\ 



A THIRD COLLECTIONS OF SIAMESE MAMMALS. 303 



duller and more of a f;i\vn pcilour and no rufous spots above the eye ; 

 it is more brownish below (fawn coloured) and (he parachute is darker 

 throughout. 



P. a. harroiii of Centnd and S. E. Siaui (antea, pp. 33,81) 13 

 altogether a paler animal thouoh 1|t;s markedly grey above ; it has 

 membranes brighter and much less black-edged, white patches on the 

 slionlders and the front of the membrane adjacent bright ferruginous, 

 tlte proecfote whitish, and only tlie last tliree or four inches of the 

 tail black. 



An example of Barron's Flying Stjuirrel was kejit for some time 

 l>y Dr. ^falcolm Smith in his house where it was given comjilete free- 

 duui: it made a charming pet though it slept for the greater part of 

 the day. We noticed with interest that the principal use of the cal- 

 catieum, or bony spur, attached to the outer side of the wrist was to fokl 

 uj) and support the parachute when the animal was running and 

 leaping abiiut : without this ))rovison fur tucking away the membrane 

 the squirrel would apparently be unable to walk for tripping over it- 

 self. Mr. ii. W. (1. Hingston who has given a long account of " the 

 attitudes and movements of the large red flying scpiirrel Pciaurisia 

 i/iorudtu!'" does not seem to have remarked this.f 



21. Petaurista petaurista melanotus 



Ptfritmyn melamitn^ Grav, Ma;,'. Nat Hist , New Sories, i, p. 584, 



(1837) 

 Petditrii-ia niti<hi mi-hiniitiis Thomas, Ann. and Map;. Xat. Uist., ( 8 ) 



i, p. 200 ( 1908). 



1 $ ad.. Bang Nara, Patani, Peninsular Siam. 11 Aug. 1016. 

 Messrs. Williamson and Smith's collectors ( No. 2497 ). 



This race of the Large Red Flying-scpiirrel differs principallj- 

 from P. ji. rii'ur (antea, p 14) in having the black-tipped liairs much 

 reduced in number. The sjjecimen is rufous (burnt sienna) above and 

 the black- tips are confined to the middle line of tlie shoulders and back. 



Collectors' external measurements : head and body, 425 ; tail, 

 505 ; hind-foot, s. n., 73 ; ear, 43. 



Skull : greatest length, 72 ; condylo-basilar length, 62.2 ; pala- 



t Journ. Bombay N. H. Soc . xxiii, p. 344 (1914). 



VOL. II DKC. I'.il7, 



