; feeds for the most part at night ; collects a 

 large quantity of dried grass or other herbs into small stacks 

 for its winter food ; utters a chirping noise, compared by 

 Pallas to that of the Quail. 



Inhabits the southern districts of the Ural Mountains, 

 and as far west as the Volga, sometimes occurring on the 

 right banks of that river; is found in Siberia as far as 

 the Obi. 



Order PACHYDERMATA. 



Some families furnished with three kinds of teeth, 

 others with two kinds only. No clavicles. Feet pro- 

 vided with hoofs. Do not ruminate. 



Genus SUS. 

 Teeth. — Incisors, | or -| ; canines, jEj ; molars, -|^| 



