86 CEBUS 



Cebus capucixus nigripectus Elliot. 



Cebus capucinus nigripectus Elliot, Bull. Am. Mus. Nat. Hist., 

 N. Y., 1909, p. 229 ; Allen, Bull. Am. Mus. Nat. Hist., N. Y., 

 XXXI, 1912, p. 95. 



Type locality. Las Pubas, Cauca Valley, Colombia. Type in 

 American Museum Natural History, New York. 



Genl. Char. Forehead bistre, chest black. Upper molar series 

 small. 



Color. Sides of head and neck, chin, throat, shoulders and outer 

 side of upper arms yellowish white ; forehead bistre ; top of head, back 

 of neck, chest, body above and beneath, lower arms, legs, hands, feet 

 and tail jet black. 



Measurements. Total length, 835; tail, 430; foot, 120; ear, 30, 

 (Collector). Skull: occipito-nasal length, 89; zygomatic width, 538; 

 width of braincase above root of zygoma, 52 ; length of braincase from 

 margin between orbits, 75.1 ; Hensel, about 68.5 ; skull broken ; length 

 of upper molar series, 32.1 ; width of last molar, 35 ; length of man- 

 dible on lower margin, 44.9; width at symphysis, 13.7; height of 

 ascending ramus, 28.5 ; length of lower molar series, 25.9. 



While resembling the typical C. capucinus (Linn.), in general 

 appearance this species differs in the color of the forehead which is 

 bistre, and not white nor yellowish white, and also in the black chest, 

 the white of the throat not extending downward. The skull also differs, 

 in having a longer braincase, and is not wide over root of zygoma as 

 is the skull of C. capucinus (Linn.). The orbits are smaller, the 

 nasals narrower and the teeth of the upper molar series much shorter, 

 the last molar being about half the size of wt^ and appearing minute 

 when compared with the other molars. 



The Collector, the late J. H. Batty, stated that this monkey was 

 not found in low lands, but is a mountain species, a sagacious and shy 

 animal, and an expert jumper. 



Cebus frontatus Kuhl. 



Cebus frontatus Kuhl, Beitr. Zool., 1820, p. 34; Desm., Mamm., 

 1820, p. 32 ; I. Geoff., Cat. Primates, 1851, p. 44 ; Dahlb., Stud. 

 Zool. Fam. Reg. Anim. Natur., fasc. I, 1856, pp. 161, 166; 

 Schleg., Mus. Pays-Bas, Simije, 1876, p. 206, (Part.); von 

 Pelz., Zool.-Bot. Ges. Wien, 1883, Beiheft, p. 13; Goldi, 

 Mamm. Bras., 1893, p. 41, (note). 



