80 CEBUS 



Cebus (Calvptrocebus) olwaceus Reichenb. Vollstand. Naturg. 



Affen, 1862, p. 42, pi. VII, figs. 106, 107; pi. VIII, fig. 122. 

 Cebus (Calvptrocebus) apella Reichenb., Vollstand. Naturg. 



Affen, 1862, p. 56, pi. VII, figs. 103-107. 

 Cebus (Calyptrocebus) nigrivittatus Reichenb., Vollstand. Naturg. 



Affen, 1862, p. 56, pi. VI, fig. 99 ; pi. VIII, fig. 123. 

 Cebus annellatus Gray, Proc. Zool. Soc. Lond., 1865, p. 827 ; Id. 



Cat. Monkeys, Lemurs and Fruit-eating Bats, Brit. Mus., 



1870, p. 51; Schleg., Mus. Pays-Bas, Simiae, 1876, p. 194; 



Forbes, Handb. Primates, I, 1894, p. 213. 

 Cebus fallax Schleg., Mus. Pays-Bas, Simise, 1876, p. 210. 



(Example of C. apella with skeletal defect). 



WEEPING CAPUCHIN. 



Type locality. Surinam, or Dutch Guiana. 



Geogr. Distr. English, Dutch and French Guianas. 



Genl. Char. Black cap on head, white spot on temple and white 

 line on forehead. This may be considered the typical style. In other 

 examples the white extends backward, often leaving only a narrow 

 black line on the forehead. 



Color. Top of head, and line on sides of face meeting under 

 chin, black ; whitish spot on temples ; upper parts and thighs Vandyke 

 brown ; dorsal region blackish ; forearms, legs, feet and tail black ; no 

 tufts on ears; sides of head below ears, upper lip and under parts 

 yellowish white, sometimes with a golden tinge ; inner side of arms and 

 legs black. 



Measurements. Skull: occipito-nasal length, 79; Hensel, 64; 

 zygomatic width, 61 ; intertemporal width, 40 ; median length of nasals, 

 9 ; length of upper molar series, 20 ; length of mandible, 57 ; length of 

 lower molar series, 24. Vertebrae : Cervical, 7 ; Dorsal, 14 ; Lumbar, 5 ; 

 Sacral, 3 ; Caudal, 23-27. 



The SiMiA APELLA Linnaeus as described and figured in the 

 Museum Regis Adolphi Frederici, p. 1, pi. I, 1754, is the animal known 

 generally to Authors as Cebus capucinus. Under that species I have 

 demonstrated (1. c.) that the capucinus Linn., was the animal after- 

 ward named by Humboldt hypoleucus, and consequently the capucinus 

 of Authors was a misnomer. 



Linnaeus' description and plate of this species in the work above 

 cited, though not so clearly demonstrable perhaps as in the case of 

 his CAPUCINUS, leave little room for doubt that apella was applied 

 to the familiar monkey known to all as the typical Capuchin, the one 

 with the "colore fuscum, sive griseo nigricans uti martes, at pedes et 



