ORDERS. 83 
flies only in the day ; for the sphinx you 
told me no English name, but I remem- 
ber it flies at sunset ; and phalaena is the 
moth, and that flies at night. 
Mother. One species of the papilio 
is the pretty little house buttei-fly, wtili 
which you are well acquainted. 
Lucy. And the emperor moth is a 
species of the phalaena. 
Mother, It is. To-morrow we shall 
proceed to another order* 
