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MOTHS AND BUTTERFLIES. 
insect-eating animals. On this account they fly boldly forth, making 
little or no effort at concealment. 
These protected insects have been the subjects of unconscious 
imitation or mimicry by butterflies belonging to other groups less 
favored by nature, and many of the species are so exactly copied 
both in coloring and also in habits as not only to deceive the birds 
but also the collectors. 
One of our largest and best known butterflies belonging to this 
genus is Danais archippus. The larva feeds on the milkweed, and is 
Larva of Danais archippus. 
a prettily marked creature, being banded transversely with black, 
yellow and green, and having two long black fleshy horns or filaments 
at either end of the body. It is easily reared in confinement, and the 
chrysalis, which is translucent pea green relieved with a line of black 
dots across the back and rows of circular spots of burnished gold 
Chrysalis of Danais archippus. 
about the thorax and along the sides, is an object rarely equalled for 
beauty in art or nature. The butterfly makes its appearance about 
two weeks after the chrysalis is formed, the color of the wings being 
plainly visible through the thin chrysalis shell for a day or two before 
