Part 33

Midas weddellii, Deville, Rev. et Mag. de Zool., 1849, p. 55.

Midas devillii, Is. Geoffr., Cat. Méth. Primates, p. 64 (1851); Castelnau, Expéd. Amér. Sud, Mamm., pl. vi., fig. 2 (1855); Gray, Cat. Monkeys Brit. Mus., p. 67 (1870).

Midas leucogenys, Gray, P. Z. S., 1865, p. 735; id. Cat. Monkeys Brit. Mus., p. 67 (1870).

Hapale devillei, Schl., Mus. Pays Bas, vii., p. 262 (1876).

Hapale weddelii, Schl., t. c. p. 262.

CHARACTERS.--Fur of back ringed with grey; that of the head, neck, and front of the fore- and hind-limbs, tail, hands, and feet black; loins, thighs, legs, and base of tail bright maroon.

DISTRIBUTION.--Obtained by MM. Castelnau and Deville, at Sarayacu, in the Peruvian Amazons.

VII. THE BLACK-FRONTED TAMARIN. MIDAS NIGRIFRONS.

Midas nigrifrons, Geoffr., Cat. Méth. Primates, p. 64 (1851).

Midas flavifrons, var. c. Midas nigrifrons, Gray, Cat. Monkeys Brit. Mus., p. 67 (1870).

Hapale nigrifrons, Schl., Mus. Pays Bas, vii., p. 263 (1876).

{144}CHARACTERS.--Differs from M. weddelli in having the fur washed with rufous, and the hairs finely ringed.

DISTRIBUTION.--Unknown.

VIII. THE BROWN-HEADED TAMARIN. MIDAS FUSCICOLLIS.

Midas fuscicollis, Spix, Sim. et Vespert. Bras., p. 27, pl. 20 (1823).

Midas flavifrons, Is. Geoffr., Cat. Méth. Primates, p. 64 (1851); Castelnau, Expéd. Amér. Sud, Mamm., pl. vi., fig. 1 (1855); Gray, Cat. Monkeys, Brit. Mus., p. 67 (1870).

Midas devillii (nec Is. Geoffr.), Slack, Proc. Acad. Nat. Sc. Philad., 1861, p. 464.

Hapale fuscicollis, Schl., Mus. Pays Bas, vii., p. 264 (1876).

Hapale chrysomelas (nec Kuhl), Schl., t. c. p. 254.

CHARACTERS.--Pelage mostly black; head and face brown or reddish-brown, with some grey hairs; lips white, but the nose black; top of the head yellow, or yellowish-red; back yellow and black; hands and feet black; outside of the limbs and base of the tail reddish; under side of the body and inside of the limbs brownish-red.

The female differs in having the outside of the limbs and the underpart of the body blackish.

DISTRIBUTION.--Brazil.

HABITS.--Nothing is known of the individual habits of this species.

IX. THE YELLOW-TAILED TAMARIN. MIDAS CHRYSOPYGUS.

Hapale chrysopyga, Wagner, in Schreb. Säugeth., i., Simiæ, p. 249 (1840); Schl., Mus. Pays Bas, vii., p. 254 (1876).

CHARACTERS.--Similar to M. fuscicollis. Black, with the thighs, legs, and base of tail rusty-red.

DISTRIBUTION.--Brazil, near Ypanéma, Province of St. Paulo.

{145}X. THE BLACK AND RED TAMARIN. MIDAS NIGRICOLLIS.