154 THE LIFE OF AN INSECT. 



to the whiteness of his chest or arms, which are 

 not exposed to the influence of the solar ray. 



There is still something more to be said about 

 the coats of the larva. To look at some of 

 them, it would be difficult for a person unac- 

 quainted with entomology, to guess at the real 

 nature of the object before him. Some look 

 like dry twigs. Some look far more like little 



Larva resemUing Twigs. 



Cactuses than insects. Some are clothed with 

 hairs, arranged in the most curious and eccentric 

 manner. Some have hairs so long as to give 

 them all the appearance of very minute shock- 

 dogs. In some, the hairs are arranged like 

 stars; in others, like the quills of the " fretful 

 porcupine." The backs of other larva look just 

 as if they were studded over with little camel- 



