NASALIS : 111 
GENUS IV. NASALIS. PROBOSCIS MONKEY. 
2—2 1—1 2—2 3—3 
I. 2—23 C: j—13 P: 225 M. 3-3 32: 
NASALIS E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 1812, p. 90. 
Type Cercopithecus larvatus Wurmb. 
Rhinalazon Glog., Hand u. Hilfsb. Naturg., I, 1841, pp. XX VII, 
36. | 
Rhynchopithecus Dahlb., Stud. Zool., I, Andra Haftet, 1857, pp. 
83, 91-94, Tab. IV. 
Nose proboscis-like, capable of dilatation; nostrils opening down- 
wards, separated by a thin septum; nose furrowed in center in adult 
males, seeming to be double; forehead low; eyes separated widely; 
laryngeal sac large; ears small; chin bearded; hair on upper part of 
body and head long. One species only known. 
NASALIS LARVATUS (Wurmb). 
Cercopithecus larvatus Wurmb, Mag. Neuste. Phys. u. Nat., II, 
1784, p. 7. 
Simia (Cercopithecus) nasicus Kerr, Animal Kingd., 1792, No. 
55; Kuhl, Beitr. Zool., 1820, p. 12. 
Cercopithecus capistratus Kerr, Animal Kingd., 1792, No. 56. 
Nasalis larvatus E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 
1812, p. 91; Less., Spec. Mamm., 1840, p. 66; Jacq. et Pucher., 
Voy. Pole Sud, Zool., III, 1853, p. 17, pls. II, IZA, IIB; 
Reichenb., Vollstand. Naturg. Affen, 1862, p. 124, figs. 317- 
320; Lenz., Zool. Gart., XXXII, p. 216; Gray, Cat. Monkeys, 
Lemurs and Fruit-eating Bats, Brit. Mus., 1870, p. 8; Hose, 
Mamm. Borneo, 1893, p. 8; Forbes, Handb. Primates, I], 
1894, p. 140; Lyon, Proc. U. S. Nat. Mus., 40, 1911, p. 141. 
Cercopithecus nasicus Desm., Nouv. Dict. Hist. Nat., XV, 1817, 
p. 574; Wagn., Schreb., Saugth. Suppl., I, 1840, p. 102, 
pl. XB. 
Simia nasica F. Cuv., Dict. Scien. Nat., XV, 1821, p. 32. 
Semnopithecus nasicus Desmoul., Dict. Class. Hist. Nat., VII, 
1825, p. 570; E. Geoff., Cours Hist. Nat. Mamm., 1828, p. 11, 
8me Lecon; Schinz, Syn. Mamm., I, 1844, p. 43; Wagn., 
