265 



Sub-order Anthropoidea. See page 273. 



Section Platyrrhini. Broad-nosed (New World) Monkeys. 

 See page 273. 



Family Hapalidae (Marmosets). Small monkeys. Tail long, 

 bushy, not prehensile. Digits with curved claws, except 

 great toe with a flat nail. Thumb not opposable. Only 



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 two molars on each side. Dentition - 



Example, Hapale (Marmoset). Forests of Neotropical 

 Region. 



Family Cebidae (American Monkeys). Tail generally 

 long, often prehensile. Digits with flat or curved 

 nails. Thumb opposable. Three molars on each side. 



Dentition |iff. 



Example, Cebas (Capuchin). Neotropical Region. 

 The organ-grinder's monkey. 



Section Catarrhini. Narrow-nosed (Old World) Monkeys. 

 See page 273. 



Family Cercopithecidae (Baboons, etc.). Muzzle dog-like. 

 Generally with cheek pouches. Tail not prehensile. Arms 

 shorter than legs. Digits with nails. Thumb (when pre- 

 sent) and great toe are opposable. With ischial callosities 

 of skin, often brightly coloured. Caecum is without a 



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vermiform appendix. Dentition ^^r-- 



2123 



Examples, Cynocephalus, syn. Papio (African Baboon). 



Frequents rocky ground. 

 Macacus (Macaque). Asia, N. Africa, 

 Gibraltar. 



Family Simiidae or Anthropomorphidae (Anthropoid Apes). 

 Without cheek pouches. TaUleis. Arms longer than 

 legs. Semi-erect or erect gait. Thumb and great toe 

 are opposable. Caecum has a vermifonn appendix. 



See 

 page 

 274 



Dentition ^^. 



Example?, Hylobates (Gibbon). 

 Simia (Orang-utan). 

 Gorilla (Gorilla). 

 Anthropopithecus (Chimpanzee). 

 Pithecanthropus erectus. Extinct. 



Family Hominidae. Homo sapiens (Man). 



