CLASS MAMMALS I ORDEK QUADEtJMANA. 

 Fig. 5. 



19 



Skeletons of Orang, Chimpanzee, and Man. 



The order is divided into families as follows : 



FAMILIES. EXAMPLES. 



QUADRUMANA. < 



HEAD OBLONG ; DENTIL FORMULA AS IN 



MAN ; NOSTRILS CATARHINE (oblique) 



NAILS FLAT ON ALL THE FINGERS. 

 HEAD ROUND ; 



2-2 1 1 ; 3-3 3-3 

 2-2* 1-1 3-3' 3-3 

 NOSTRILS PLATYRHINE (wide apart) ; NAILS 

 SOMEWHAT COMPRESSED. 



HEAD POINTED; DENTITION AS IN CEBID^B ; 



NOSTRILS STREPSORHINK (twisted) ; NAILS 

 FLAT EXCEPT A LONG CURVKD CLAW ON 

 THE FIRST FINGER, SOMETIMES THE FIRST 

 *- TWO FINGERS OF THE HIND FEET. 



; ! Simiidae. ! 



) 



Cebida?. 



Lemuridae. 



Monkeys 



of the 

 Old World. 



Monkeys 



of the 

 New World. 



Monkeys 



of 

 Madagascar. 



Simiidae. The Catarhine Monkeys, with the exception 

 of a single species found upon the Eock of Gibraltar, belong 

 to Asia and Africa. This family comprises animals which 



