Part 30

CHARACTERS.--Hair of back and sides moderately long, silky, brownish-grey; nape and occiput darker; face and head covered with short sparse white hair; ears large, naked, and without tufts; throat greyish-brown; under side of body and {135}inside of legs rusty-red; fore-arm, hands, and feet white--the hairs short, blackish or black, with white tips. Head and body, 11½ inches long; tail, 14½ inches. Dorsal and lumbar vertebræ together, 19.

FEMALE.--Similar to the male, but with the hairs of the upper parts silver-tipped.

DISTRIBUTION.--Medellin, in the province of Antioquia, United States of Colombia.

HABITS.--Unknown.

V. THE GOLDEN MARMOSET. HAPALE CHRYSOLEUCA.

Hapale chrysoleucos, Wagner in Wiegm. Arch., 1842, i., p. 357; id. in Schreb. Säugeth., Suppl., v., p. 125 (1855); Sclater, P. Z. S., 1869, p. 594.

Mico sericeus, Gray, P. Z. S., 1868, p. 256, pl. xxiv.

Miocella chrysoleucos, Gray, Cat. Monkeys Brit. Mus., p. 131 (1870).

Miocella sericeus, Gray, Cat. Monkeys Brit. Mus. App., p. 131 (1870).

Hapale chrysoleuca, Schl., Mus. Pays Bas, vii., p. 227 (1876).

CHARACTERS.--Ears large, naked, exposed, margined with long white hairs. General colour white; limbs, under surface, and tail, uniform greyish-yellow, or reddish-brown in some varieties.

DISTRIBUTION.--Forests of Brazil; vicinity of Borba, on the Rio Madeira.

VI. THE PIGMY MARMOSET. HAPALE PYGMÆA.

Jacchus pygmæus, Spix, Sim. et Vespert. Bras., pl. xxiv., fig. 2 (1823).

Hapale pygmæa, Wagner in Schreber, Säugeth., v., p. 126 (1855). Castelnau, Voy. Amér. Sud, pl. 5, figs. 1, 2; Schl., Mus. Pays Bas, vii., p. 277 (1876).

{136}Cibuella pygmæa, Gray, Cat. Monkeys Brit. Mus., p. 64 (1870).

CHARACTERS.--Face with long brown whiskers, naturally brushed back over the ears; ears small, with a few scattered hairs over them, but no ear-tufts, sunk in the long fur of the head. General colour brownish-tawny; tail ringed with black. The young resemble the adults from their earliest days.

This is the most diminutive Monkey known, and measures only six inches in length.

DISTRIBUTION.--Forests of Brazil, extending north into Mexico. Mr. Bates remarks in reference to this species: "I was surprised on my return to England to learn that the Pigmy Marmoset was found also in Mexico, no other Amazonian Monkey being known to wander far from the great river plain. Thus the smallest, and apparently the feeblest, species of the whole order is one which has by some means become the most widely dispersed."

HABITS.--Little or nothing is known of the habits of this individual species, but there is very little doubt that they agree closely with those of the Common Marmoset.

VII. THE BLACK-TAILED MARMOSET. HAPALE MELANURA.

Simia argentata, Linn., Syst. Nat., p. 40 (1766), albino var.

Jacchus melanura, Geoffr., Ann. Mus., xix., p. 120 (1812); Gray, P. Z. S., 1865, p. 734.

Jacchus argentatus, Geoffr., t. c. p. 120.

Hapale melanura (nec Kuhl); Wagner in Schreb., Säugeth., i., p. 127, fig. 36 (1840), and Suppl. v., p. 15, fig. 13 (1855); Scl., P. Z. S., 1875, p. 419, pl. l.; Schl., Mus. Pays Bas, vii., p. 267 (1876).

Midas argentatus, Bates, Nat. Amaz., i., p. 162 (1863).

{137}Mico melanurus, Gray, Cat. Monkeys Brit. Mus., p. 64 (1870).

Hapale argentata, Schl., Mus. Pays Bas, vii., p. 268 (1876).