and of Sumatra, resembles the African in having two horns, but in other respects differs considerably.
Though the rhinoceros is abundant in the interior of Africa,
HEADS OF RHINOCEROSES.
it is described as far more numerous in Asia, and as less generally distributed than the elephant.
Four distinct species of rhinoceroses are known to exist in South Africa, two of which are of a dark color, and two of a whitish hue. Hence they are usually designated the "black" and the "white" rhinoceros.
One of the two species of "black"—the Borele, as it is called by the Bechuanas—is the common small black rhinoc-
- The above wood-cut is a rough but characteristic outline of the heads of the four distinct species of rhinoceroses recognized as indigenous to Africa. The two lowest heads in the sketch are those of the "black."