75 



Introduction. 



I 



hereby offer to the Friends of Natural 

 History a Catalogue of Insects, in the Col- 

 lection of which I have spent my Hours of 

 Recreation for some Years past. To the 

 best of my Knowledge I have but few Pre- 

 decessors in the United States in this Un- 

 dertaking. For this Reason I may calcul- 

 ate on the Indulgence of the experienced 

 Naturalist ;' in case some slight Errors 

 should be found in it. — It is an undeniable 

 Fact, that Entomology has been consider- 

 ably extended by American Insects ; but 

 yet there are many non-descript Genera 

 and Species, to be met with by an ob- 



serv- 



