THE TlTl MONKEYS. I65 



X. THE BLACK-HANDED TITI, CALLITHRIX MELANOCHIR. 



Callithrix 7nelanochir, Neuwied, Beitr., ii., p. 114, et Abbild., 

 iv.; Gray, Cat. Monkeys Brit. Mus., p. 57 (1870); Schl., 

 Mus. Pays Bas, vii., p. 233 (1876). 



Characters. — General colour red, but the crown of the head, 

 the throat, and inner side of the limbs, mixed black and grey ; 

 the hands and feet black. 



Distribution. — This species has been recorded from Bahia, on 

 the east coast of Brazil. 



XI. THE GREY TITI. CALLITHRIX GIGOT. 



Callithrix gigof^ Spix, Sim. et Vespert. Bras., p. 22, pi. 16 

 (1823) ; Schl., Mus. Pays Bas, vii., p. 234 (1876) ; Wel- 

 don, P. Z. S., 1884, p. 6. 



Callithrix gigo^ Gray, Cat. Monkeys Brit. Mus., p. 57 (1870). 



Characters. — Hair about two inches long, soft and slightly 

 woolly over the trunk ; hair on the forehead shorter and more 

 thickly set ; that over the limbs short and loose. General 

 colour of the back reddish-grey behind, more ashy over the 

 forehead and limbs; the hair black at the base, cream-coloured 

 further up, the tips ringed w^ith chestnut and black. Muzzle 

 and chin black, with a few short, strong, white hairs ; a black 

 line along the nose and round the eyes ; the eyelids white ; 

 the eye-lashes and long eye-brows black ; forehead thickly 

 covered with loose grey hairs, slightly tipped with black; a 

 faint ridge across the brow between the ears ; the ears black, 

 covered with soft black hairs, except for a small grey tuft 

 at their hind outer angle. In front of the ears a light grey 

 band over the cheeks, continued above on to the forehead, 

 below to the chest; throat naked, light pink; under surface 



