108 MR. HAROLD SCHWANN ON [Feb. 6, 



white. The Avhole of the upper parts bufiy yellow ttrongly 

 suffused with black ; cheeks, flanks, and upper surface of hind 

 limbs as far as tlie ankle-joint pure bufF-colour. Individual hairs 

 of dor.sal region about 16 mm. in length, basal three-fifths slate- 

 grey, subterminal ring fawn, tip black ; the haii-s on the flanks 

 without the black tip. Under sui'face, with the exception of the 

 throat and the inguinal region which are dirty white, bright huffy, 

 the light grey bases of the hairs showing through in places. Tail 

 indistinctly bicolor, covered with fine hair, dark brown above, 

 creamy white below, terminal portion unicoloured light brown, 

 tip with a minute tuft. 



Dimensions of the type (measui'cd in the flesh) : — Head and 

 body 114 mm. ; tail 152 ; hind foot 24; ear 17. 



Skull :— Greatest length 30-3 ; basilar length 234 ; breadth 

 across brain-case 13"7 ; zygomatic breadth 14*5 ; intei\)rbital 

 breath 14-5; nasals 13"4x4; palate length 13"0; diastema 8'0 ; 

 upper molar series 5'5. 



Hah. Deelfontein, Cape Colony. 



Type. Female. B.M. no. 3.1.4.51. Collected 1st Sept., 1902, 

 by Mr. C. H. B. Grant and presented to the British Museum by 

 Col. A. T. Sloggett. 



The buff-coloured belly by w-hich this local race is distinguished 

 from the typical subspecies appeal's to be a remai-kably constant 

 character, all the specimens Mr. Grant collected at Deelfontein 

 possessing it in a striking degree. 



" Native name ' Tube.' 



" These mice chiefly frequent the to[)S anfl slopes of the hills, 

 living in the holes and cracks of the rocks with the dassies. I 

 have never seen this mouse except in the Kuruman hills, where 

 it is fairly plentiful. I do not think it is to be found in the flats 

 below."— i?. B. W. 



18. Mus woosNAMi, sp. nov. (Plate VI.) 



S. W. 33, 39, 42, 52; I). 130. $. W. 40; D. 131, 134. 

 Kuruman. 



d. W. 86. $. W. 101. 



A medium-sized species of a pale grey colour with a mammary 

 formula of 3— 2 = 10. 



General colour of upper surface between " smoke -grey " and 

 " drab-grey " (Ridgw^ay), more or less pencilled with black ; flanks 

 considerably lighter, with no black pencilling. Individunl hairs 

 of back about 15 mm. in length, basal half " slate-grey," subter- 

 minal ring " drab-gi'ey," terminal portion black. Colour of under 

 surface creamy white, the light grey bases of the hair showing 

 through in places. Head coloured like back, occasionally leather 

 lighter; a line extending from the muzzle to the inner side of the 

 fore limb, white. Whiskers soft, fine, and black, about 35 mm. in 

 length. Ears of medium size, oval, the edges covered externally 

 wath minute black hairs, internally with white. Upper surface 

 of hands and feet clothed with fine w'hite hair not extending over 



