206 CRABRONID®. 
the collar with an interrupted transverse band, the tubercles, 
and a spot on the scutellum, yellow; the tegule testaceous; the 
wings slightly coloured; the legs ferruginous, with their coxe 
black. 
The abdomen black, shining, with an ovate transverse yellow 
spot on each side of the second and third segments, and a yellow 
band occupying the fifth 9. 
The ¢ differs in having the antenne ferruginous, with the 
basal joint above, the second entirely, and the five following 
above, black, the basal joint yellow beneath ; the base of the 
clypeus entirely yellow ; the tegule yellowish; the legs fulvous, 
with the thighs black, and the anterior tibize in front and the 
knees of the rest yellowish; the abdomen with a transverse 
band at the base of the third segment, and another entire at the 
base of the sixth segment, of a yellowish white. 
$ ¢ in Mr. Curtis’s and the Entomological 
Society’s Collections; ¢ in my own, and 
@ in that of the British Museum and 
Mr. Stephens. 
+4+ All the specimens I have seen have come from Nor- 
folk or Suffolk ; mine I obtained at Mr. Haworth’s sale, 
and it probably came from the same quarter, where it ap- 
pears to be local: those in the Entomological Society’s 
Collection came in the Rev. Mr. Kirby’s Cabinet, and Mr. 
Curtis has taken it at Wrentham in Suffolk, at the end of 
June. 
Genus XXIX.—Atyson. Jur. 
Heap subrotund ; antenne filiform, inserted at the base of the 
clypeus, the scape slightly bent; the clypeus transverse, con- 
vex, the anterior edge with a slight margin, and tridentate 
(edentate in the 3); the mandibles tridentate, the teeth obtuse ; 
the labrum concealed. The tHorax sublinear; the collar 
transverse, quadrate, considerably narrower than the thorax ; 
