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Show 1871.] DR. J. E. GRAY ON THE BRADYPODIDA. 445 back and loins whitish, browner on the rump and hind legs ; head, throat, and sides of neck covered with elongated chestnut-brown hair, forming a kind of hood on the sides; forehead paler, yellowish ; eye-streak dark brown; dorsal patch large, orange-colour. Angle of the lower jaw large, broad, rounded at the end, and much produced beyond the condyle. Female unknown. Skull of Arctopithecus castaneiceps. Dr. Seemann brought this specimen from Nicaragua. He says it was bright green when alive, as mentioned in his letter. The specimen does not now exhibit any of the green tint in the parts exposed - to the light; but the sides of the body, covered by the arms being-pressed against them, retain still some remains of it. Hab. Nicaragua (Dr. Seemann). This cannot be Bradypus infuscatus of Wagler ; it does not agree with the description. It is a male (?), with long fur of a grey-brown colour intermixed with white hairs. The face, forehead, cheeks and chin are of a reddish brown, the under part of the body is pale brownish white, the sides of the neck have a long ruff of recurved dark brown hair, darker than that of the face. The shoulders and hinder part of back are varied with large patches of whitish hair. The middle of the back between the shoulders has a very large patch of soft yellow hair, having a well-marked, narrow, black central streak, which commences with a triangular black spot on the upper edge of the yellow patch, and is continued into the white part of the fur on the loins. |