CHAP TEE III. 
Jointed Animals,— continued . 
Insects,— continued. 
Butterflies and Moths, —Order Lepidoptera. 
PINE HAWK-MOTH WITH LARVJE AND PUPA. 
The beautiful insects comprehended in the order to which the name Lepidoptera 
or scale-wings has been given are familiar to the majority of readers without any 
lengthened introductory description. The butterflies, or Rhopalocera, and the 
moths, or Heterocera, though they form two distinct sections of the order, cannot 
be divided by any hard-and-fast lines. They may generally be distinguished from 
one another by the manner of the folding of the wings at rest, or more precisely by 
the different character of the antennae. The wings of the moths, too, are locked 
together by a tiny hook on the inner margin of one wing fitting into an eye on 
the inner margin of the other. The butterflies never possess this curious structure. 
The Lepidoptera are easily distinguishable from other orders of insects by the 
four ample wings, with more or less regular veins or nervures, clothed with the 
minutest, exquisitely-chiseled scales, of many shapes, and great variety of external 
chasing. These scales are but modified forms of hairs, broadened out, flattened 
and fashioned to cover the delicate membrane of the wing with an overlapping 
armament of beauty. And it is to this wondrous sculptured dust, breaking up the 
