1864.] 
407 
wing-scale dull honey-yellow : wings yellow fuliginous, more dusky at 
tip: terguni polished, punctures more sparse than on the thorax; seg¬ 
ments, particularly the basal ones, white on their posterior margins; 
and each segment excepting the ultimate and basal ones, with a white 
interrupted band before the middle ; tail concave above, with about ten 
spines: feet black, more or less piceous: venter banded with white. 
Length over two-fifths of an inch.’’ 
ffab .—Indiana (Say); Pike’s Peak, 2 9 specimens. Coll. Ent. Soc. 
Phila. % not seen. 
A very distinct species. The apical abdominal segment of the fe¬ 
male is long, and slender at tip; the inferior plate only slightly longer 
than the superior. 
10. C. ruflpes, Guer. 
Godioxya rujipes, Guer. Icon. Reg. Anim. Ins. p, 452,* tab. 73, fig. 9. 
Female .—Head black, sparsely punctured on the vertex, clothed 
with short decumbent whitish pubescence, which is very dense on each 
side of the face, on the cheeks and on the apical margin of the clypeus; 
antennae black. Thorax black, sparsely and deeply punctured; an 
arcuated line on the anterior margin, interrupted on the disk, a line 
over the tegulae ending in a large spot behind, a transverse line in 
front of the scutellum, a double line on each side of the pleura, the 
disk of the thorax beneath and the metathorax in greater part, snow- 
white ; scutellum obtusely angulated behind with a very short blunt 
tooth in the middle and a rather long, obtuse, slightly divergent tooth 
on each side; tegulae black, smooth and shining. Wings fusco-hya- 
line, fuliginous at tip ; nervures black. Legs rufous, the coxae, the 
femora beneath and the tibiae outside covered with very short white 
scale-like pubescence. Abdomen elongate, conical, black above, very 
glossy, with fine scattering punctures; the segments having the trans¬ 
verse impressions very faint and the apical margins of the five basal 
segments fringed with dense snow-white pubescence; apical segment 
short, densely and finely punctured, with a well defined longitudinal 
dorsal carina near the tip which is rounded, and clothed above with 
rather short erect, blackish hairs; lower plate longer than the upper, 
broad towards the base and suddenly constricted towards the tip into a 
long slender acute spine, densely fringed with long fuscous hairs; ven- 
