_Callithrix personatus_, Geoffr., Ann. Mus., xix., p. 113 (1812); Spix,
Sim. et Vespert. Bras., p. 18, pl. 12 (1823); Gray, Cat. Monkeys Brit.
Mus., p. 56 (1870).
_Callithrix brunnea_, Wagner, Arch. f. Naturg., 1842, i., p. 357 (ex
Natterer, MSS.).
_Pithecia melanops_, Vigors, Cat. Coll. Zool. Soc., p. 6.
_Callithrix personata_, Schl., Mus. Pays. Bas, vii., p. 231 (1876).
CHARACTERS.--Size larger than that of the other Titis. Style of fur the
same as in the previous species, but longer, and the long stiff hairs more
bristly; general colour black, mottled with grey rings on the hairs; back
grizzled grey; entire head, hands, feet, and lower part of limbs, black;
chest, under side of the body, and tail dark ashy-grey, the latter washed
at the base, sometimes extensively, with rufous, and grey towards the tip
below.
FEMALE.--Body strongly washed with whitish-yellow, and the tail with
rufous; forehead between the ears, black.
{164}DISTRIBUTION.--Upper Amazon. Of all the species of the genus, this
ranges furthest to the south--to 14° S. lat.