NEUROPTEROUS INSECTS. 
33 
beneath blackish ; antenna, second and third joints 
equally long ; wings subopaque, blackish-blue, with 
a hnge of brown, destitute of any costal spot ; abdo- 
men blue, segments at their tips greenish; feet 
black. 
Length about one inch and seven-tenths. 
\ar.? Wings nearly hyaline, only tinged with 
the color. 
For this species I am indebted to Dr. Harris. 
3. C. atquabilis. Blue and green ; wings hyaline, 
a large blackish spot at tip. 
Inhabits Massachusetts. 
2 Head and thorax green, tinged with blue; labrum 
blackish violaceous; antennse, second joint rather 
longer than the third ; wings hyaline, without any 
costal spot, a large fuliginous blackish spot at tip, 
occupying the fourth of the length on the anterior 
pair, and the third of the posterior pair ; abdomen 
blue , beneath blackish, towards the tip greenish ; 
anal processes curved inwards, and towards the 
tip a little downwards, of equal diameter, excepting 
that on the inner side they are a little dilated be- 
yond the middle, upper side a little spinous ; at tip 
obtuse ; inferior processes two, rectilinear, cylindri- 
cal, a little shorter than the superior pair, dilated 
on their inner base ; pectus and feet black. 
Length less than two inches. 
A female specimen, also sent me by Dr. Harris, 
may, perhaps, be of the same species, inasmuch as 
tie wing-spots correspond, except in being paler ; 
m1 t ^ ie wm £ 8 have an opaque white spot near the 
costal tip. 
vol. viii,— 1S39. 
5 
