GRYLLUS. LOCUST. 



Generic Character. 



Caput inflexum, maxillo- 

 sum, palpis instructum. 



Antennce plerisque setaceoe 

 seu filiformes. 



Ala quatuor, deflexae, con- 

 volutae ; inferiores pli- 

 catae. 



Pedes postici saltatorii : 

 ungues ubique bini. 



Head inflected, armed with 

 jaws, and furnished with 

 feelers. 



Antenna, in most species, 

 either filiform or setace- 

 ous. 



Wings four, deflex, con- 

 voluted : lower wings 

 pleated. 



Hind-Legs formed for leap- 

 ing: claws double on all 

 the feet. 



J.N the genus Gryllus the antennae are in most 

 species setaceous, in others filiform, and in some 

 flat and lanceolate : the head is large, bent down- 

 wards, and furnished with strong jaws : the wings 

 are four in number j the upper or exterior ones 

 deflected, and longitudinally extended; and the 

 lower or under ones pleated: the hind legs are 

 formed for leaping, greatly exceed the rest in 

 length, and are furnished with very strong, broad 

 thighs. 



The major part at least, if not all of this genus 

 feed entirely on vegetables, and from their num- 



