DIALOGUE IX. 
MOTH, BUTTERFLY, SPHINX. DIFFER- 
ENCE OF THEIR ANTENNiE. LEFI- 
DOPTERA. 
LUCY. Yesterday, mamma, you said 
you would tell me the difference between 
moths and butterflies, and some other fly 
with an odd name. 
Mother, The odd name that you forget 
is sphinx ; this insect differs in some parti- 
culars from eitlier the butterfly or the 
moth; for instance, it flies only at sunrise 
and sunset. 
Lucy. But why has it such a strange 
name as sphinx ? 
Mother. In the Grecian fabulous his- 
tory, we find a monster described, of that 
name, whose body and limbs resembled 
