8 INTRODUCTION. 



which are the most conducive to the prevention of grasshoppers, and 

 that the deductions of Part II show that while alfalfa is one of the 

 first of our forage plants, its choicest product is not to be found in 

 the hay-rack, but upon the farmer's table, carried thither by the 



busy bee. 



S. J. H. 

 JANUARY 9, 1899. 



