TORTOISE-SHELL BUTTERFLY. 75 
Mother, That is very possible ; and, 
my dear little girl, it gives me great 
pleasure to find, that you can reflect, and 
that you do not learn merely like a 
parrot. 
To-morrow we may proceed a step 
farther, as I think you are now suffi- 
ciently versed in this order of insects 
to enable you to read more detailed ac- 
counts with both amusement and be- 
nefit. 
Lucy, Before you go, mamma, will 
you tell me why the tortoise-shell butter- 
fly, in this drawing^, is called papilio 
urticae r 
Mother » Because urtica signifies a net^ 
tie, and its caterpillar feeds upon that plant. 
You see it represented there in all its 
stages of existence ; first, as a caterpillar^ 
which, you will observe, is one of the 
spinous sorts ; then, in the intermediate 
state of pupa, or aurelia, as we may fairly 
* Plate I. 
E 2 
