NEUROPTEROUS INSECTS. 
37 
Length one inch and nine-tenths. 
The body is much shorter, and the wings larger 
than the rectangular is, S., which it resembles ; the 
inferior anal processes also are shorter, and the su- 
perior pair not decurved so much. From Dr. Harris. 
Agrion. 
1. A . verticalis. Head green, blackish above; 
occiput with a bluish spot on each side. 
Inhabits Indiana. 
3 Body above dark bluish, somewhat glaucous, 
with an obsolete brassy reflection ; head light green ; 
above and behind black, with an obsolete brassy 
reflection ; frontal projection black above, sometimes 
connected by this color with the color of the vertex ; 
eyes bright yellow-green, fuscous on the superior 
surface ; occiput with a dilated pearlaceous blue or 
glaucous spot each side ; hairs numerous and rather 
long ; thorax with numerous, rather long hairs ; a 
brassy vitta and lateral black lines ; wings hyaline ; 
cellules chiefly quadrangular ; stigma short, rhom- 
boidal, brownish ; tergum slightly pruinose, tips of 
the segments a little darker, and extreme base of the 
segments with an obsolete yellowish band ; termi- 
nal segments a little darker and slightly iridescent ; 
venter pale green or gray, with a black line ; pectus 
and pleura greenish; feet greenish; thighs black 
above ; tibise with a black line on the exterior side. 
Length one inch. 
9 Body of a darker color than that of the female ; 
the eyes are black above ; the occipital spots are 
