RESULTS FROM THE MAMMAL SURVEY, 423 



Dimensions of the type, measured in flesh : — 



Head and bodjr, 123 mm. ; tail, 116; hindfoot, 24; ear, 14-5. 



Skull: — Greatest length, 31; condylo-incisive length, 29-2; 

 zygomatic breadth, 18-6; nasals, 7-8 x 4*3 ; interorbital breadth, 6; 

 mastoid breadth, 17 ; palatilar length, 13 ; upper tooth series exclu- 

 sive of p. ', 5-2. 



Hahit^it — Tenasserim ; type from Tenasserim village. 



3%/e.— Adult female.' B. M. No. 14.12.8.243. Original 

 number, 5050. Collected 10th April 1914 by G. C. Shortridge. 

 Presented to the National Museum by the Bombay Natural 

 History Societ}^ 



Like as this species is to P. (Hyloijetes) helone and its allies, 

 within the subgenus Petinomys it is so widely distinct from any 

 described form as to need no detailed comparison. Perhaps its 

 nearest relation is F. setosits, Temm., but that has none of its strik- 

 ing colour characteristics. 



I have named this beautiful little animal in honour of Mr. H. 

 M, Phipson, the former Secretary of the Society, to whose initiative 

 and enthusiasm the Society owes so much of its prosperity, and to 

 whose ready help most Indian Zoologists have at various times 

 been so greatly indebted. 



F. — A NEW Flying Squirrel from the Chin Hills. 

 By 0. Thomas, f.r.s. and R. C. Wroughton. 



(Published by permission of the Trustees of the British Museum.') 



In Mr. Mackenzie's collection there are two specimens, adult and 

 young, of a new FMng Squirrel, widely different from any known 

 Indian one, and only related to Yunnan and Malaj^an forms. It 

 may be called 



Petaurista sybilla, sp. n. 



A small species nearly related to P. mariea, Thos. Size, as gauged 

 by skull, slightly less than in marica. Fur fine and soft, wool hairs 

 •of back about 27mm. in length, the longer hairs attaining 36. 

 Coloration nearly similar to that of marica, hut practically without 

 white spots, a single one only present on the right hip of the type. 

 Dorsal area grizzled ochraceous tawny, more olivaceous anteriorly, 

 deeper tawny posteriorly. Parachute brilliant rufous. Under- 

 surface bright ochraceous buff, edged with the brilliant rich rufous of 

 the parachute ; a black spot on the chin. Head rather more tawny 

 than back, not blacker as in marica, a narrow blackish edge along 

 the upper side of the orbits continued forward towards the muzzle ; 



