belonging to the Genus Crocidura. 191 



Skull of type : condylo-incisive length 17*6 mm. ; greatest 

 breadth 7*8; least interorbital breadth 3*9; length of 

 palate 7'4 ; postpalatal length 7*9 ; greatest maxillary 

 breadth 5*4 ; median depth of brain-case 4 ; length of upper 

 tooth-row 7'7. 



Hah. " Small uninhabited island one mile north of Sajitu 

 Island, Victoria Nyanza.'" 



Tj/pe. Adult female. B.M. no. 2. 7. 5. 6. 



In addition to the type there are two further specimens 

 of cuninghamei in the collection, one from Kama Island, 

 Victoria Nyanza, and the other from Kampala. 



(108) Crocidura bicolor elgonius^ Osg. 



Crocidura bicolor elgonius, Osgood, Ann, & Mag. Nat. Hist. (8) vol. v. 

 p. 369 (1910). 



Rather smaller than cuninghamei, greyer in colour and 

 with smaller skull. 



Size rather less than in either bicolor or cuninghamei, 

 hind foot only 9 mm. in length. Fur as short as in the 

 allied forms. Colour of dorsal surface much greyer, general 

 effect between " fuscous " and " Ch(etura drab," considerably 

 les^s brown than cuninghamei. Colour on sides gradually 

 paling and passing imperceptibly into the lighter grey of 

 the belly. Lateral gland very small, marked by short white 

 hairs. Backs of hands and feet darker, dirty brownish 

 grey. Tail finely haired, dark sooty brown above, slightly 

 paler below; bristle-hairs more conspicuous, grey throughout, 

 not darker at their bases as in the Victoria Nyanza form. 



Skull smaller, equally flat, brain-case rather narrower. 

 Teeth as in cuninghamei, second and third upper unicuspids 

 slightly smaller. 



Dimensions of type and topotype ( ^ ) (measured in the 

 flesh) :— 



Head and body 52, 55 mm. ; tail 38, 44 ; hind foot 9, 9 ; 

 ear 8, 6. 



Skull of type : condylo-incisive length 16'7 ; greatest 

 breadth 7'3 ; least interorbital breadth 3*2 ; length of 

 palate 6'8 ; postpalatal length 8 ; greatest maxillary breadth 

 4'8 ; depth of brain-case 4 ; length of upper tooth-row 7*2. 



Hab. Kirui, Mt. Elgon. Altitude 6000 feet. 



Type. Adult female. B.M. no. 10. 4. 1. 47. 



The much more sooty coloration and smaller skull distin- 

 guish this Elgon race from the Lake form. 



