Microscopical 



Essays, 



C H A K VI. 



Giving some Account of the Anatomical Structure 

 of the cossus, or caterpillar, which is found in 

 the Trunk of the Willow ; and several other, 

 miscellaneous objects. 



/--v p all the modifications of which matter is fufceptible, the 

 \J molt noble is undoubtedly the organization thereof. In 

 the ftructure of animals, the Sovereign Wifdom is exhibited to 

 us in the moll ftriking manner. The body of an animal is a little 

 particular fyftem, more or lefs complicated, and which, like the 

 fyftem of the univerfe at large, is the refult of the combination 

 and connection of a multitude of different pieces, which all con- 

 fpire to produce one general effect., the manifeftation of the prin- 

 ciple which we term life. So wonderful are thefe combinations, 

 that we are incapable of comprehending, or even of admiring 

 fcfficiently, the aftonifhing apparatus of fprings, levers, counter- 

 weights, of tubes of different diameters, &c. which eonftitute thefe 

 organic al machines. The interior parts of the infect, the moll 

 vile in appearance, would abforb all the powers of the moft able 

 anatomift. He would be loft in the labyrinth as foon as he at- 

 tempted to explore all it's windings. A truth that will be evident 



R r 2 ' to 



