8G Mr. 0. Thomas on 



that instead of it being a brown animal with one median 

 black and a number of lateral light lines of spots, it is 

 simply a black animal with lines of light spots. The 

 median line is absolutely deep black without any fine light 

 tickings ; then three stripes on each side are black with a 

 few minute light tickings in them ; then from the fourth to 

 the edge of the belly there is enough admixture of light in 

 the daik bands to make them brown rather than black. 

 Lines of light spots cream-coloured, rather narrower than in 

 massaicus. Under surface white, not sharply defined late- 

 rally. Head blackish, finely lined with cream. Ears daik 

 brown, the ochraceous spot at their anterior base far less 

 conspicuous than in massaicus. Arms and hands dull buffy. 

 Rump and hind legs with scarcely any rufous suffusion. 

 Feet dull ochraceous. Tail brown above, dull buffy on sides 

 and below. 



Skull intermediate in size between those of A. massaicus 

 and macculus, the greatest lengths being 31, 29, and 28 mm. 

 respectively. Palatal foramina more narrowed posteriorly 

 than in the allied species. 



Dimensions of the type : — 



Head and body 110 mm. ; tail 119; hind foot 25. 



Skull : greatest length 29 ; basilar length 23 ; greatest 

 breadth 13'7; palatal length 15; palatal foramina 5'7; upper 

 molar series 5*1. 



Bab. Nono, W. of Addis Abbaba, S. Abyssinia. Alt. 

 3600 m. 



Type. Adult male. B.M. no. 6. 11. 1. 30. Original 

 number 77. Collected 30th April, 1905, by Ph. C. Zaphiro, 

 and presented by Mr. W. N. McMillan. 



I have named this handsome and distinct species in honour 

 of Mr. R. C. Wroughton, to whom so much of our knowledge 

 of the genus Arvicunthis is due. 



Leggada minutoides umbrata, subsp. n. 



Essential characters of true Cape minutoides, but the back 

 much darkened by an intermixture of blackish hairs, the 

 resulting colour of the whole dorsal area, from crown to rump, 

 daik greyish, between "sepia" and " hair-brown." Sides 

 dull buffy. Belly, as usual, pure sharply-defined white. 



Dimensions of the type (measured in flesh) : — 



Head and body 71 mm. ; tail 50; hind foot 14 ; ear 10. 



Skull : greatest length 19*5. 



Hah. Wakkerstroom, S.E. Transvaal. Alt. 5900'. One 

 specimen from Zuurbron, 1900'. 



