20 ORDINES INSECTORUM. 



fuch infects as have four naked membranaceous 

 wings ; thefe he has arranged under different ar- 

 ticles or orders, according to the number of 

 joints, or articulations, of which their feet are 

 compofed, rejecting Linnseus's divifion taken 

 from the circumftance of their having or want- 

 ing flings, which, however, feems to argue them 

 of very different natures and difpofuions. 



The order, or clafs, Hymenopteron^ of Lin- 

 flatus, indeed labours under one inconvenience, 

 which may frequently miflead a beginner : I 

 mean that of the male infects wanting the fting, 

 or principal characterise, which feparates them 

 from the Neuroptera. He will, however, foon 

 learn to diltinguifh them from infects belon^incr 

 to that genus, by the fhape of their bodies, which, 

 excepting thole of fome Ichneumons, are fhorter, 

 thicker, and flronger than the bodies of the Neu- 

 roptera ; and particularly from the texture of their 

 wings, in which the membranes run in general 

 longitudinally, with very few crofs ones : where- 

 as the larger veins are fo frequently croffed in the 

 wings of the Neuroptera by fmali ones, as to 

 make the wing referable net-work. 



The InfeUu Cokoptera, or fuch as have the 

 elytra of an horny or cruftaceous fubftance, in 

 their whole length, and the mouth armed with 

 jaws, compofe the firft fection of this author, 



which 



