200 
[October 
expresses such differences between tbe two species as I find to be 
pretty constant, all exceptions that occur being carefully noted. 
P. BIIilNEATA Say. P. LIMBATA Plctet. 
{=limbata Hag. Synops.) {—hilineata Hag. Synops.) 
Prothorax. 
Spots on each side 
of the joints of ab¬ 
dominal dorsum. 
Black in front and laterally, 
as described in Synopsis. 
Yellowish white, medial, 
suboblong or elongate-tri¬ 
angular ; lateral tip of 
each joint brown. 
Anterior legs % 9 • Puscous immaculate, base 
of tarsal joints 2—4 paler 
only in two 9 • 
Four hind legs 9- Femora dull greenish, knees 
and the rest of leg fus¬ 
cous. 
Seta %. 
Hark fuscous brown, the 
joints occasionally with a 
very nari’ow basal whit¬ 
ish annulus. 
Seta 9 • 
Very pale brown, darker 
at base, whitish at tip, 
almost always with fus¬ 
cous incisures. 
Veins at the ex¬ 
treme base of all 
four wings % 9 • 
Veins in all four 
wings 9 except at 
the extreme base. 
Dusky. 
Dusky or black. 
Terminal edge of 
hind wings. 
Fuscous % 9 • 
Black laterally only, as de¬ 
scribed in Synopsis. 
Yellow or fulvous, basal, 
equilaterally triangular; 
lateral tip of each joint 
with a similar fulvous or 
yellow triangle. 
Fuscous, base of tarsal joints 
2—4 whitish or yellowish, 
except in a single % . 
Bright clear yellow, tips of 
a few of terminal tarsal 
joints, and the whole of 5 
fuscous. 
Whitish, terminal ^ of each 
joint brown; joints some¬ 
times alternately 1 all 
brown and 1 all white, or 2 
all brown and 1 all white. 
Whitish, with brown incis¬ 
ures obsolete at tip, in a 
very immature 9 obsolete 
except at the extremebase. 
Incisures sometimes ir¬ 
regularly wide & narrow. 
Hyaline. 
Yellowish, more or less par¬ 
tially tinged with dusky. 
Fuscous or clouded , hya¬ 
line or clouded 9 • 
In all my % specimens both of bilineata and limbata the anterior leg 
is nearly as long as the body, but proportionally a little longer in the 
former than in the latter; whereas in the abnormal S from Rock Isl¬ 
and, described above by Dr. Hagen, the anterior S leg is only d as long 
as the body. In 9 S bilineata.^ measured while they were alive, the 
