422 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXIV. 



y. s^m^Z^s from Nepal ... ...= T. lohroides loJcroides (Stim- 



nier). 

 T. similis oioensi ... . ...^T. lohroides owend. 



T. lohroides mearsi , . . . . ^- mearsi mearsi and m. hellona. 



E. — A ^^EW Flying Squierel from Tenasserim . 



By Oldfield Thomas. 



{Published hy permission of the Trustees of the British Museum.^ 



Among the Flying Squirrels obtained for the Survey by Mr. G.. 

 C. Shortridge in Tenasserim is one which is so like the examples 

 he obtained there of Pteromys (Hylopetes) helone that it was not 

 distinguished from them until recently. Now, however, examination 

 shows that it is not a Hylopetes at all, but a most distinct species of 

 the subgenus Petinomys and therefore in no way related to 

 P. helone. It may be called 



Pteromys (Vetinomys') phipsoni, sp. n. 



A 1 'etinomys with the general look of P. (Hylopetes) helone, 

 though the size is smaller. 



General colour above blackish slaty, washed with fulvous or- 

 cinnamon, which becomes deeper and richer on the posterior back.. 

 Under surface cream-buff, whiter mesially. Top of muzzle and 

 crown slaty greyish with fine buffy tips to the hairs ; eyes with a 

 broad deep black line running along above them from the base of 

 the ears to the roots of the whiskers, a narrower black line edging 

 them below. Below this narrow black line the cheeks are bright 

 ochraceous-buffy, this colour passing down on the sides of the 

 throat and chest, where it fades into the general cream-buff of the 

 under surface ; the middle line of the throat white. Ears very 

 small, with tufts of long black hairs, twice the length of the ears, 

 growing from their anterior and posterior bases. Hands and feet 

 dark brown above, cream- buff on the inner sides of the wrists and 

 ankles. Tail distichous, dull buffy for its basal inch above, then 

 smoky brown darkening to black at the end ; below the basal inch 

 is buffy, then the sides are mixed buffy and brown, the buffy then 

 disappearing and the terminal half being black ; middle line of 

 vertebras buffy, edged with dark brown. 



Skull with all the characteristics of Petinomys, the brain-case 

 broad, smooth and strongly bowed, the profile very convex upwards ; 

 bullas large, triangular, flattened, very different to the round 

 inflated bullae of Hylopetes. 



