04 cebidje. 



Var. 6. Head and neck black, like var. 3 ; but no white spot on 

 the nose. Young without any ear-tufts. 



The young animals are nearly black, without any pencil to the 

 ears, and with the tail ringed. The young J. penicillatus has no 

 white spot on the nose. 



See Jacchus chrysopygris, Natterer ; Mikan, Del. Flor. et Faun. t. 

 Black ; rump and inner side of thighs golden ; forehead lurid 

 yellow ; mane descending below the humerus. Hab. Brazil. 



14. CEBUELLA. 



Ears small, short, slightly hairy externally, hid in the elongated 

 reversed hair of the crown ; no ear-tufts. Tail darker-ringed. 

 Back punctulated. Lower cutting-teeth elongate, cylindrical, as 

 long as the canines. 



Jacchus, § Cebuella, Gray, P. Z. S. 180G. 



Cebuella pygmaea. B. M. 



Fur ferruginous yellow, black- and red-varied ; neck, chest, 

 belly, and inside of the limbs yellowish ; hands and feet yellow 

 brown. 



Ilapale pygmaia, Spix, Bras. p. 32, t. 24. f. 2 ; Is. Geoff. ; Castelnau, 

 Expkl. Amer. Sud, t. 5. f. 1, 2. II. (Cebuella) pyguuea, Gray, 

 P.Z.S. 1800. 



Hab. Brazil. 



15. MICO. 



Ears large, exposed, naked externally, and internally without any 

 pencil of hairs. Tail black, not annulated. Lower cutting-teeth 

 elongate, slender, cylindrical, as long as the canines. 



Mico (part.), Lesson. Jacchus, § Mico, Gray, P. Z. S. 1800. 



Mico melanurus. B. M. 



Fur ashy brown ; head and limbs dark brown ; front of body 

 paler ; front of thighs and band across loins Avhitish ; tail black. 



Jacchus melanurus, Geoff'. J. leucomeros, Gray, Ann. $■ May. N. If. 

 1840 ! J. (Mico) melauurua, Gray, P. Z. S. 1800 ! Ilapale niehunua, 

 Wagner f Schreb. v. p. 15. 



Albino. Body, hoad, and limbs white ; tail black. B. M. 



Mico, liuffon, II. N. Simia argentata, Linn. Jacchus drgentatus, 

 Geoff. Fair Monkey, Pennant. Cebus canus, lilainv. Osteogr. 



Hab. Brazil ; Bolivia, Bridges. 



* * Lower cutting-teeth short, truncated ; loiver canines conical, exserted. 



10. LEONTOPITHECUS. 

 Head covered with elongate hairs, those round the face bent back- 



