446 SYSTEMATIC AERANGEMENTS OF INSECTS. 



I, Water-flies (3IusccX aquaticx). 

 m, May-flies (Hemerobii). 

 n, Ear-wigs (Forficula seu auricularia). 

 2. Transformations twofold (^Metamorphosis duplex J) :— 



a, With wing-cases— beetles (fKouAeoTrrepa seu Vaglni %mmia). 

 h. Without wing-cases (AveXvrpa). 



With mealy wings— butterflies and moths (Alls farinaceis). 



With membranaceous wings— bees, flies (Alis memhranaceis) . 



With two wings (Anrrepa). 



With four wings (TerpaTTTea). 



Gregarious (Gregaria). 



Making honey — bees, &c. (Mellifica). 



Not making honey (Non mellifica). 



Solitary (Solitaria). 



Bee-formed (Apiformia). 



Wasp-formed (Vespiformia). 



Butterfly-formed ( Papiliomformia). 



With an ovipositor (Seticaudie seu Tripilia). , 



The Cibarian, Maxillary, or Mouth System. 

 Fabriciiis, a Danish systematic writer of high celebrity, 

 emulous of the fame of Linna3iis, conceived the idea of 

 classifying insects according to the structure of their 

 mouths, or their feeding organs {hstrumenta cibarid). 



Fahriciuss Classification. 

 A. 



1. With the lower jaws naked, free, and carrying palpi — beetles 



(Eleutherata). 



2. With the lower jaws covered by an obtuse shield or lobe — locusts, 



crickets, &c. (TJlonata). 



3. With the lower jaws jointed at the base, and joined with the lip» 



— lace-wang flies, &c. (Synistata). 



4. With the lower jaws horny, compressed, and often elongated — 



bees, wasps, &c. (Piezata). 



5. With the lower jaws horny, toothed, and ha\dng two palpi — 



dragon-flies, &c. (Opontata). 



6. With the lower jaws horny, vaulted, and no palpi — centipedes 



wood-lice, &c. (Mitosata). 



B. 



7. With the lower jaws homy, and armed with a claw— spiders, &c. 



(Unogata). 



C. 



8. With many jaws within the lip, the palpi mostly six ( Poly gonata). 



