The Butterfly. 63 



may build, or at least where they may hide, their cocoons 

 during their long sleep. 



Among the commonest caterpillars is the one here figured 

 (Fig. i2#). It is a green caterpillar, beautifully marked 

 with black bands and orange-yellow dots. Having procured 

 some of these beautiful caterpillars, place them in the " bug- 

 case " and wait results. If obtained late in the fall, the 

 observer will not have to wait long. While waiting the 



teacher may perform this experiment before the children : 

 Select one and tickle him with a feather or other soft body. 

 If this is persevered in, he will become angry and thrust out 

 a pair of branching horns (?), and he will strike at the an- 

 noying thing spitefully. 



The changes are better told in the accompanying illus- 

 trations than in words. It will cover a long time from 

 the time the green larva is placed in the " bug-box " until 

 he emerges from his chrysalis (Fig. 120, e) a beautiful 



