THE ECLECTIC, OR MODERN SYSTEM. 393 



8. With four wings covered with meal-hke scales 



(Lepidoptera). 



9. With four membranaceous wings, the wing-bones 



hairy (Trichoptera). 



10. With lour nearly equal membranaceous reticu- 

 lated wings (Jsteuroptera). 



IX, With four unequal membranaceous wings, the 

 wing-bones running \ex\^lhW\se(H}imenoptera). 



12. With two wings folded lengthwise (Rhipiptera). 



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). 

 Stephens''s Classification. 

 I. Insects with mandibles {Mandihulata) . 



1. With hard wing-cases (Coleoptera). 

 a, Voracious (jJdephaga). 



Ground feeders (Geodephaga). 

 Water feeders (Hydrodephaga). 

 bj Cleansers (Rypophaga). 



Haunting water (Philhydrida). 



Feeding on carrion, or putrid wood (JVecro- 



phaga). 

 With short wing-cases (Brachelytra). 



c, Chilognathiform larvae. 



With clavate sublarainate antennas (Helocera). 

 With laminate antennae ( Lamellicornis). 

 With filiform antennae (Sternoxi). 

 With setaceous or abruptly clavate antennae. 



d, Vermiform larvae. 



With a rostrum ( Rhinchophora). 

 Without a rostrum (Longicornes). 



e, Anopluriform r larvae. 

 Tarsi tetramerous. 

 Body elongate (Eupoda). 

 Body ovoid or oval (Cyclica). 

 Tarsi trimerous (Trimeri). 



/, Heteromerous beetles (Heteromera). 



2. With short and somewhat crustaceous wing- 



cases — earwigs fDermaptera). 



3. With coriaceous wing-cases (Orlhoptera). 



4. With netted wings (JVeuro^tera). 

 VOL. XII. 35 



