THE GIANT SQUIRRELS OF INDIA, BURMA & CEYLON. 895 



Dtstrihution. — Type locality Indnigiri River. It seems to range 

 along the whole East Coast of Sumatra. 



17. Ratufa palUata Icevata, Mill, 



mrS. Rahtfa Imnata, Miller, Proc. U. S. Nat. Mus. XXVI., p. 72C. 



Colour. — Quite as in palUata, but 4:116 white tips of the hairs of the 

 tail rather longer, and therefore the white lateral edges of the spread 

 ont tail more marked. 



Skull. — Skull in size and form as in paUiata : the premaxillaries 

 extending farther behind posterior edge of nasals, psilate narrower 

 relatively to its length than in typical paUiata. 



Dimensions, — Head and body, 330 ; tail, 400 : hindfoot 68. Skull ; 

 greatest length, 68 ; basilar length, 52 ; zygomatic breadth, 41 ; 

 nasals, 22 ; interorbital breadth, 27 ; upper molar series, 13. 



Synonymy. — As an island form Miller ranks it as a species. 



Distribution. — Banjak and Batu Islands, West Coast of Sumatra. 



18. Ratufa afinis, Tiaff. 



1822. Sciurusafinis, Raffles, Trans. Linn. Soc. XIIL, p. 259. 



Colovr. — General colour above drab, individual hairs very shortly 

 tipped black, giving a minutely grizzled effect in certain lights, dorsal 

 colour becoming more and more ochraceous towards the flanks, till a 

 stripe about 1 5 mm. broad is pure 'tawny ochraceous*. Colour of 

 lower surface pure white. Tawny ochraceous of flanks extending on to 

 the forearms and hind legs. White of belly extending upward on the 

 thighs. Tail coloured like the back above, white (medially at least) 

 below. Hands and feet white. 



Skull. — Skull small, but in form normal : nasals contracting pos- 

 teriorly to about two-thirds their length, then expanding to posterior 

 margin. In this character resembling indica, etc., and differing from 

 melanopepla, etc. 



Dimensions. — Head and body, 330; tail, 380; hindfoot, 70. 

 Skull; greatest length, 67 ; basilar length, 51; zygomatic breadth, 

 40; nasals, 21 ; diastema, 15 ; braincase breadth, 31; interorbital 

 breadth, 27 ; upper molar series, 13'5. 



Habitat. — Singapore Island, extending northwards on main lanci 

 to Johor. 

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