16 
NEUROPTEROUS INSECTS. 
anal segment, mucronate ; inferior process as broad 
at its tip as the tip of the abdomen, and widely 
more or less emarginated ; beneath, first and second 
abdominal segments pale, the lateral tubercle 
rounded, unarmed ; feet black. 
Length about two and a half inches. 
Yar. A. Dorsal series of the abdomen none; a 
lateral series of dull yellowish, oblong, subtriangu- 
lar spots. 
The variety was sent to me by Dr. Harris. I 
have not seen the female. 
1 1 Eyes distant above. 
9 M.fraterna. Wings immaculate; thorax yel- 
lowish, with brown lines ; abdomen brown, with a 
yellow vitta ; dilated at tip. 
Inhabits U. S. 
Length less than two inches. 
t Head greenish-yellow; eyes distant above; 
labrum with an indented point in the middle; 
between the eyes a black band, including the stem- 
mata and antennae; thorax greenish-yellow, with 
three double fuscous vittae ; between the wings a 
greenish-yellow vitta; wings immaculate; costal 
nervure greenish ; carpus fuscous small, the trans- 
verse line of its base passing obliquely across the 
second series of cellules ; accessory membrane very 
small; abdomen dark fuscous, cylindrical, thick- 
er at base, and much dilated at tip ; a dorsal yel- 
lowish line, interrupted by the incisures, wider on 
the basal segment, and exhibiting a spot only on 
two of the dilated segments ; anal appendices four, 
short, subulate ; sides of the abdomen with a dilated 
