89 

 Genus XXXIII. GRYLLUS. 



GENERIC CHARACTER. 



Antenna setaceous in some, in others filiform. 

 Palpi four, filiform. Head inflected. Max- 

 illa horny, thin, pointed, with a long and 

 sharp interior tooth. Wings four, deflexed, 

 and convoluted 5 under ones concealed be- 

 neath the elytra. Hind feet formed for leap- 

 ing. Tarn with three articulations terminated 

 by two nails or crotchets. 



General Observations. 



Linnaeus has divided the G ry Hi into the fol- 

 lowing sections : — 



1. AcridcE. Having a conical head longer 

 than the thorax. Antennas ensiform, or 

 sword-shaped. 

 2. Bulla. Having the thorax carinated or 

 keeled, with the Antennae shorter than the 

 thorax, and filiform. 

 S. AchettE. Having two setae or bristles in 

 the tail. 



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