52 
depositing- with giiiumy matter, employing- her 
tail in the operation, which when dry forms a 
thin shell or scale, about the eighth of an inch in 
width. On the 19th October, on examining the 
scale, I found twenty-six Caterpillars existing, 
which I am persuaded had never left their abode, 
as at that time all the pai’ts were completely shut 
up, and indeed the edges of the scale were fast 
cemented to the branch. I think it probable they 
may derive some little support from the sap of 
the branch under the shell or covering- where they 
i-eside, but it is quite clear they never emerge 
from their birth-place, to obtain food or form any 
additional residence, till they are influenced by 
warmth in May, when they begin laboriously to 
extend their boarders, as before described. These 
little animals sometimes prevail very extensively, 
even so as to strip whole orchards of their foliage, 
which I need not remark must have a tendency 
to injure the trees very materially, as well as to give 
our orchards their winter appearance at a period 
when they ought to assume their richest verdure. 
For their destruction nothing more is 
requii-ed than the application of strong- soap suds, 
forcibly applied with the engine, so as to break the 
web, that the .suds may reach the insects; or in 
place of the suds. Mixture (No. 8) applied in the 
same way, will answer the same end. When the 
trees are not much infested, gather the webs, in- 
cluding the Caterpillars, by hand, and destroy them 
in any way inost convenient. 
