XV. THE CRAB-EATING MACAQUE. MACACUS CYNOMOLOGUS.

_Simia cynomologus_, Linn., Syst. Nat., i., p. 38 (1766); Schreber,

Säugeth, i., p. 91, pl. xiii. (1775).

_Le Macaque_, F. Cuv., Hist. Nat., Mammif., livr. xxx., xxxi. (1819).

_Macacus carbonarius_, F. Cuv., Hist. Nat., Mamm. livr. xxxii. (Oct.,

1825).

_Macacus aureus_, Geoffr. in Belang. Voyage, Zool., p. 58 (1834).

_Macacus philippensis_, Is. Geoffr., Cat. Méth Primates, p. 29 (1851).

_Inuus (Macacus) palpebrosus_, Wagner in Schreb. Säugeth, Suppl., v., p.

54 (1855).

_Macacus fur_, Slack, Proc. Acad. Sc. Philad., 1867, p. 36, plate.

_Macacus cristatus_, Gray, Cat. Monkeys, Brit. Mus., p. 30 (1870).

_Macacus assamensis_, Gray, _t. c._, p. 31.

_Cercocebus cynomologus_, Schl., Mus. Pays-Bas, vii., p. 101 (1876).

_Macacus cynomologus_, Anderson, Zool. Exped. Yun-nan, p. 73 (1878; with

synonymy); Blanford, Faun. Brit. India Mamm., p. 21 (1891).

CHARACTERS.--Body large and massive; head large and broad; legs short and

stout; loins slender; hinder quarters heavy; tail thick at the root, nearly

equalling the body in length; muzzle long; nose not prominent above the

face; eyes large; ears erect, pointed, nearly hairless; frontal ridges not

much overhanging the eyes.

Face pale brown, or livid with a bluish-white patch internal {32}to the

eyes, the eyelids bluish-white; ears, hands, and feet black; callosities

bright or dusky flesh-colour; fur straight; hair of the crown not

elongated, directed backwards, sometimes radiated or slightly crested;

general colour of the upper surface dusky or greyish-brown, varying to

reddish- or golden-brown; under surface of the body and inside of the limbs

brownish-grey to white, the hairs being dark at their roots, and higher up

ringed with yellow and brown or black; scrotum brown, blotched with livid

blue. Length, 22 inches; tail, 19 inches. The females are smaller.

Of this species there are several varieties or races, one in which the

prominent colour is golden-rufous (_M. aureus_, Geoffr.); another (_M.

carbonarius_, F. Cuv.) in which blackish-brown is the prevailing tint of

the face, naked hands, feet, and callosities; a third race has a light

yellow fur (_M. cristatus_, Gray); still another (_M. philippensis_), from

the Philippine Islands, is nearly white.

DISTRIBUTION.--This species is one of the most widely distributed of all

the Macaques. The more typical specimens are found in Burmah and Arakan. In

Siam a pale variety with less orange in the annulations of its hairs

occurs. In the Nicobar Islands (perhaps introduced as Dr. Blanford

suggests), in the Malay Peninsula, and in Sumatra, Java, Bali, Lombock, and

Timor, the darker (or _M. carbonarius_) variety seems to predominate. From

Borneo--where it ascends to 5,000 feet above the sea--comes the crested,

and perhaps also the golden-rufous coloured race (the true home of the

latter being still unknown). In the Philippine Archipelago--in Mindanao,

Basilan, Luzon, Negros, Samar, and others of the islets--the very light

yellow coloured race is met with.

{33}HABITS.--The Crab-eating Macaque is gregarious, going about in troops

of fifteen to twenty, of both sexes and all ages. They frequent the forests

near the river mouths, and coastal mangrove swamps, where they may be

constantly seen wading about in the mud, picking up Shrimps and Crabs,

which are their favourite food. Tickell says that they swim and dive well.

The females are easily trained, and also the young males; but these, when

old, are apt to become ill-natured and uncertain in disposition. The

mothers are good and tender to their young one, which clings closely with

hands and feet for the first few weeks to the hair of the chest or arm-pits

and abdomen.

Mr. Everett met with this species in the islands of Sirhassen and Bunguran

in the Natuna group, where he says they were abundant. He adds: "They come

down in large parties to the sea-shore, sitting in groups on the larger

boulders, or playing and hunting for prey along the sands, when the tide is

out. In mature animals, the face, hands, and feet are dark brown; the lower

eyelids a paler brown; the upper eyelids and upper halves of the orbits

whitish. In a very young male the bare skin of the face was livid brown,

rather paler on the eyelids, and the hands and feet were dark brown"

(_Oldfield Thomas and Hartert_, Nov. Zool., i., p. 654, 1894).

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