and allied East-African Species. 335 



6'. Size of body ratlaer smaller ; Ipugtli 

 of bead and bod}' about 140 mm. 

 General colour darker, yellowish 

 olive mixed with black aijd ochra- 



ceous. (Lado.) (2) t.jehelcc, Hell. 



h. Light underparts sharply marked off 



from tianks. (W. Babr-el-Ghazal.) (3) t. caitraUs, subsp. n. 

 B. Tail shorter than length of head and body. 



a. Size of body large ; length of liead and 



body about 174 nun. ; average length 



of hind foot 35 mm. (Egypt.) .... (5) tu'lvficus, Desm. 



b. Size of body medium ; length of head 



and body less than 170 mm., but more 

 than 135 mm. 

 a\ Tail longer (143 mm. in length). 



(Kaka, Soudan.) (4) luciuosus, pp. n. 



i". Tail shorter, not exceeding 125 mm. 

 in length. 

 a'. Dorsal stripe present. 



a^. Dorsal stripe well marked. 



Light patches behind ears 



well-detiued. Length of hind 



foot 27 or 28 mm. 



a*. General colour greyish olive. 



Backs of feet and toes 



greyish buff. (S.Abyssinia.) (6) alijssinicits. Riipp. 

 b^. General colour dark blackish 

 brown speckled with greyish 

 buflf. Backs of feet dark 

 brown; toes black. (Guma^ 



S. Abyssinia.) (") «• satvratus, subsp. n. 



i'. Dorsal stripe very indistinct. 

 General colour ochraceous 

 olive. No light patclies be- 

 hind ears. Average length of 



hind foot 30 mm. (Uganda.) (8) a. rubesccns, Wrought. 

 l"^. Dorsal stripe absent. 



a^. Size larger ; average length of 

 hind foot 29 mm. 

 a*. Ventral surface greyish, not 

 differentiated from the 

 brownish flanks. No light 

 buff-coloured stripe down 

 middle of belly. (Mumias 



and Elgon.) (9) o. nnbihms, Wrought. 



b^. Ventral surface greyish, 



washed with buffy white ; 



line of demarcation between 



whitish belly and dark 



flanks. Pale bufi-coloured 



stripe down middle of belly. 



(Guma, S. Abyssinia.) .... (13) zaphiri, sp. n. 



b''. Size smaller ; average length of 



hind foot less than 28 mm. 



a*. Backs of hands and feet grey. 



Ventral surface grey, washed 



