HYMENOPTERA. 187 
cence; the metathorax truncate posteriorly, convex above and 
transversely striate. Abdomen clothed with a changeable in- 
descent pile. 
Hab. South Africa. (Coll. Dr. A. Smith.) 
19. Myenimia TISIPHONE. B.M. 
Female. Length 17 lines.—Black, smooth and shining: the 
clypeus widely emarginate in front; the wings dark brown, 
beautifully iridescent, partaking of shades of blue, purple and 
green; the metathorax opake, transversely striated, finely in 
centre and coarsely so at the sides, posteriorly truncate, the 
truncation opake ; the tibia obscurely rufo-piceous beneath. 
Abdomen very smooth and shining, delicately and distantly 
punctured, the apical segment and also the apical margins of the 
segments beneath, rufo-piceous ; beneath, the segments are 
more strongly and closely punctured than above. 
Hab. South Africa. 
20. MyGNIMIA SPECTRUM. B.M. 
Female. Length 7-10 lines.—Rufo-testaceous : the eyes and 
tips of the mandibles fuscous ; the post-scutellum and margins of 
the metathorax more or less fuscous, the latter transversely 
striated above and rounded behind ; wings dark fuscous, with a 
brilliant iridescence partaking of shades of purple, violet and 
blue ; the apical margins of the segments of the abdomen and a 
central longitudinal stripe rufo-fuscous. 
Male.— Resembles the female in general colouring, but having 
the meso- and meta-thorax black, or fuscous ; the sides of the 
thorax parallel, the metathorax truncate posteriorly and thinly 
covered with cinereous pubescence ; the tegulze and basal portion 
of the costal nerve rufo-testaceous. 
This species resembles the Pompilus glabratus of Klug, but 
the neuration of the wings is entirely different. 
Hab. Gambia; Interior of S. Africa. (Coll. Lord Derby.) 
21. MYGNIMIA SABULOSA. B.M. 
Female. Length 10 lmes.—Black: without pubescence, or 
having only a few black hairs on the clypeus, anterior coxze and 
the apex of the abdomen ; the mandibles obscurely rufo-piceous ; 
the flagellum fulvous beneath, brightest towards the apex ; tips 
of the joints of the palpi ferruginous; the metathorax rounded 
behind, transversely striate, and having on each side posteriorly 
a minute tubercie ; the scutellum and post-scutellum elevated in 
