MARCH 



69 



of moderate experience. Leaving out the articles found 

 least frequently in the gizzards of his 4030 rooks, he 

 presents the account as follows, classing all insects as 

 injurious to agriculture. 



Now I have starred with an asterisk certain of the 

 creatures set by Dr. Hollrung on the credit side of the 

 account, because while the injury done by some of them 

 is infinitesimal or doubtful, others are positively friendly 

 to the farmer. For instance out of the 9126 caterpillars 

 how many were species feeding upon cultivated plants ? 

 The larvae of many of our showiest butterflies and moths 

 have no use for the delicate shoots of young wheat, or the 

 succulent leaves of cabbage or turnip. To mention a few 

 only, the caterpillars of the Peacock butterfly, the small 

 Tortoiseshell, and the Red Admiral subsist exclusively upon 



