REARING IN INSECTS. 



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months is by no means sparing; of its stridulous 

 music, instantly ceases to crink the moment it hears ^ 

 foot fall ; and hence it is not easy to discover the spot 

 where it is, unless it be approached in the most cau- 

 tious manner, for it is silent if a person approach 

 within several yards of it. Brunelli, an Italian 

 naturalist, tried gome experiments upon this insect, 

 more satisfactory than the precedini^ ones of Bonnet. 

 He kept several in a chamber, which continued their 

 crinking song through the whole day ; but the instant 

 they heard a knock at the door, they were silent. 



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Green field cricket (^Acrida viridissima)^ with its nest and eggs. 



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