CICADA. 
153 
live of New Holland, of a beautiful green colour, 
with transparent wings ornamented by green 
..veins. 
Among the sma ller European Cicadas one of the 
most remarkable is the Cicada spumaria or Cuc- 
kow-spit Cicada, so named from the circumstance 
of its larva being constantly found enveloped in a 
mass of white froth adhering to the leaves and 
stems of vegetables. This froth, which is popu- 
larly known by the name of Cuckow-Spittle, is 
found during the advanced state of summer, and is 
.the production of the included larva, which, from 
the time of its hatching from the egg deposited by 
the parent insect, continues, at intervals, to suck 
the juices of the stem on which it resides, and to 
discharge them from its vent in the form of very 
minute bubbles, and by continuing this operation, 
completely covers itself with a large mass of froth; 
which is sometimes so overcharged with moisture, 
that a drop may be seen hanging from its under 
surface. The included larva, or pupa, (for no ma- 
terial difference can be observed between these 
two states,) when arrived at its full growth, is about 
the fifth of an inch in length, of an oval shape, 
. with broad head and thorax, and slightly point- 
ed abdomen: its colour is a beautiful pale green, 
•and the trunk or sucker with which it extracts the 
sap of the plant, may be observed by examining 
the under part of the thorax, where it will be seen 
pressed down in a strait direction from tlie head. 
When the time arrives in which, the animal is to 
undergo its change into the complete insect, it 
