BUTTERFLIES. 13 
are greenish marked with black bars, and are furnished 
with rather long, black, hair-like tentacles; they feed upon 
the common milkweeds. As this insect is very common, 
and can easily be raised in captivity, those that wish 
Dene 
O6C Lore > 
Hi) 
oS 
SS 
Es >= 
Fig. 16.—Danais archippus Fab.: Egg, caterpillar, pupa and adult. After Riley. 
to see for themselves the metamorphoses of insects can 
do so without much trouble. All that is necessary is to 
furnish the caterpillar with a fresh supply of food whenever 
needed. Before long the caterpillar will fasten itself by 
