NEUROPTEROUS INSECTS. 
29 
small brownish spots from the base to the middle, 
the latter spot largest, transverse, and reaching the 
anterior edge ; posterior wings with six correspond- 
ing submarginal spots ; a fuscous spot at the anal 
hase of each wing ; anal membrane black, with its 
basal half wdiite ; stigma dull yellowish ; abdomen 
with the incisures black, a dorsal and lateral cari- 
nated line; feet with black spines. 
Length about one inch and three-fifths. 
The pleura and base of the abdomen are some- 
what marked with brighter yellow. The browm 
spots of the anal base and the submarginal spots of 
the wings, are sometimes obsolete, or altogether 
wanting anal appendices $ arcuated, unarmed ; in- 
ferior process a little curved upward, over three- 
fourths the length of the superior pair. 
A female specimen sent me for examination by 
Dr. Harris has the spots of the anal base of the 
wings more obvious. 
18. L. exusta. Wings with a fuscous spot at 
base ; anal processes subequal. 
Inhabits Massachusetts. 
£ Body yellowish-browm, 'covered with a cinereous 
pubescence ; a black line between the antenna; ; 
eyes in contact by a small portion of their superior 
curvature ; thorax above pale brownish with a yel- 
lowish-green vitta from the anterior wings forward ; 
wings hyaline, very slightly tinted with yellowish ; 
costal cellules, between the middle of the wing and 
the stigma, about twelve or thirteen; stigma yel- 
lowish ; a fuscous longitudinal spot on the middle 
