] 6o 



FIRST LESSONS IN ZOOLOGY. 



one pair of leg's on each body-ring-, in the thousand-legged 

 worms or millipeds there arc two pairs to each segment. 

 The millipeds feed on vegetable matter, although they 

 may take some dead animal matter, while the centipeds 

 which can run rapidl)', are predaceous, catching and kill- 



I'li:. ii6. Fig. 117. 



Fk;. 116. — A ;^alley-\\'(_n-ni (millipoil ). Jnlus ^p. (Nat\ir:il size; froin speci- 

 men . ) 

 Fii;. 1 17.-- /V ceiiliped, SrolopiiiJi-a sp. {NaUival si/.e; frum specimen.) 



ing insects, snails, earthworms, etc. Centipeds have the 

 first pair of legs modified into a pair of poison-claws, 

 which are bent forward so as to lie near the mouth. The 

 common " skein centiped " (fig. i 1 ,S) is )cllowish in color 

 and has fifteen pairs of legs, long, fort)'-segmented an- 

 tenn,x-, and nine large and six small or dorsal segmental 



