INSECT SIPPERS AND GNAWERS. 
243 
turning back its head, pass the silk from its tip 
across and across the body (b &), so that by and by 
when the skin is shed, the chrysalis remains firmly 
tied to the paling. 
One of these two ways of fastening themselves 
are followed by almost all the caterpillars of butter- 
flies, except a few which roll themselves in leaves or 
bind themselves in slender webs. But the moth- 
Fig. 82. 
Caterpillar and Chrysalis of Cabbage Butterfly * bound to a paling. 
t, Tuft of silk holding the tail ; b b, Silken band securing 
the chrysalis. 
caterpillars are much more clever at hiding, and in 
many ways are more interesting than those of butter- 
flies. 
Naturalists are in the habit of dividing the Lepi- 
doptera or scale -winged insects into moths and 
butterflies, and although there is no real distinction 
between them, yet in a general way it is not difficult 
to tell them apart. 
A moth, as a rule, lays its wings down upon its 
* Pieris brassica. 
