FALSE CATERPILLARS. 225 
Mother. Yes ; but those termed true 
caterpillars, you know, have seldom more 
than six legs ; whereas, these possess 
from six to twelve others. The addi- 
tional legs, which are attached to the 
hinder segments of the body, are called 
spurious ; or by some authors, from their 
peculiar structure, membranaceous legs. 
They seem to be of little use to the ani- 
mal in walking, but it steadies itself by 
them in feeeding ; and, as they are fur- 
nished with a beautiful apparatus of mi- 
nute claws, or hooks, they are of material 
service to it in clinging, or climbing. 
The tenthredo vltellince, which I have 
painted in my book of insects, I found, 
in the caterpillar state, in the rotten 
wood of a hollow hawthorn tree ; it was 
rough like shagreen, of a dusky blueish 
colour, and its head was large, and of a 
dull red. I kept it in a box for some 
days, during which it did not eat the 
rotten wood, -^/ith which 1 supplied it. It 
then spun a thick case, to which it glued 
a quantity of little scraps of wood, and 
l5 
