228 FUMIGATION METHODS 
out, nor is there evidence that parasites have taken the 
contract to disinfect the orchards of Southern Cali- 
fornia.”’ 
The practice among the fruit-growers giving their 
fumigation to the lowest bidder is a bad one. ‘The 
question should not be how cheap you will do it, but 
how good will you do it? And, again, the work 
should not be let by the tree, but by the hour. We 
do not deem it necessary to dwell upon the efficacy of 
fumigation, as we are confident that no one will dis- 
agree with us when we say that fumigation has been, 
_and still is, the salvation of the citrus fruit industry 
of Southern California.—W. H. Payne, Horticultural 
Inspector, California. 
Recently Zhe Rural Californian quoted the follow- 
ing from Professor Cook: ‘‘ Fumigation has been so 
long and favorably known that we do not need to speak 
its praises. ‘ By their fruits ye shall know them.’ The 
fruits of fumigation are the thousands of dollars saved 
to the citrus growers of Southern California. 
““We must remember that the foliage on orange 
trees is very dense, even more so than on the lemon, 
and it is not easy to reach every scale insect. Here, 
as I have often urged, is the rock on which the spray- 
ing process will split if anywhere. It is yet to be 
determined whether even in careful hands the spray 
can be thorough enough to be effective in the orange 
orchard.”’ 
The superiority of fumigation with hydrocyanic acid 
gas as a remedy for the destruction of red, black, or, in 
fact, almost any other variety of scale, is no longer a 
question of doubt with people who have tried all 
