THE ANIMAL KINGDOM. 229 



Next to it must also be placed the Curved-tooth Bostri- 

 chus, and the Pine Hylesinus, which are almost identical 

 with it in their habits. 



Each organ has its enemy. Supposing our apples and 

 plums are gnawed and injured by worms, still their soft 

 tissue quite admits of such mischief being done ; but fruits 

 so hard and well protected as those of the Coniferje seem 

 as if they ought .to be safe from such attacks, though this 

 is certainly not the case. 



The progeny of certain very small butterflies, that of 

 the Cone Pyralis, delight in gnawing and destroying the 

 strong scales of these cones. They hollow out galleries 

 in their axes, and from thence spread out between the 

 scales. 



