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show their different modes of boring ; the parent burrows with the eggs arranged 

 along the sides ; and the offspiing burrows, made as the larvje are hatched, at 

 right angles to the parent buiTows. In some instances the living beetles were 

 at work and could be easily cut out. It was received wth the great interest and 

 applause which the trouble and ability displayed upon it richly merited.] 



