110 
LECTURE IS. 
Caterpillar, which is very large and beautiful, feeds* 
on the leaves of apple and pear-trees and some 
others. The complete insect exhibits a beautiful 
assemblage of different shades of grey, and each 
wing is marked in the middle by a most elegant 
and conspicuous eye-shaped spot. ^ 
-The Phalmia Cecropia of Linn£eus is a'^very 
hue insect, and is not uncommon in many parts of 
North- America. Its Caterpillar is of a green co- 
lour and a remarkable appearance, and has been 
elegantly represented in the beautiful work on the 
Insects of North- America by a Mr. Abbot, ac- 
companied by excellent notes and illustrations by 
our celebrated botanist Dr. Smith of Norwich. 
I shall proceed to give a general explanation 
of the remaining Linnaean Classes of Insects. 
The Class Keiiroptera or N^rve-Winged, or 
Fihre-U inged Insects consists of such as have four 
large wings, furnished with very conspicuous 
nerves, fibres, or ramifications dispersed over 
the whole wing, d'his order is exemplified in 
those elegant and very common Insects called 
Dragon-Flies, as well as in May-Flies, and many 
others. I shall content myself with giving as an 
illustration of this order the common Engfhh 
