The stomach is simple and globular; this corresponds with a mixed diet. The tail is long or short, or practically absent.
Fig. 268.—Tcheli Monkey. Macacus tcheliensis. × 1⁄6. (From Nature.)
The most familiar genus is undoubtedly Macacus. This includes all the common so-called Macaques, the Bonnet Monkey, the Pig-tailed Monkey, etc. In this genus we find that the males are larger than the females, and have stronger canine teeth. Ischial callosities are well developed. The genus is purely Asiatic, reaching as far east as Japan, with the exception of the Barbary Ape, M. inuus, also known as the Gibraltar Ape. There are altogether some seventeen species.
Macacus inuus is doubtfully indigenous to Gibraltar. It is, however, definitely established there at present, and is carefully fostered. It is a large Ape with no external tail, in which
