SIMIAS 109 
GENUS III. SIMIAS. PAGI ISLAND LANGUR. 
2—2 1—1 2—2 3—3 
eer Se aks goat A ge 92, 
SIMIAS Miller, Miscel. Coll. Smith. Inst. Wash., 1903, p. 671. Type 
Simias concolor Miller. 
Skull as in Nasatis, but less pronounced rostrum, and narrower 
nasals. Nose like Ru1NopitHEcus. Tail one third the length of head 
and body, naked except at tip which is tufted. Ischial callosities 
large. Teeth as in RuinopiruHecus. No cheek pouches. 
Sim1As coNcoLor Miller. 
Simias concolor Miller, Miscel. Coll. Smith. Inst. Wash., 1903, 
p. 671. 
PAGI ISLAND LANGUR. 
Type locality. South Pagi Island, Sumatra. Type in United 
States National Museum. 
Genl. Char. Nose and teeth like RHINOPITHECUS ROXELLANZ 
and R. pieti. Skull as in NASALIS LaRVATUS, but smaller rostrum, 
less produced, and nasals narrow; size like PITHECUS NEMESTRINUS; 
tail one third the length of head and body, naked, tip tufted; tufts 
of hair over ears and on each side of chin. 
Color. General hue of head, body above and beneath, and limbs 
clove brown becoming black on hands and feet; hind neck, and shoul- 
ders, back and upper arms, the hairs annulated with buff; face, palms, 
soles, and callosities black ; tail bare, tuft clove brown. Ex type United 
States National Museum. 
Measurements. Total length, 740; tail, 190. Skull: total length, 
135.3; occipito-nasal length, 88.7; Hensel, 74.7; intertemporal width, 
40 ; zygomatic width, 74.5; palatal length, 36.3 ; median length of nasals, 
19.4; length of upper molar series, 30; length of mandible, 72; length 
of lower molar series, 35. Ex type United States National Museum. 
This is a very remarkable species, allied in some respects to the 
members of Rhinopithecus, but very distinct from them both generically 
and specifically; and if it had not been overshadowed by the large 
size and brilliant or striking coloration of those animals, would doubt- 
less have been considered one of the most remarkable discoveries 
