156 SOME SUGGESTIONS FOR THE STUDY OF INSECTS. 



not observed, and until we gain more experience of its 

 ways the caterpillar has a good chance of escaping. 



It has not fallen to the ground. In the momentary 



Fig. 55.-^The Caterpillar of the Magpie Moth. 

 The series 1-5 illustrates its characteristic behaviour (see text). 



period available it has fixed the end of a silken thread to 

 the twig or leaf stalk, and in the act of falling has spun 

 out the thread several inches in length. Here the insect 



