The Hymenoptera of the Georgetown Museum. 229 
it is wide at the apex, smooth, shining. Wings hyaline, the apex of the costal 
cellule and the radial fuscous violaceous. Female . 
Length 7 mm. 
Front and vertex finely, closely punctured distincly more finely and closely 
than the mesonotum. Thorax srongly punctured, the punctures clearly 
separated, the anterior part of the mesopleure much more coarsely, almost 
running into reticulations ; its apex and the baee of the metapleure almost 
impunctate. The basal half of the 2nd ventral segment is obliquely sloped. 
Hing legs black, the 4 anterior tibiz and the apex of the femora broadly lined 
with yellow. The middle of the abdominal ;etiole is widely furrowed on the 
sides, the node is brownish below. The pubesence on the front and vertex 
black, on clypeus white, on the eye incision and clypeus there is a dense 
silvery pile. 
Eume nes 8-maculatus, sp.n. 
Black, densely covered with a silvery pile ; 2 small semicircular marks on the 
top of the clypeus, a broad line, narrowed towards the middle, on the base of 
the pronotum, a narrower one on the sides, widened in the middle, a narrow 
line, of equal width, on the base of scutellum, post-scutellum, an oblique, 
quadrangular spot on the base of the metanotum at the sides, a longish 
triangular mark, the narrowed end above, on the apical half laterally, a line 
on the apex of the Ist abdominal segment, with a short one at its base on the 
sides, a slightly wider one on the 2nd, with a wide, regular incision on either 
side of the middle and wider ones, tinged with rufous, on the others, yellow, 
the lineson the 2nd and following going all round. Legs black, the apex of 
thefemora and all the tibize for the greater part yellow ; the 4 front tarsi for 
the greater part black. Wings clear hyaline, the radial cellule slightly infus- 
cated, the nervures and stigma black. Female. 
Length 7 mm. 
Clypeus not much longer than wide, sparsely, rather strongly punctured, 
the apical incision not deep, semicircular, the teeth triangular. Front and 
vertex closely, strongly punctured (but not so strong as the thorax) excepé 
above the antenne. Ocelli in a curve, the middle one not much in front of 
the hinder. Thorax about one quarter longer than wide, its base bluntly 
rounded ; the sides not angled ; the scutellum move strongly punctured than 
the mesonotum, which is more closely punctured than the metanotum— 
Mesopleure more strongly punctured than the mesonotum ; the metapleure 
not quite so strongly and more sparsely puncturea, 2nd abdominal segment 
not much longer than it is wide at the apex, impunctate. 
Eumenes rotundicollis, sp. n. 
Black, shining, the head and thorax densely covered with silvery pile, the 
lower part of the metapleuree and metanotum densely with white hair, a trans- 
verse mark, broadly roundly incised in the middle above, the sides rounded, 
on the top of the clypeus, a transverse spot over the antenne .the inner part 
