ECONOMIC VALUE OF FUMIGATION 235 



can handle the small ones nicely. In fadl, three men 

 could manage ten large tents in one hour. From 

 every appearance now the scale seems to be thoroughly 

 killed and the trees to be do : ng well." 



Certificate of fumigation. Professor lyochhead says : 

 ' ' In Ontario there is one particular in which we differ 

 from most of the states to the south of us, and 

 that is in allowing the proprietor of every nursery 

 to attach his own certificate of fumigation. Per- 

 sonally, I think this is neither fair to the nurserymen 

 nor to the public, but the Department of Agriculture 

 here in Ontario has never seen fit to appoint official 

 fumigators to take charge of the fumigation at every 

 nursery. The department allows the nurseryman to 

 do his own fumigating and to attach a certificate of 

 fumigation to every package sent out. The inspector, 

 of course, and his assistants are moving about during 

 fumigation time, and the nurseryman does not know 

 when to expect a visit. Of course, we look after those 

 nurseryman who live in infested regions. All the 

 nurseries in the scale-infested regions are examined for 

 scale, so that there is a double check on all stock sent 

 out." 



Nurserymen willing to fumigate. "I find that 

 there is quite a change of opinion regarding the merits 

 of fumigation within the past year. I can say now, 

 without hesitation, that nearly every nurseryman is 

 perfectly willing to fumigate his stock according to 

 directions, and to do it carefully. He feels that his 

 reputation and his business are at stake should scale be 

 found on his stock. We examine every fumigation 



