BOOK III. 



CLASSIFICATION OF INSECTS. 



CHAPTER I. 



CLASSIFICATION OF INSECTS IN GENERAL. 



605. EVERY one must have observed that there 

 is a greater resemblance between some two of 

 the various insects with which he is acquainted, 

 than between some other two : thus a butterfly 

 more nearly resembles a moth, than a moth 

 resembles a beetle, or than a butterfly resembles 

 a beetle. Again, two different kinds of butterfly 

 more nearly resemble each other, than either of 

 them resembles a moth ; the same with two 

 moths ; and the same with two beetles. 



606. As an illustration, therefore, of system, 

 we will arrange these six thus : butterfly, butter- 

 fly, moth, moth, beetle, beetle ; no one with i the 

 slightest idea of similarities, would place the 



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