EUPLEXOPTERA. 



•FOnFICULIDiE. 



399 



Fig, 50. 



form, having a great resemblance to that of the Staphyllnidae {/ig. 50. 

 1. Forficesila gigantea, ^ , fig. 50. 5. Labia minor). 



The head is of a moderate size, flat and narrowed behind into a 

 short neck. The eyes are small and lateral; the ocelli are wanting; 

 the antennae are long and slender, composed of a number of joints, 

 varying from ten to far beyond twenty-five, in some of the exotic 

 species. The mouth is mandibulated, resembling that of the true 

 Orthoptera ; the clypeus being very distinct, and as large as the true 

 labrum (^fig. 50. 6.) ; the jaws are small, but robust, with a notch 

 near the tip (^fig- 50. 7.) ; the maxilla; are elongated, the inner lobe 

 being armed with small spines at the inner margin ; the outer lobe 

 forms a small galea or sheath i^fig. 50. 8.) : the palpi are filiform, 

 5-jointed, the two basal joints being very short ; the mentum is large 



Posselt. Tentamina circa Anatomiam Forficultc, 4to. Jena. 1800. Ditto, in 



Wiedemann Arch. fUr Zool. vol. ii. 

 Leach, in Zool. Miscell. vol. iii. 

 Dufour. Reclicrch. Anat. sur les Labidoures ou Porcc-oreillus, in Ann. Sc. Nat. 



torn. xiii. Ditto, in Ann. Gen. Sc. Brnx. 1820. 

 Serville. lle\iie IMcthodiqae de I'Ordrc Ortliojit. in Ann. Sc. Nat. torn. xxii. 

 Atidotdn and BruUe. Hist. Nat. Ins. torn. ix. 1836. 

 Westwood, in Giierin Mag. Zool. 183G. Ditto, in Royles Himalaya. Ditto, in 



Proceedings Zool. Soc. 1837. Ditto, in Trans. Ent. Soc. Lond. vol. i. 

 Gtn£. Saggio di una Monografia della Forfieule Indigene, in Ann. Sc. Regn. 



Lomh. Vcnit. second year, and Ditto in ditto. 1833 (an additional species). 

 Charpentier. Ilora; Entomologica'. 

 Germar. Fauna Ins. Europ. 

 Nov. Act. Nat. Cur. vol. vi. 

 Ramhur. Faune Andalous. No. 2. 

 Stephens, Curtis, Fahricius, Palisot Beauvols, §-c. 



