148 African Zoology. 



concavities, each of which is surrounded by a narrow raised rim. 

 L'jwerjaw — incisors plain infronL; the first molar the largest, 

 the lust much the smallest ; the crowns marked and divided some- 

 what like those in the upper jaw. Head large and deep ; muzzle 

 narrow; ears larqe ; legs short ; fore-feel with four toes; hind- 

 feet with five, the innermost one very small; tail shoit and 

 covered with very short hair ; form rather robust. 



Otomys typicus. Smith. Hair rather long and very soft ; 

 colour above a very pale red-brown, here and there faintly 

 clouded or sprinkled with black ; cheeks a pale fawn-colour ; 

 centre of muzzle freely sprinkled with dark bluish black ; upper 

 lip, spaces about angles of mouth, chin, lower surface of neck, 

 belly and extremities dull white ; tail thinly covered with very 

 short, fine reddish white hair : ears very large, and both sur- 

 faces thinly sprinkled with fiae short hair, which on the inner 

 surfaces whitish and on the outer brownish black. Superior 

 incisors yellowish, each with a well marked longitudinal groove 

 on its anterior surface ; lower ones white and smooth. AVhiskers 

 composed of long fine hairs, some white and some black. 

 The hairs of the head and upper parts of the body are of a dark 

 slate colour towards their bases, those of the lower parts are of 

 the same colour, only lighter. Length from nose to base of tail 

 four inches ; length of tail an inch and a half. 



Inhabits South Africa, — District of Graafif-Reinct. 



Otomys albicatidalus. Smith. Hair rather long and very soft r 

 colour above grey with a faint brownish tint, and slightly pen- 

 cilled with black ; cheeks, chin, and under-surface of neck dull 

 ■white-grey or pale brown-grey ; upper lip, lower ]iarts of sides, 

 belly, vent, and extremities dull bluish white, the latter in some 

 specimens reddish white ; claws nearly colourless, and com- 

 pletely covered by long white hair ; tail cylindrical and closely 

 covered by very short fine white hair ; ears very large, their 

 points rounded, their inner surfaces thinly covered with fine 

 short dull white hair, their outer surfaces with a sprinkling of 

 short blackish hair. Whiskers reddish white, some of the hairs 

 black towards their bases. Incisors yellowish and not grooved. 

 All the hairs on the head and body dark slate-coloured towards 

 their bases. Length from nose to root of tail five inches and a 

 half; length of tail two inches. 



Inhabits South Africa, — District of Albany. 



Genus Euryotis. Brants. 



Incisors I, canines ui, molars §3, — 16. Incisors of vppcr 

 jaw each with a longitudinal groove in front, those of the lower 

 jaw grooved or plain ; molars with true roolSy the crowns com- 



