6 SIMIADH.—-HYLOBATES, 
HYLOBATES. 
a me ° = 2-2 3-3 
Tceth :—Incisors +3 Canines a3 Premolars =; Molars = 3382. 
The Sitvery Grszon, or Wov-Wov. Hylobates leuciscus. 
Van der Hoeven, Verz. de Platen, pl. 19. fig. 18 (skull),—Handbuch 
der Zoologie, p. 796. taf. 9. fig. 8 (skull), 1852-56. 
a, Skull. 
The Ounexa. Hylobates agilis. 
Dahlbom, Zoologiska Studier, pl. 3. fig. 9 (clavicula), fig. 10 (ster- 
num), 1857. 
Pithecus variegatus, Blainv., Ost. Atl. G. Pithecus, pl. 2 (skeleton). 
a. Skull. 
The Gipson. Hylobates lar. 
Buffon, Hist. Nat. xiv. pl. 6 (skeleton), p. 108. 
. Skull. From the Zoological Society’s Collection. 
. Skull. Tenasserim. Presented by Professor Oldham. 
c. Skull. From the Zoological Society’s Collection. 
ra 
The Hootock Gispon. Hylobates hoolock. 
Martin, Nat. Hist. of Man and Monkeys, p. 488. fig, 275 (skull), 
p. 442, 
a,b. Skull. From the Zoological Society’s Collection. 
c. Skeleton (imperfect). From the Zoological Society’s Collection. 
*d, Skull. From the Zoological Society’s Collection. 
The Wuire-cHEEKED Gispon. Hylobates leucogenys. 
Martin, Nat. Hist. of Man and Monkeys, fig. 276 (skull), p. 445. 
PRESBYTES. 
. 2-2 s 1-1 2- a 
Teeth :—Incisors =>; Canines ia; Premolars 3 Molars = 3= 32. 
The Cutnexav. Presbytes cristatus. 
a. Skull. Java. 
b. Skull; young, 
ce. Skull, Sumatra. From the Zoological Socicty’s Collection. 
d, Skull: young, 
