Distribution. NE India (Himalayan foothills of NW Assam State between the Manas and Sankosh rivers, and in the area immediately to the S, nearly to the Brahmaputra River) and Bhutan (as far N as Black Mt, ¢.27° 30' N, E of the Sankosh River; also extends E of the Mangde River along either side of the main stream). in Cercopithecidae

Distribution. NE India (Himalayan foothills of NW Assam State between the Manas and Sankosh rivers, and in the area immediately to the S, nearly to the Brahmaputra River) and Bhutan (as far N as Black Mt, ¢.27° 30' N, E of the Sankosh River; also extends E of the Mangde River along either side of the main stream).