NOISES OF INSECTS. 537 



recover its convexity ; which, striking upon the mirror and other membranes 

 before it escapes from under the operculum, will be modulated and aug- 

 mented by them. I should imagine that the muscular bundles are extended 

 and contracted by the alternate approach and recession of the trunk and 

 abdomen to and from each other. 



And now, my friend, what adorable wisdom, what consummate art and 

 skill are displayed in the admirable contrivance and complex structure of 

 this wonderful, this unparalleled apparatus ! The Great Creator has 

 placed in these insects an organ for producing and emitting sounds, which 

 in the intricacy of its construction seems to resemble that which he has 

 given to man, and the larger animals, for receiving them. Here is a cochka ; 

 a meatus ; and, as it should seem, more than one tympanum. 



I am, &c. 



