138 
course of any of the winter n.onths, I pare all the 
earth from under the bushes to the depth of about 
three inches, into a flat ridge between the rows, 
and in the first dry day following I either tread, 
beat, or roll the ridges and trench the whole 
down one and a half or two spades deep, observ- 
ing to tread the foul earth into the bottom of the 
trench,” 
Gibs’s plan of picking oflf the leaves on which 
the eggs are deposited, appears to be a tedious 
practice. Indeed it would be far preferable to 
await the appearance of the holes being per- 
forated by the first attack of those perpetrators, 
which will be readily observed by those in search 
of them, 
I can form no just opinion of Elliot’s Mix- 
ture, as I unfortunately have not tried it ; but as 
for his method of laying lime round the roots, to 
destroy the eggs, it is quite erroneous. In fact 
there are none ; and if there were any, it would, 
I believe, tend to preserve rather than destroy, 
Machray’s Mixture is very likely to be in- 
vested with destroying properties, if it was not 
attended with too much expense. The several 
practices of dusting the trees with road and mill 
dust, &c, dirties them, and checks the bush in its 
growth, without being of any use in destroying 
the Caterpillars, As respects Hellibore, which 
appeared some time ago in the newspaper, as a 
good remedy, I find, on trying two ounces of 
powdered Hellibore, mixed with one gallon of 
