THE GIBBOxMS. 155 



IJylobates leuciscus, Kuhl, Beitr. Zool., p. 6 (1820); Desmar. 

 Mamm., p. 51 (1820); Martin, Mammif. An., p. 416 (184 1); 

 Is. Geoffr., Cat. Meth. Primates, p. 7 (1851); Wagner, 

 Schreb., Saugeth. Suppl. v., p. 16 (1855); Gray, Cat. 

 Monkeys Brit. Mus., p. 15 (1870); H.O.Forbes, Nat. 

 Wand. East. Arch., p. 70 (1875) ; Schl., Mus. Pays-Bas, 

 vii., p. 19 (1876); Anderson, Zool. Res. Exped. Yun- 

 nan, p. 7 (1878; with full synonymy). 



B. Borne a7i Race {H. concolor). 



Simia concolor, Harlan, Journ. Acad. Nat. Sc. Phil., v., p. 229 



pi. ii. (1827). 

 Hylobaies harlani, Less., Bull, des Sc. Nat., xiii., p. iii (1827). 

 Hy Mates concolor, Schl., Essai Phys. Serp., p. 237 (1837) ; 



S. Muller, Verhand. Gesch., p. 48 (i 841); Blyth, J. A. S. 



Beng., X., p. 838 (1841); Martin, Mammif. An., p. 417 



(1841); Fry, P. Z. S., 1846, p. 15; Wagner in Schreb. 



Saugeth. Suppl. v.. p. 17 (1855 ; in part) ; Schleg., Mus. 



Pays-Bas, vii., p. 20 (1876); Anderson, Zool. Res. Exped. 



Yun-nan, p. 11 (1878). 

 Hylobates miilleri, Martin, Mammif. Anim., p. 444 (1841) ; Is. 



Geoffr., Cat. Meth. Primates, p. 7 (1851); Schlegel, 



Mus. Pays-Bas, vii., p. 21 (1876); Anderson, Zool. 



Res. Exped. Yun-nan, p. 8 (1878; with full synonymy); 



Hose, Mammals of Borneo, p. 6 (1893). 

 ' lylo bates funereus, Is. Geoffr., C. R., xxxi., p. 874 (Dec, 1850) ; 



Wagner in Schreb. Saugeth. Suppl. v., p. 18 (1855). 

 ? Hylobates fuscus, VI m^lovf Lewis, Bost. Journ. N. Hist., i., 



pt. i., p. 32, pis. i., ii. (1834). 



Characters.— Fur thick, long and woolly. General colour 

 ashy-grey, paler on the lower back and rump ; hair round 



