8 DEPARTMENT OF AGRICULTTJEE BULS. 176-200. 



Department Bulletin 199. — Loss in Tonnage of Sugar Beets by Drying: 



Introduction 1 



Experiments in pulling and drying sugar beets 2 



Effect of drying upon the sugar content of beets 7 



The drying of sugar beets in very large open piles 8 



Relation of shrinkage to money loss 10 



Department Bulletin 200. — A Maggot Trap in Practical Use — An Experi- 

 ment in House-fly Control: 



Introduction 1 



Local conditions with regard to fly prevalence and breeding places 1 



Plan of experiment 3 



The maggot trap 3 



The method adopted in using the maggot trap 4 



The percentage of maggots destroyed 4 



Influence of other breeding places on the number of flies at the college 8 



Some defects of the maggot trap 9 



Some advantages of the maggot trap 12 



The influence of the maggot trap on the value of the manure 13 



Conclusions 14 



References to literature 16 



