34 
THE CATERPILLAR. 
up like a crest. And besides this, it shakes its 
head from side to side, as if it were going to dart 
Head of the “ Hickory-horned devil.” 
upon you; but it is a false alarm, for it will 
do nothing of the kind. When the caterpillar 
changes its skin for the last time, the crest of 
horns falls off along with it. 
I must now tell you something about a cater¬ 
pillar changing its skin. If you were to pull 
a rose-bud to pieces, you would find that it is 
