550 Mr. G. Doll man on neio 



Hab. Kirui, Elgon, British East Africa. Altitude 6000 feet. 



Type. Adult male. Rudd Collection. Original number 

 210. Collected by Mr. R. Kemp on September 8th, 1909, 



The dark grey- coloured back and much paler limbs and 

 under surface indicate that these Elgon specimens must be 

 considered subspecifically distinct from G. braccatus. 



Lophuromys zena, sp. n. 



Larger than L. aquilus, True, and Avith the body speckled 

 all over with buff. 



Tail longer^ measuring 64 mm. in the flesh. Fur thick 

 and of medium length, about 10 mm. in length on back. 

 General colour of back reddish brown (near raw umber no. 3, 

 'Repertoire de Couleurs'), closely speckled with orange- 

 buff, the speckling extending back on to the rump and hind 

 limbs. Individual hairs of back orange at base, becoming 

 brownish towards the middle, subterminal ring orange-buff, 

 tip dark brown. Flanks and upper surface of limbs similar 

 in colour to back, but not quite so rich in colour. Sides of 

 face buffy (snuff-brown no 1, ' Repertoire '). Backs of hands 

 brownish, with a light buff-coloured patch on the inside of 

 the wrist ; digits covered with short greyish hairs. Upper 

 surface of feet brown, with a similar light-coloured patch on 

 the outside of the metatarsal region, toes covered with light 

 greyish-white hairs. Under surface of body yellowish buff 

 (maize-yellow no. 2, 'Repertoire^). Underside of limbs 

 rather greyer in colour than belly. Upper surface of tail 

 thinly covered with short dark brown hairs ; lower surface 

 rather more thickly clothed with greyish-white hairs. 



Skull large, with rather long nasals and palatal foramina ; 

 teeth a little larger than those of the following species. 

 Dimensions of the type (measured in the flesh) : — 

 Head and body 134 mm.; tail 64; hind foot 20; ear 17. 

 Skull : condylo-basal length 29 mm. ; basal length 26*1 ; 

 condylo-basilar length 27"2 ; basilar length 24"9; zygomatic 

 breadth 15 ; palatal length 14*5 ; palatilar length 12*9 ; 

 greatest length of nasals 12*2; length of palatal foramina 6"4; 

 length of upper molar series 5"5. 



Hab. East side of the Aberdare Range, near Nyeri, British 

 East Africa; lat. 0° 28' 00" S., long. 36" 45' 00'' E. 

 Altitude 9581 feet. 



Type. Adult male. B.M. no. 6. 7 . 8. 27. Original number 

 17. Presented by Mrs. Holms Tarn, who collected the 

 specimen on November 8th, 1905. 



In addition to the type, Mrs. Holms Tarn has presented 

 ten other specimens to the Museum, all from the Aberdare 

 Range, the whole series being exactly similar to the type. 



