ORDER IV. 
MOTHS AND BUTTERFLIES—(LEPIDOPTERA). 
Figure 26. 

Caterpillar of the Saturnia To. 
WE now approach the most beautiful and, to the gener- 
ality of people, the most interesting department of Ento- 
mology. The splendor and variety of the insects of this 
order has never failed to attract attention, and with all loy- 
ers of nature nothing more readily or more universally ex- 
cites the mingled emotions of pleasure and astonishment 
than the careful examination of a rich collection of Moths 
and Butterflies. The endless diversification of colors, which 
are distributed in different forms upon the bodies and wings 
of lepidopterous insects, and even upon the bodies of cater- 
pillars, some in lines, others in circles, or eyes, or hiero- 
glyphics, or letters, and all in ever-varying shape and hue, 
can not fail to excite our admiration, and impress upon us 
the conviction that even the most diminutive creations bear 
the same stamp of pleasing and infinite variety which per- 
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