Manchester Memoirs, Vol. li. (1907), No. 5. 21 



Steatomys pratensis. 



Steatomys pratensis, Peters, S.B. Akad. Wiss. BerL, 1846, p. 



258. 

 Steatomys edulis, Peters, "Reis. Moss.," p. 163, 1852. 



R. 13$, 14 c?. N. bank of Zambesi. July 16, 1904. 

 Alt. 1500. 



R. 52,53? ?. Petauke. Dec. 24, 1904. Alt. 2400. 



R. 560% 57?. Petauke. Dec. 29, 1904. Alt. 2400. 



R. 87 3. Lichunio, near Petauke. April 7, 1905. 



" This species, which is very common, is called 

 'Ngambwa' by the Asenga. I was much struck by the 

 fact that a large number of the individuals I saw, were 

 blind in one or both eyes. 



"When I was in the Mbala Country on May 4, 1905, 

 six specimens of this mouse were dug out of a burrow in 

 the middle of my camp. Of these two were blind in both 

 eyes and two others in one eye. 



" All mice and rats are eaten by the natives, but this is 

 considered a special delicacy on account of its fat." 



Mus rattus. 



Mus rattus, Linn., "Syst. Nat.," ed. x., p. 61, 1758. 



R. 18 <$. Ntambwa's. August 3, 1904. Alt. 1400. 



R. 19?. Ntambwa's. August 5, 1904. Alt. 1400. 



R. 496*. Petauke. December 17, 1904. Alt. 2400. 

 ? ?. ? ? ? 



These are not unlike specimens of rattus from the 

 Nyika Plateau, British Central Africa, but there is less 

 brown in the colouring, and the skull is somewhat shorter 

 and wider. 



" ' Koswe ' of all local tribes. It is a great pest in 

 many native villages." 



Mus walambae, sp. nov. 

 R. 135?. On the Plateau. September 12, 1905. 

 Alt. 4000. 



