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which at the commencement appears downy, and 
mixed with a gummy matter. This becomes hard, 
as it increases in bulk, till at its full size, when 
it is quite shelly. In this state the female parent 
lays a considerable number of small white eggs, 
and then dies. The male about the same time 
commences his transformation, and quits his ham- 
mock in his winged state, about the time the 
eggs are brought into animation. 
The Coccus Vixis, described on Vines, 
differs materially from most other kinds. When 
about to establish its progeny, it produces a cot- 
ton-like substance, which nearly separates the 
Scale from its abode. In this nest it envelops its 
innumerable eggs, and then dies. 
The Mealy Bug (C. Adonidum), described 
on Gooseberries, dift'ers from most other kinds, in 
not becoming testacious, and in not being ce- 
mented or fixed to the place it first possesses. 
From the time of its first coming into existence 
to the time it retires to quit its eggs it is 
able to travel about. The female retires into cre- 
vices of the tree or plant she infests, or into the 
earth, bark-pits, or other concealments, to per- 
form the parental office, where she manufactures a 
white downy substance, in which she completely 
secretes herself, quits Jier eggs, and like the rest, 
dies. 
For their Destruction. — One great 
point to be observed to accomplish their destruc- 
tion will be to use the means while the Cocci 
