436 NATURE STUDY. 



which they can hide. Notice how they use their hairs in 

 forming their cocoon, binding the hairs together with silk. 



Fig. 48. Hickory Tussock Caterpillar. 



THE HOMES OF CATERPILLARS. 



The Apple Worm and Leaf Miners and Rollers. After 

 the children have studied two or three of the larger cater- 

 pillars, it is well to observe a little about the small cater- 

 pillars and their homes. The little cocoon of the apple 

 worm can often be found under the projecting pieces of 

 bark on the apple tree or about the apple barrels. Many 



Fig. 49. Hickory Tussock Caterpillar. 



leaves, such as yellow dock, show dark blotches or sinuous 

 markings caused by minute caterpillars, called i leaf -miners/ 

 eating out the green matter between the upper and lower 

 skin of the leaf. Both caterpillar and chrysalis may be 

 seen on or in the leaves. Other caterpillars, the " leaf- 

 rollers," roll the leaves of many plants (such as sumac) 

 into tubes, and there feed, live, and make their chrysalids. 



" And there's never a leaf or blade too mean 

 To be some happy creature's palace." 



LOWELL. 



