NYCTICEBUS 31 



live Loris on board is said never to be becalmed. But its life is not 

 a happy one, for it is continually seeing ghosts ; that is why it hides its 

 face in its hands." 



This is a well-defined race of N. coucang, characterized by absence 

 of face markings, and the general gray color distributed generally, but 

 with a slight reddish tinge on the flanks and outer edge of limbs. 



Nycticebus hilleri Stone and Rehn. 



Nycticebus coucang hilleri Stone and Rehn, Proc. Acad. Nat. 



Scien. Phil., 1902, p. 139. 

 Lemur tardigradus Raffles, Trans. Linn. Soc. Lond., XIII, 1822, 



p. 247, (nee Linnaeus). 

 Nycticebus hilleri Lyon, Proc. U. S. Nat. Mus., 1906, p. 534. 



HILLBR'S SLOW LORIS. 



Type locality. Batu, Sangar, Tanah Datar, Padangsche Boven- 

 land, Sumatra. Type in Academy of Natural Sciences of Philadelphia. 



Geogr. Distr. Sumatra. 



Genl. Char. Differs from N. malaianus in the more strongly 

 marked dorsal line, and the predominance of chestnut brown in the 

 general coloration. From N. javanicus it is distinguished by the less 

 defined head bars, and the brown crown patch which grades away into 

 the surrounding tint. 



Color. Upper parts reddish cinnamon washed with ecru, to a 

 pale gray tinged with red in other specimens ; dorsal line distinct seal 

 brown ; crown patch mars brown ; head bars not distinct and merging 

 into the hoary tint of the head ; orbital ring black ; stripe on nose and 

 forehead between eyes pure white ; cheeks whitish with paler red tinge ; 

 throat silvery gray ; under parts pale wood brown with a slight reddish 

 tinge ; limbs and arms isabella color with a reddish tinge ; legs like 

 back; hands dark gray; feet reddish cinnamon. Ex type Academy of 

 Natural Sciences of Philadelphia. 



Measurements. Skull: total length, 62; Hensel, 49; zygomatic 

 width, 46; palatal length, 15; median length of nasals, 15; length of 

 upper molar series, 18 ; length of mandible, 41 ; length of lower molar 

 tooth row, 16. Ex type Academy of Natural Sciences of Philadelphia. 



Specimens vary greatly and some are yellowish gray, with dorsal 

 line black, base of hairs russet, and the line practically disappearing 

 on the center of back ; under parts pale yellowish gray. 



