THE ECLECTIC, OR MODERN SYSTEM. 393 



8. \yith four winsjs covered Vvith meal-like scales 



(Lejjidoptera). 



9. AVith four membranaceous vs'ings, the wing-bones 



hairy (Trichoptera). 



1 0. With four nearly equal membranaceous reticu- 



lated wings (Neuroptera). 



11. With four unequal membranaceous wings, the 



wing-bones runninglengthvvise(77?/me/2opi^eraJ. 



12. With two wings folded lengthwise (Rhipipteraj . 



13. With two wings not folded ; mouth formed for 



sucking — flies (Diptera). 



14. With two or with no wings; mouth with long 



jaws — bird-flies, bat-flies (Omaloptera) . 



Stephcns*s Classification. 



I. Insects with Mandibles (Mandihulata). 



1. With hard winof-cases (ColeopteraJ , 



a, Voracious (Adephaga). 

 Ground feeders (Geodephaga). 

 Water feeders (Hydrodephaga) . 



b, Cleansers (Rypophaga). 

 Haunting water (PhilJujdrida). 



Feeding on carrion, or putrid wood (Neci'o- 



phaga) . 

 With short wing-cases (Braclielijtra) , 



c, Chilognathiform larvae. 



With clavate sublaminate antennae (Helocera), 

 With laminate antennae (Lamellicorncs) . 

 With filiform antennae (SternoxiJ. 

 With setaceous or abruptly clavate antennae. 



d, Vermiform larva?. 



With a rostrum (Rhinchophora). 



Without a rostrum (LoiigicornesJ, 

 <?, Anopluriform ? larvae. 



Tarsi tetramerous. 



Body elongate (Eupoda). 



Body ovoid or oval (Cyclica). 



Tarsi trimerous (Triineri). 

 /, Heteromerous beetles (Heteromera) . 



2. With short and somewhat crustaceous wing* 



cases — earwigs (Dermaptera). 



3. With coriaceous winir-cases (Orthoptera), 



4. With netted wings (Neuroptera), 



