VI PREFACE. 



able them duly to appreciate the various depart- 

 ments of human knowledge, this hook is more 

 especially addressed; and the author would hap- 

 pily profit by their friendly co-operation in the 

 correction of any errors that may appear, in the 

 enunciation of new facts in the manners and 

 economy of insects, or in the addition of species 

 and localities. 



It is not possible, in the present state of our 

 collections, to publish all the species in regular 

 systematic succession ; and the Entomologist will 

 therefore observe, that although the specimens 

 are somewhat indiscriminately described and 

 figured, yet care has been taken that species of 

 different genera be not represented in the same 

 plate. The pages are not numbered, and the 

 enumeration of the plates, which is on the in- 

 ferior margin of the impression, is referred to 

 beneath the text. This arrangement will admit 

 of the work being bound up, when completed, 

 agreeably to systematic order in the succession 



