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A DESCRIPTION OF 
THE BLACK ARCHES MOTH. 
(Bombyx, or Psilura Monocha.) 
THESE caterpillars feed on the leaves of red roses and 
gooseberry bushes, and, in short, on almost every kind of 
plant. The chrysalis is of a shining brown, and is enve- 
loped in a slight cocoon. When they wish to change from 
one situation to another, they ascend by attaching them- 
selves to the bough with their feet, by which they raise 
the body like a serpent, and thus gain their desired situ- 
ation. They hold themselves so fast by their feet that they 
can scarcely be taken from the part to which they adhere. 
THE SILKWORM. (Bombyx mori.) 
WITHOUT entering into a very minute description of this 
caterpillar, we shall confine ourselves to what we think 
will be at once more interesting and more useful. The 
Silkworm being an insect of universal service, and not of 
singular beauty, we are induced to prefer giving an ac- 
