186 Mr. F. Smith's descriptions 
third and fourth has a semicircular spot, the latter spots 
almost unite at their extremities within. 
Male. Of the same length as the female ; the head 
entirely black ; a lateral line on the prothorax, and the 
scutellum and post-scutellum, yellow ; wings as in the 
other sex. Abdomen : the first and second segments have 
an oblong spot on each side ; the foiu' following segments 
have a yellow band on their apical margin ; that on the third 
segment is broad and slightly narrowed in the middle ; the 
three following bands are each narrower in succession; 
beneath, immaculate. , ^ 
Hab.—'H.iogo. ' . |^J(J^ 
5. Scolia ventralis. ^ 
Male. Length 7 lines. Black, shining, and with a 
bright iridescence on the abdomen, which is banded with 
yellow ; thinly covered with hoary pubescence. The head 
entirely black ; the posterior margin of the prothorax with 
a yellow line on each side ; the wings fulvo-hyaline, the 
nervures fusco - ferruginous. Abdomen : the first and 
three following segments with a yellow fascia on their 
apical margins ; the fascias are notched in the middle, and 
on each side are more or less emarginate ; those on the 
first and second segments are subinten-upted in the middle. 
Beneath, the second, third, and fourth segments have on 
each side a minute, oblong, yelloAv spot. 
Hab. — Hiogo. 
POMPILIDiE. 
Genus PoMPiLUS, Fabr. 
1. Pompilus fragilis. ^ 
Male. Length 3 lines. Black, shining and impunctate. 
The face, below the insertion of the antennas, covered with 
silvery pubescence ; the palpi pale testaceous. The pos- 
tci'ior margin of the prothorax angular ; the metathorax, 
sides of the thorax, beneath, and the legs, covered with 
a fine silky silvery pile ; the wings hyaline, but with 
a fuscous cloud beyond the stigma ; the nervures black. 
Abdomen subpetiolate, the basal margins of the segments 
covered with silky silvery pile. 
Hah. — Hiogo. 
2. Pompilus maculifrons. \ 
Male. Length 6 lines. Black, smooth, shghtly 
shining, and variegated with white lines and spots ; the 
