XVII. THE BONNET MACAQUE. MACACUS SINICUS.
Simia sinica, Linn., Mantissa, Plant., p. 521 (1771).
Cercocebus radiatus, Geoffr., Ann. Mus., xix., p. 98 (1812).
Le Toque mâle, F. Cuvier, Hist. Nat., Mamm., livr. xviii. (Juin, 1820).
Macacus sinicus, Blyth, J. A. S., Beng., xvi., p. 1272 (1847); Gray, Cat. Monkeys Brit. Mus., p. 28 (1870); Anderson, Zool. Exped. Yun-nan, p. 91 (1878; with synonymy); Blanford, Faun. Brit. Ind., Mamm., p. 23 (1891).
Cercocebus sinicus, Schl., Mus. Pays-Bas, vii., p. 99 (1876).
Characters.—Face nude; forehead thinly haired and wrinkled; cheeks hollow; muzzle narrow and protuberant; ears naked and rather prominent; tail nearly as long as the body.
Hair in general moderately long, straight and smooth, that on the crown elongated and radiating in all directions from the vertex, but not covering the forehead, on which the short and sparse hairs are parted down the middle. Length, 27 inches; tail, 24 inches, but often proportionately longer.
General colour of the back and the upper side of the tail brownish-olive; outside of the limbs greyish—the hairs grey at the roots, ringed higher up with dull yellow and black bars; under surface of the body and inside of the limbs, and under side of the tail whitish; face, ears, callosities, and other nude parts livid flesh-colour.
Skull long, lower than that of M. rhesus; orbits with the transverse diameter greater than the vertical.