424 ATTEMPTED DIVISION OF BRITISH INSECTS. 



distinct rostrum, much elongated in the males ; mandibles and 

 maxillae nearly as in the preceding Order ; tarsi four-jointed. 

 Inhabits the bark and wood of trees. Brachytarsus, Platyrhinus, 

 Anthribus. Bruchus differs only in the superior size of its labrum, 

 and in feeding on pulse. 



Natural Order. — Salpingites. 



Larva and pupa as in the preceding Orders ; the former feeds on 

 the wood and bark of trees. Imago, with antennae shorter, monili- 

 form, somewhat incrassated externally, and situated on a rostrum ; 

 mandibles and maxillae obtuse ; fore- and middle-tarsi five- 

 jointed ; hind-tarsi four-jointed. Found in the same situations as 

 the larva, and also among the leaves of trees. Salpingus, Sphce- 

 riestes. 



Division III. — Tetraptera Isomorpha. 



Larva resembling the imago in structure, appearance, mode 

 of feeding, &c. wings only being vi^anted. Pupa, or quiescent 

 state, none. 



Class IV. — Orthoptera. 



Imago, with the parts of the mouth fully developed ; labrum 

 quadrate and movable ; mandibles strong, bony, masticatory, 

 and moving horizontally ; maxilla with feelers, and a distinct, 

 exarticulate, palpiform galea ; fore-wings coriaceous, little 

 used in flight; hind-wings longitudinally folded; flight weak 

 and badly sustained. 



StIRPS. FORFICULINA. 



Natural Order. — Forficulites, Earwigs. 



The antennae are many-jointed, moniliform, and decrease in size to 

 the extremity ; the fore-wings square, coriaceous, meeting with 

 a straight suture, very short, and not used in flight ; the hind- 

 wings ear-shaped, folded, and projecting beyond the fore-wings ; 

 hind-legs not formed for leaping ; tarsi three-jointed ; telum 

 furnished with two appendages which meet like forceps ; noc- 

 turnal insects, feeding on vegetables. Forjicula, Labia, Labi- 

 dura. 



StIRPS. ACHETINA. 



Natural Order. — Achetites, Crickets. 



Antennae very long, slender, and composed of many joints ; fore- 

 wings short, coriaceous, one partially covering the other, not 



