LÖNNBERG, MAMMALS FROM BRIT. E. AFRICA. 11 



tvvo rings or more in length. Ears practically naked. Whiskers 

 blackish, the longest reaching to the tip of the ears. Length 

 of head and body according to collector 177, the skin from tip 

 of snout to vent 205 mm.; tail according to collector 211, in 

 dry state from anus to tip 225 mm. Ear 23 mm. (collectors 

 measurement). Hind foot, dry (s. u.) 36 mm. 



Skull: greatest length 42,6 mm. condyloincisive length 

 40,2 mm., breadth of braincase across squamosal region 16,7 

 mm., least interorbital breadth 6,2 mm., length of nasals 15,5 

 mm., mesial length of frontals 13 mm., of parietals 8 mm., 

 of interparietal 6,7 mm., foramina palatina 8 mm., diastema 

 12 mm., length of upper molar series 6,4 mm., length of 

 bullae 7,4 mm. 



The lateral ridges of the skull very well developed, 

 especially strongly raised above the orbits. The greatest 

 breadth across these ridges is 14,5 mm., and the lateral 

 length of the parietal along the ridge 13,8 mm. The outer 

 tubercle of first lamina of rn! less developed than in E. rattus. 



The type is an adult male caught at Juja farm the 20th 

 of Jan. 1914. It has considerably larger hind feet than E. rai- 

 tiformis, and differs also in some other dimensions as well 

 as with regard to the »dark fawn» colour on the hind quarters 

 and the white fingers. 



Zelotoiiiys hildegardeae Thomas. 



An old male with much worn teeth caught at Donya 

 Sabuk ^Vi 1914. The tail is comparatively dark on the up- 

 per side. 



Mus (Leggada) triton murilla Thomas. 



To this race I refer four small mice collected at Donya 

 Sabuk resp. "/a, ^Vz, 'V2 and ^y^ 1914. The two first are 

 rather young, the two others had according to the collector 

 the following measurements: 



Head and body ... 75 mm. 78 mm. 

 Tail 50 » 45 » 



The dry hind foot (s. u.) appears to be about 16 mm. 

 The specimens vary somewhat in colour. In the j^oung- 

 est the lower side is more whitish than in the adult. 



