24 NYCTICEBUS 



c!" Hands and feet yellowish A', malaianus. 



d!" Hands dark gray, feet red- 

 dish cinnamon A^. hilleri. 



b." Dorsal stripe in rufous area A'^. menagensis. 



c." Dorsal stripe in russet area A^. pygmaus. 



Nycticebus borneanus Lyon. 



Nycticebtis borneanus Lyon, Proc. U. S. Nat. Mus., 1906, p. 535 ; 

 1911, p. 136. 



BORNEAN SLOW LORIS. 



Type locality. Sakaiam River, Sanggan district, West Borneo. 

 Type in United States National Museum. 



Genl. Char. Temporal ridges forming parallel lines on top of 

 skull ; no sagittal crest. 



Color. Band between eyes white; orbital rings brownish black; 

 top of head and line down neck to middle of back, narrowing as it goes 

 until it becomes a mere point, chestnut and burnt umber, lightest on 

 head and neck; upper parts ochraceous buff, becoming tawny ochra- 

 ceous on rump, hairs tipped with silvery white, giving a frosted appear- 

 ance especially on sides of head and neck; flanks and limbs on both 

 sides, and hands and feet pinkish buff ; under parts gray with a pink 

 tinge ; tail like rump. Ex type United States National Museum. 



Measurements. Total length, 305 ; tail. 12 ; foot, 67. Skull : total 

 length, 55.9; occipito-nasal length, 55.5; Hensel, 44.1; intertemporal 

 width, 18.3; zygomatic width, 37.2; median length of nasals, 13.4; 

 palatal length, 17.5 ; length of upper tooth row, 15 ; length of mandible, 

 33.8 ; length of lower tooth row, 13.3. Ex type United States National 

 Museum. 



Nycticebus bancanus Lyon. 



Nycticebus bancanus Lyon, Proc. U. S. Nat. Mus., 1906, p. 536. 



ISLAND OF BANK A SLOW LORIS. 



Type locality. Klabat Bay, Island of Banka. Type in United 

 States National Museum. 



Genl. Char. Similar to N. borneanus, but paler above, and darker 

 beneath ; outer and lower wall of orbit narrow, 3-4 mm. wide ; tem- 

 poral ridges parallel on top of skull ; no sagittal crest. 



Color. White stripe between eyes; orbital rings black; top of 

 head and dorsal stripe to lumbar region tawny ; upper parts and limbs 

 ochraceous buff ; hands and feet paler ; under parts gray and ochraceous 



