150 USEFULNESS OF INSECTS. 



noxious and useless creatures, let us watch and ad 

 mire them. The humblest beetle that is seen tra- 

 versing our garden-walks, and the smallest fly that 

 sports in the summer-breeze, each fulfils some im- 

 portant and essential part in the animal economy. 

 Let us never forget that, 



. . . Each crawling insect holds a rank 

 Important in the eye of Him who framed 

 The scale of beings ; 



and, with this impression on our minds, we shall 

 always find amongst them abundant sources of 

 instruction and amusement. 



Questions. 



How do insects generally pass the winter? 



In what state are beetles found, and the larvae of other in- 

 sects 1 



What precautions are taken to preserve the eggs of insects 

 from cold and wet ? 



What insects may be called insect-scavengers 1 



What services do they perform 1 



What is cochineal ? 



When is silk spun by the silk-worm 1 



Which is the finest part of the silk ? 



What is a cocoon ? 



Why is the insect destroyed, and how is this done 1 



What would proceed from the cocoon if uninjured ? 



