OLDFIELD THOMAS AND K. C. WEOUGHTON- MAMMALIA. 503 



53. Deomys ferrugineus Thos. 



1 in spirits. Between Mawambi and Avakubi, E. Congo Forest. 



The genus Beomys has hitherto been known only from the West Coast, whence 

 Mr. G. L. Bates has sent a number of specimens to the British Museum. 



54. Dendromus insignis Thos. 



$ skinned from spirits. Mubiiku Valley, E. Ruwenzori. 10,000 ft. 



55. MUS RATTUS L. 



6 . 146, 307. Mokia, S.E. Euwenzori. 3400 ft. 

 i . 155, 156. ? . 157. Fort Beni, Semliki Valley. 3000 ft. 



[Not obtained on E-uwenzori. A few were found on the plains around the south 

 end of the range and again at Fort Beni on the edge of the Congo Forest. — R. B. W.] 



56. Mus UGxiND^ De Winton. 



i . 45, 46, 274, 401, 625; 137, 147, 242, 677, 680. ? . 40, 41, 51, 54, 87, 88, 

 605 ; 148, 154, 293, 294, 296, 297, 674. Mubuku Valley, E. Ruwenzori. 6000 ft. 



S . 140, 290, 676. 2 . 291. Mokia, S.E. Ruwenzori. 3400 ft. 



? in spirits. East Ruwenzori. 



[Extremely common everywhere, especially near native huts and cultivations. 

 They were not caught on Ruwenzori above 7000 ft.— R. B. W.] 



57. Mus sp. (multimammate). 



2 $ in spirits. Between Mawambi and Avakubi, E. Congo Forest. 



58. Mus JACKSONi MOXTis, subsp. n. 



cj. 4, 12, 18, 21, 24, 609, 620. ?. 3, 13, 23, 25, 39, 110. Mubuku Valley, 

 E. Ruwenzori. 6000 ft. 



? in spirits. Mubuku Valley, E. Ruwenzori. 7000 ft. 



A long-tailed Rat representing M. jacJcsoni De Wint., but rather larger and with 

 larger stouter teeth. 



Fur short (10-12 mm. long on back) and soft. General colour above " bistre," 

 more or less tinged with " broccoli-brown," below greyish-white ; individual hairs 

 blackish-slate, with brown tips on the hock and pure white on the lower surface. 

 Hands and feet pinkish-drab. Tail uniform in colour, almost naked; rings about 15 

 in 10 mm. 



Skull of the usual type. Teeth broader and longer than in M. jacJcsoni, palatal 

 foramina long. 



Dimensions of type (measured in the flesh) : — 



Head and body 111 mm. ; tail 156; hind foot 25*5 ; ear 19. 



