neuropterous insects. 
15 
smaller double one in the middle, and a triangular 
spot at base; anal processes narrow, foliaceous, 
on their basal half subcylindrical, with two small 
distant teeth on the inner inferior side ; beyond the 
middle rectilinear, flattened, sides parallel, rounded 
at tip ; inferior process about half as long as the 
superior pair, wide, widely emarginate down to its 
middle. 
Length over two inches. 
This may readily be distinguished by the widely 
forked form of the inferior caudal process. I have 
seen but the individual sent me for examination 
by Dr. Harris. 
8. JE. obliqua. Thorax brown, with two oblique 
yellow vittae before; front yellow, with a black 
band. 
Inhabits Indiana. 
Eyes angularly contiguous above ; front greenish 
yellow, with a black band; antennae black; space 
between the antennae and region of the stemmata, 
black ; occiput dull yellowish ; occipital interval 
tuberculiform, greenish-yellow ; posterior upper 
canthus of the eyes black, passing in a hairy ridge 
to the top of the occipital tubercle ; stethidium fus- 
cous; two yellow oblique vittae before; middle be- 
tween the wings with a yellowish spot ; pleura with 
two distant, parallel, oblique, yellow vittae, margin- 
ed with black ; wings hyaline, immaculate ; stigma 
black; anal membrane white; abdomen blackish, 
a dorsal series of yellowish spear-shaped marks, 
those ot the two posterior segments dilated, the last 
one quadrate ; anal appendices not longer than the 
