152 JVlr. M. A. C. Iliiiton 



on 



distiuouished from that of die latter by its smaller size and 

 narroTier brain-case. Cheek-teeth as in typical melanogaster, 

 m^ with only three outer and three inner salient angles. 



Dimensions of the type, taken in^ the flesh by the col- 

 lector : — Head and body 105 mm.; tail 34; liind foot 17 ; 

 ear 13. 



For skull-measurements, see table at p. 153. 



Type. Adult male, B.M. No. 21.12.5.54. Orio^inal 

 No. 2063. Collected June 20, 1921, by Mr. H. W. ^Yells 

 at Dreyi, Mishmi Hills ; altitude 5140^ Presented to the 

 British Museum by the Bombay Natural History Society. 



Hab, Mishmi Hills, Assam. 



3. Eothenomys proditoi\ sp. n. 



S. 4, 5, 7, 8, 9, 11, 14, 19, 20 ; ? . 6, 13, 15, 16, 17. 

 Lichiang Range, N.AY. Yunnan. 



A bright-coloured species, \rith highly modified teeth. 

 Size small or medium (hind foot 16 to 18 mm.) ; tail short, 

 nsually between 28 and 38. Soles witli six pads, hairy 

 between heel and pads. Mammse — 2 = 4. 



Colour of upper parts dark brown, brighter than in Jidelis ; 

 belly nsually with well-marked yellowish suffusion. 



Feet dark above, concolorous with the upper surface of 

 the tail. Tail dusky above, paler below. 



Skull normal, rather smaller than that of fidelis ; 

 bullae rather large, teeth rather light. Cheek-teeth much 

 reduced; m^ with three inner salient angles only; 'iiv^ with 

 only a very slight vestige of the third inner angle (cusp n) ; 

 m^ with the first outer infold shallow, as in Aliicola and 

 some other voles, and with vestigial fourth outer and fourth 

 inner angles. Lower cheek-teeth normal : the outer angle 

 of m^, well developed. 



Dimensions of the type, taken in the flesh by the col- 

 lector : — Head and body 115 mm.; tail 34 ; hind foot 18; 

 ear 12. 



For skull-measurements, see table at p. 153. 

 Type. Adult male. B.YI. No. 22. 12. 1. 10. Original No. 9. 

 Collected Ylay 27, 1921, by Mr. G. Forrest upon the 

 Lichiang Range, N.W. Y^unnan, in latitude 27^ 30' N. 

 Altitude 13,000'.' 

 Hab. As above. 



This species is very sharply distinguished from E. fidelis, 

 which also inhabits the Lichiang Range, by its smaller 

 general size, shorter tail, and especially by its peculiar 

 teeth. In the reduction of iv} it resembles E. olitor, which 

 in all other respects is very different. 



