68 POMPILIDA. 
Thorax punctured, somewhat gibbous and very short ; meta- 
thorax the same, and very delicately punctured and shining; the 
wings with their nervures black, and a broad transverse fascia 
covering the marginal, second and third submarginal, and a 
portion of the third discoidal cells, not extending to the posterior 
margin of the wing, and another very slight transverse mark 
covering the geniculation of the externo- and transverso-medial 
nervures ; the legs black, the anterior tarsi very slightly ciliated, 
and the intermediate and posterior tibiz very strongly serrated. 
The abdomen, with the first, second, and base of the third seg- 
ments, red. 
The ¢ I am unacquainted with. 
In the Cabinet of Mr. Hanson and my own. 
t4++ This species is very distinct from the preceding 
when compared with it, its thorax being much more gib- 
bous, the wings differently marked, the nervures traced 
differently, and the posterior tibiz more strongly serrated. 
I have caught it at Hampstead and Highgate, but it is 
rare. I have not now taken it for three years. I have seen 
a specimen in the possession of Mr. Hanson. 
Genus VII. Cerropates. Lat. 
Heap compressed, of the width of the thorax ; eyes oval, placed 
laterally high ; the stemmata in a triangle on the forehead ; 
antenne filiform in the ¢, gradually but very slightly increas- 
ing in thickness towards the apex in the 4, inserted in the 
middle of the anterior part of the face, rigid, a little curved, 
and the division of the joints scarcely distinguishable; labrum 
nearly triangular, somewhat obtuse at its base, attached to the 
anterior edge of the clypeus, entirely exserted ; the mandibles 
with a sharp tooth below their apex. The rHorax gibbous; 
collar transverse, extending laterally to the tegule; scutellum 
very prominent; metathorax inclined; superior nings having 
