NEAR RELATIVES OF INSECTS. 



237 



of seven segments; and the post-abdomen, slender and 

 tail-like, at the end of which is a poison sting. 



The false scorpions have no such differentiation of 

 the abdomen, and there is no sting at the anal end of the 

 abdomen. False scorpions 

 live under tree bark, in 

 mosses, or they may occa- 

 sionally be found between 

 the leaves of some book 

 that has lain unused for a 

 long time. The true scor- 

 pions may be found in 

 sandy regions, around old 

 stone quarries, or other 

 places not usually fre- 

 quented by their human 

 neighbors. (Fig. 97.) 



Scorpions bring forth 

 their young alive, and the 

 young are carried about 

 by the mother for some 

 time. They attach them- 

 selves to the mother by 

 their pincer-like mandi- 

 bles. The adult scorpions 

 are nocturnal, and feed 

 upon spiders and insects, 

 which they first sting to 

 death. 



The whip-tailed scorpion is found in the far South- 

 west, New Mexico and Arizona. This is the largest of 

 the scorpions, measuring four or even five inches in length. 

 The palpi are enormously enlarged into stout pincers 



Fig. 97 . — A scorpion, Bulhus. Natural 

 size. {Folsom.) 



