220 



ANIMAL BIOLOGY 



\ 

 FIG. 401. SACRED MONKEY OF INDIA (Semnopithecus entellus}. x & 



Monkeys, Apes, and Man. - 

 Study the figures (399, 400); 

 compare apes and man and ex- 

 plain each of the differences in 

 the following list : (i) feet, three 

 differences; (2) arms; (3) brain 

 case; (4) jaws; (5) canine 

 teeth ; (6) backbone ; (7) dis- 

 tance between the eyes. 



A hand, unlike a foot, has 

 one of the digits, called a 

 thumb, placed opposite the 

 other four digits that it may be 

 used in grasping. Two-handed 

 man and four-handed apes and 

 monkeys are usually placed in FIG. 402 . -LEMUR 



goz). X r V Which digit bears a 



one order, the Primates, or claw? 



