EAST AFIIICAN MAMMALS. 705 



Arvic'Antiiis tenebrosus Kershaw. 



Twenty-nine specimens from Mtali's, Izikisia, and Tabora. 



Mr. Kersliaw described this rat as a race of A. abyssinicas, but 

 this cannot be the case, as A. a. oicimianni is found at Mtali's. 

 They are quite distinct. A. a. nenmanni liaunts roads, paths, 

 and open thorn-busli, whilst A. tevehrosus was taken entirely 

 from gardens where the natives were cultivating niahoga or 

 sweet potatoes. 



Largest .^ 160. 135. 34. 20 mm., $ 160. 135. 34. 20 mm.; 

 both from Mtali's, where only three were collected. Tabora rats 

 were all smaller, the biggest being only 145. 110. 29. 18 mm. 



Three White-faced Scops Owls {0. I. granti) had each one of 

 these rats in its stomach (Mtali's, 19. x. 21). Also in that of 

 an Augur Buzzard (/>. cmgur) on the same day. 



Lemniscomys griselda ROSALIA Thos. 



A single male from Mkindo River on 5. ix. 21 measured 130. 

 l.']8. 27. 14 n)m. A new-born young one, with eyes still un- 

 opened, was found in the roadwav at Kilosa on 29. iii 21 

 Yng. 55. 32. 12. 3 mm. 



Lemniscomys macculus macculus Thos. & Wrought. 



A single male from Kabaro on l.ii. 23 measured 120. 130. 26. 

 15 mm. 



Lemkiscomys albolineatus Osg. 



Nyagalla in Chigogo, Kuse in Kinyaturu, Kobe in Kiramba. 



Seven specimens from Ndogwe, Suna, Gwao's, PooiTia, Mtali's, 

 Kadala, and Izikisia. It was also seen at Mbulu's and Mlewa's. 

 They run about on paths and in the roadway in the early 

 morning, and seek refuge in the manyara hedges. They are not 

 very numerous. 



Largest 6 110. 118. 25. 14 mm. ; $ 110. 115. 24. 14 mm. 



llUABUOMYS PUMILIO DIMINUTUS ThoS. 



Two males from Eldoret and Ilumruli. S . 100. 82. 20. 13 mm. 



Otomys angoniensis elassobon Osg. 



A pair of Swamp Hats were collected at Ilumruli on 17. vii, 22, 



Otomys NYiKifi canescens Osff, 



Two adults and one immature specimen from Nairobi, the 

 young one doubtfully referable to this s|)Gcies. d . 151.91 

 27. 18 mm. 



