INSECTS AND VERMES. 271 



troublesome at such seasons. Country peo- 

 ple call this insect the nose fly. White. 



Is not this insect the oestrus nasaiis of 

 Linnseus, so well described by Mr. Clark 

 in the third volume of the Linngean Trans- 

 actions, under the name of oestrus veteri- 

 nus? Markwick. 



ICHNEUMON FLY. 



I saw lately a small ichneumon fly at- 

 tack a spider much larger than itself on 

 a grass walk. When the spider made any 

 resistance, the ichneumon applied her tail 

 to him, and stung him with great vehe- 

 mence, so that he soon became dead and 

 motionless. The ichneumon then running 

 backward, drew her prey very nimbly over 

 the walk into the standing grass. This 

 spider would be deposited in some hole 

 where the ichneumon would lay some eggs ; 

 and as soon as the eggs were hatched, the 



