MONKEYS. 7 



is far greater in their infancy than after they have attained to 

 maturity. They are tailless, and habitually assume a semi-erect 

 position, using their disproportionally long arms to balance 

 themselves by resting their knuckles on the ground. Their great 

 toes are opposable, like thumbs, to the other toes, so as to form a 

 second pair of hands, on account of which the term Quadrumana 

 (four-handed) has been applied to them and the other Monkeys. 



Several specimens of the Gorilla (Anthropopithecus gorilla) of 

 various ages are exhibited in the separate Case in the first recess on 



Fig. 4. 



Gorilla. 



