18 
NEUROPTEROUS INSECTS. 
tarsi black-piceous ; the former yellowish on the 
inner side ; 'abdomen not remarkably clavated. 
Length two inches. 
This species resembles the fraterna , but it is 
much more yellowish, the stigma of the wings is 
about double the size, the markings differ. It also 
resembles ungmculata, Vanderlinden, but the stigma 
is much larger. 
Libellula. 
1. L. hjmencea. Wings hyaline; posterior wings 
with the anal margin brown, with white nervures; 
anal membrane white, opaque. 
Inhabits Indiana. 
9 Vesicular front fulvous; stethidium dull yel- 
lowish-green ; wings hyaline ; stigmata small ; pos- 
terior pair wider at base, the anal margin brown, 
particularly towards the anal angle, which, how- 
ever, this color does not reach, neither does it attain 
to the origin of the wing, the nervures of this 
brown margin are yellowish- white ; anal mem- 
brane opaque, pure white; scutel tricarinate; ab- 
domen with a carinate line above, and on each 
side ; second, third, fourth, and fifth segments with 
two transverse, elevated lines towards their middles ; 
anal processes cylindrical, mucronate; feet black- 
ish ; anterior pairs of thighs greenish-white exteri- 
orly ; anterior pairs of tibiae with a whitish line. 
Length nearly two inches. , 
Readily distinguishable by the whitish nervures 
in the brown anal margin of the posterior wings, 
and the snow-white anal membrane. It seems to 
be allied to L. Carolina. 
