CEBUS. 735 
178. Cebus. 
tv 
ci; P22; M2 = 36. 
*2—2? “I—I — 3 
Cebus Erxl., Syst. Régn. Anim., 1777, 1, Pp. 44- Type—? 
Form rather robust, much stouter than that of the members of 
Fic. 167. CEBUS HYPOLEUCUS. 
No. £20 Coll. Field Columbian Mus. Nat. size 
