OF THE PINE-APPLE. 



S41 



7- The Gryllus g , or Cricket Crickets usually 

 abound in bake-houses and warm habitable build- 

 ings ; but as they are furnished with wings, and 

 during the hot months in summer make excursions 

 in the open air, they are constantly found in dry 

 banks and hedges ; consequently every hot-house 

 is liable to be infested with them. 



When once a hot-house gets infested with 

 Crickets, the great fire-heat usually kept serves to 

 encourage their increase, and they soon thereby 

 become very numerous. 



g The head of the Gryllus is inflected, armed with jaws, 

 and furnished with palpi. 



The antennae, in some subjects, are setaceous, in others, 

 filiform. 



The wings are declined towards, and wrapped round the 

 body ; the under ones are folded up, so as to be concealed 

 under the elytra. 



All the feet are armed with two nails or two crotchets ; the 

 hind ones are formed for leaping. 



The Grylli are divided into different sections as follows : 



1. The Acrid^. 



2. The Bull;e. 



3. The AcHETiE. The house-cricket belongs to this family, 



4. The Tetigonoe. 



5. The LocusTiE. 



The larvae, or caterpillars, of the Grylli, very much resemble 

 the perfect insects, and, in general, live under ground. 



The chrysalids very much resemble and accompany their 

 parents, many of which feed upon the leaves of plants. Others, 

 which live in houses, prefer bread, meal, and every kind of 

 farinaceous substance ; some of them are with us called locusts, 

 others grasshoppers, others again, crickets. 



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