ILLUSTRATIONS 



Page 



Fig. 1. Work of the larger wax motli 6 



2. American foul brood 8 



3. The ropiness of Araerican foul brood 9 



4. American foul-brood comb 9 



5. European foul brood 11 



6. Apparatus for the shaking treatment 15 



7. Gasoline torch 16 



442 



