XVII THE GIBRALTAR APE 563 
The stomach is simple and globular; this corresponds with a 
mixed diet. The tail is long or short, or practically absent. 
The most familiar genus is undoubtedly Macacus. This 
includes all the common so-called Macaques, the Bonnet Monkey, 
Fig. 268.—Tcheli Monkey. Macacus tcheliensis, x}. (From.Nature.) 
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, W/-inuwus, also known as the Gibraltar Ape. There 
are altogether some seventeen species. 
Macacus inuus is doubtfully indigenous to Gibraltar. It 1s, 
however, definitely established there at present, and is carefully 
fostered. It is a large Ape with no external tail, in which 
