RESULTS FROM THE MAMMAL SURVEY. 227 



dull brown of the old bleached fur of R. lohmopepla. Tail-hairs 

 mixed brown and black, except in the young specimens, in which 

 they are black tipped with rufous. 



Dimensions of the type : — Head and body, oG5 mm.; tail, 435 ; 

 hindfoot, 77; ear, 28. Skull : — Greatest length, 72; condylo-inci- 

 sive length, 64; upper tooth series, 13*7. 



Habitat. — Yin, East bank of Lower Ohindwin. Alt. 250'. 



Tt/pe.— Adult male. B. M. No. 15. 5. 5-55. Original number 5379. 

 Collected 13th June 1914. Twenty-one specimens. 



This Ratufa is readily distinguishable Irom R. phceoi^eiolci and 

 melanopepla, with which alone it needs comparison, by* the much 

 lighter colour of the trunk, and by the bleaching nearly to white 

 of the old fur before replacement. Owing to the accident that all 

 the adult specimens obtained during the Survey expedition were 

 taken when half or more of the back was in this bleached condi- 

 tion, the difference is made to appear rather more striking to the 

 eye than would be the case if two round-the-year series were 

 compared with each other. But there is no doubt that the animal 

 should be distinguished specifically, all the more that Mr. Shortridge 

 tells us that no Ratufas occur between this and Mt. Popa, the 

 nearest locality of R. 'pliceoiDe-pla. Moreover the skull agrees in size 

 with that of true mekmopepla of the Malay Peninsula, and not 

 with that of the large Burmese R. p. marana. 



We have named this fine animal in honour of Mr. G. B. H. Fell, 

 C.I.E., I.O.S., to whom Mr. Shortridge has been immensely indebted 

 for help of all kinds throughout his stay in Burma. 



R. fellii would seem to have a very restricted range, as it was 

 only obtained at the one locality Yin. 



While working out the Chindwin Ratufas we have again 

 examined those from Mt. Popa in the light of Mr. Miller's paper 

 on the tnelanopepla group, and find chat they are most nearly allied 

 to his R. pliteopepla of S. Tenasserim, but may be subspecifically 

 distinguished as follows. 



Ratufa phceope2Jla onarana, subsp. n. 



Size as in R. phoeopepla, the skull markedly larger than in true 

 melanope'pla and other forms from the regions South of Tenasserim. 

 Colour of body when in fresh pelage black, not brown as in 

 phceopepla. 



Dimensions in flesh of the type : — Head and body, 390 mm. ; 

 tail, 470 ; hindfoot, 86 ; ear, 30. Skull : — Greatest length, 74-3 ; 

 condylo-incisive length, 67*5 ; upper toothrow, 14-4. 



Habitat. — Dry zone of Burma. Type from Mt. Popa. 



Type.— Adult female. B. M. No. 14. 7. 19. 107. Original number 

 3,892. Collected 26th September 1913 by G. 0. Shortridge. Pre- 

 sented by the Bombay Natural History Society. 



