SCORPIONS, SPIDERS, AND TICKS 



15^ 



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. 



Fig. 90. — Centiped from we.stern 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 t^^'o pairs of legs. The heatl 

 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 antenna? (Fig. 90). They occur all over the 

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



