THE BUTTERFLIES 



OF THE 



EASTERN UNITED STATES. 



CLASSIFICATION. 



Most naturalists of this country divide insects into 

 seven orders, or, according to some, suborders, as follows : 



Hymenoptera, or membrane-winged insects, includ- 

 ing bees, wasps, ants, ichneumon-flies, saw-flies, etc. 



Lepidoptera, or scaly- winged insects, including but- 

 terflies and moths. 



Diptera, or two-winged insects, including the true 

 flies of all kinds. 



Coleoptera, or sheath-winged insects, including all 

 beetles. 



Hemiptera, or half-membrane-winged insects, in- 

 cluding the true bugs, cictidas, etc. 



Orthoptera, or straight-winged insects, including 

 grasshoppers, katydids, crickets, etc. 



Neuroptera, or nerve-winged insects, including 

 dragon-flies, ant-lions, etc. 



The Lepidoptera have four membranous wings covered 



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