_Simia amicta_, Humboldt, Obs. Zool., i., p. 357 (1811).
_Callithrix amicta_, Spix, Sim. et Vespert. Bras., p. 19, pl. xiii.
(1833).
_Callithrix amictus_, Geoffr., Ann. Mus., xix., p. 114 (1812); Gray, Cat.
Monkeys Brit. Mus., p. 54 (1870).
_Callithrix torquata_, Schl., Mus. Pays Bas, vii., p. 235 (part, 1876).
CHARACTERS.--Agrees with the last species in the character of the fur; but
the general colour is black, washed with rufous; the forehead is black; the
chest has a pure white spot; the hands are white, but the feet black; the
tail has the hairs entirely black throughout.
DISTRIBUTION.--Guiana.