

as he has but one Subject of, are marked 

 thus — all others not so marked may be 

 had m Exchange. Should there be any 

 Friends of Natural ^History, who would 

 wish for a Collection of Insects, I am pro- 

 posed to supply them with one Subject of 

 each Species at the Rate of Five Dollars 

 per Hundred. 



In the Classification of my Collection I 

 have followed the System of Fabricius ; 

 although I wish it to be known, that I am 

 much indebted for the Arrangement rela- 

 tive to Classification to the Instructions of 

 Professor Knock in Brunswick, in Ger- 

 many, with whom I have corresponded 

 for many years past. In the Catalogue his 

 Suggestions will be found marked with the 



Let. 



