- 
38 Mr. F. Smith’s descriptions of new species 
Mygnimia Atropos. 
Male.—Length 6} lines. Black: mandibles and an- 
tenne ferruginous; the latter more or less fuscous above. 
The thorax, in certain lights, with an obscure purple 
tinge; the anterior tibiz and tarsi, and the extreme apex 
of all the femora, ferruginous; the wings blackish-brown, 
with a bright blue and violet iridescence ; an obscure 
ocellated spot in the first discoidal cell; the metathorax 
with a few slight transverse carine. Abdomen slightly 
shining. 
CRABRONIDE. 
Trypoxylon accumulator. 
Female.—Length 63 lines. Black: the apex of the 
first, and the second and third segments entirely, ferru- 
ginous. Head: the palpi pale testaceous ; the mandibles 
pale testaceous at their base and ferruginous towards their 
apex; the flagellum of the antennz, except the two first 
joints, fulvous beneath; the clypeus and face, as high as 
the sinus of the eyes, covered with silvery-white pubescence. 
Thorax smooth and shining above; the metathorax with 
a deep central longitudinal fovea, which extends from the 
base to the apex, and is widest in the middle; the sides of 
the metathorax with a thin white pubescence, there is also 
a little on the thorax beneath and on the legs ; the ante- 
rior and intermediate tarsi, the anterior tibiz in front, the 
intermediate pair at their base and apex, and the posterior 
pair at their apex, as well as all the spurs of the tibiz, 
pale rufo-testaceous ; the base of the joints of the posterior 
tarsi pale; the wings hyaline, faintly clouded at their 
apex, the nervures black; the tegulx rufo-testaceous. 
Abdomen smooth and shining. 
Oxybelus squamosus. 
Female.—Leneth 3 lines. Black, spotted and banded 
with yellow. Head: the scape in front and the mandibles 
yellow; the latter ferruginous at their tips; the antennz 
fulvous; very closely punctured. Thorax shining, strongly, 
but not very closely punctured; an ovate spot on each 
side of the scutellum, and a squama beneath each on 
the post-scutellum, yellow; at the posterior margin of 
the latter is a larger squama of a bright red, coppery 
colour, notched at the apex; the anterior femora beneath, 
