64 



CLASSIFICATION. 



3d. Neuroptera, (I'Eupov-neuron, a nerve, &c., nerve 

 or lace-Avinged,) such as dragon flies, lace-winged flies, 

 and white ants, &c. 



4. Hyihiexopteea {vjuTjv-hymeu^ a membrane, mem- 

 braneous-winged), such as bees, wasps, ants, ichennon 

 flies, &G. 



5. Lepidoptera, (LeTTic-lepis^ a scale, scaly-winged,) 

 butterflies, moths and hawk moths. 



0. Hemiptera — (He/zrhemi-half, half, half or irregu- 

 lar winged), bugs, aphidae or plant lice, etc. 



Y. DiPTERA — (A*r<lis, two, two-winged), flies, gnats, 

 mosquitoes, etc. 



These sub-orders might be distinguished from their 

 loinff structure alone, as arranged in the following table : 



Wino:s 



Hornj^ with a straight suture and a 

 little triangular piece near the thorax 

 The anterior (cuttle) == Coleopiera. 



as < Oblong, thickly veined without 



wing covers scuttle == Orthoptera. 



Semicmstaceous incumbent = Ue- 

 miptera. 



Covered with scales = Lepidoptera 

 Membranous, abdomen (unarmed 

 I = Newroptera. 



[ With a ovipositor = Hymenoptera. 

 2 J With a pair of knobs or balancers in place of the 

 " posterior pair = Diptera. 



All. 



The following is a synopsis of these seven sub-orders 

 as distinguished by the three peculiarities of — 1st, Wing 

 structure ; 2d, Mouth parts ; and 3d, Transformation ; 

 and the names of the most important families of each. 



The colored plates and their descriptions are for the 

 purpose of giving to the eye the appearance of each of 



