92 The Connecticut Pomological Society 



them sure. These houses have to be built very tight to prevent 

 the escape of the gas. I know a nurseryman who has a fumi- 

 gating house that he uses in the spring and fall for fumigating 

 purposes, and uses it through the winter in which to store 

 potatoes to keep them from freezing. These fumigating houses 

 are becoming more frequent in the nursery business, and I dare 

 say the time is coming, as the conditions are so rapidly chang- 



Fic5. 13. A box tent in position covering a twelve foot tree. Photograph 

 taken November, 6. 1897. by W. G. Johnson. 



ing, when every nurseryman who has any respect for himself or 

 his customers will be obliged to fumigate whether he has any 

 scale or not. He will have to do it to protect his own interests. 

 In some of the large orchards of the south they are experi- 

 menting with the tent outfit; that is, by the erection of a 

 large tent, completely enveloping the tree, and then fumigating 

 with the gas for the destruction of this pest as shown in Figs. 

 13 and 14. I know of one instance where an orchard of 



