428 



ANIMAL BIOLOGY 



portance because it is dignified by the inclusion of Man. It 

 comprises two families higher in rank than the tailed Monkeys, 

 or Macaques and Baboons. These are the Simiidae, or man-like 

 (anthropoid) Apes — the Gibbons, Orang-utans, Chimpanzees, and 

 Gorillas; and the Hominidae, or Man. However, all specialists are 



Fig. 273. — Chimpanzee, Pan troglodytes. Note large 

 ears, long lips, ridge above eyes, long arms, nails on fingers 

 and toes, and hand resting on back of fingers. Height 

 4| feet; weight of male, 160 pounds. (From Hegner, drawn 

 by R. Bruce Horsfall.) 



not agreed that this separation of anthropoid apes from Man is 

 justified, for, as one states it: "between the Gorilla and Man, bar- 

 ring for the moment the mental and spiritual distinctions, there is 

 hardly more difference than there is between the horse and the ass, 

 and the degree of consanguinity is much the same." (Page 480). 



At all events, the inevitable inference is that these various forms 

 have evolved from a common stock, though it should be emphasized 



