SCORPIONS, SPIDERS, AND TICKS 



15S 



Thousand-legged Worms 



Class. — Myriapoda {myrios, many; pous (pod), foot) 



To this class belong those animals commonly known as 

 thousand-legged worms, because they have so many legs. 



pm^mm^^^ mm^-'^^^^' 



Fig. 90. — Centiped from western Texas. 



They, of course, are not worms at all, for worms do not 

 have legs. The body, however, is segmented, and most of 

 the segments bear one or two pairs of legs. The head 

 bears a pair of antennae. 



Centipeds. — These animals have a flattened body with 

 one pair of legs on each segment. The head bears a 



Fig. 91. — House centiped. 



pair of long antennae (Fig. 90). They occur all over the 

 United States under boards, stones, etc. A common cen- 



