ERSO tr 
ral bleaching of the hair. Thus skin no. 250 is a very dark speci- 
men without any signs of bleaching. In no. 199 the dorsal region is 
richly washed with a rich rusty red tint; and in no. 179 the entire 
appearance of the animal is altered, the coat being considerably 
shorter and the general colour bleached to a dirty vellowish buff. 
The type locality of ceutrico/a is Katabi, Entebbe. 
22. — Graphiurus christyi sp. n. 
C'. 433, 444; ©. 419, 446, 448. Mambaka. 
©. 215. Mambo. 
Related to Graphiurus spurrelli Dorrm., similar in colour and 
size but differing in the general form of the skull. 
General proportions as in the Gold Coast species. 
Colour of dorsal surface dark slate-grey washed with pale brow- 
nish buff, between « Hair Brown » and « Mouse Grey » (Ridgway, 
1912). Flanks similar in colour, the browmnish tint passing rather 
abruptly into the slate-grey of the ventral surface. Eves surrounded 
with well marked dark rings. Cheeks, below eyes, pale grevish 
white. Backs of hands and feet brownish, toes dirty white. Entire 
ventral surface dark slate-grev washed with grevish white. Tail 
pale liver-brown. 
Skull with larger brain case and broader nasals, not narrowing 
posteriorly in such an abrupt manner as in spurrellr. Cheek teeth 
rather larger. 
The following are the dimensions of no. 444, which mav be 
taken as typical (skin dimensions taken in the flesh). 
Head and body 105 mm.; tail 75; hind foot 18; ear 12. 
Skull : Greatest length 27.5 mm.; basilar length 19.8; condylo- 
incisive length 24: zvgomatic breadth 15; interorbital constriction 
4.9; squamosal breadth across brain case 12.6; length of nasals 9.8; 
greatest breadth acress nasals 3.6; palatilar length 8.1; length of 
palatal foramina 2.6; length of upper cheek teeth 3.3. 
In general colour Dr. CHrisry's Dormouse is very like the 
Gold Coast species, but rather darker throughout, with darker 
rings around the eyes and more richlv coloured hands and feet. 
