12 
UPPER MAMMAL GALLERY. 
almost always, freely opposable to the other digits and very 
largely developed. There are never more than two incisors on 
each side of each jaw, and canines are almost invariably present. 
Man, Apes, and Monkeys constitute the suborder Anthropoidea. 
Fig. 8. 
Fiy. 3. Skull of a Mau. Fig. 4. Skull of an old male and, fig. 5, of a young Gorilla. 
[Cases 
1 to 7.] 
The first family is the Homimdfjc, containing Man himself 
His skeleton differs from the typical mammalian form mainly 
in relation to the upright position of the body, and the total 
* See ‘ Guide to the Faces of Mankind (Anthropology).’ Price 4d 
