236 STATES OF INSECTS. (Larva.) 
may be partly surmounted, by adverting to the circum- 
stance of its having attained its full growth, and laid up 
a store of nutriment for the development of the perfect 
insect. It is consequently no more wonderful that it 
should not have need of any further supply without cast- 
ing off its upper integument, than that it should not eat 
after having done so and become a pupa. 
I am, &c. 
