200 Mr. T. D. A. Cockerell on 
the latter oblong ; a large purplish-brown patch on the costa 
near the base, its outer margin continued in a brown sinuous 
line to the hinder margin; a smaller spot at the middle, its 
inner edge connected with a transversal sinuous line which 
touches the inner side or the reniform; a small spot on costa 
beyond the middle, continued into a discal sinuous transverse 
line which skirts the outer edge of a large spot in the disk ; 
this is followed by a similar line and a submarginal line; 
the marginal space inside these two last-mentioned lines 
black, with a green space running through the lower half; 
marginal lunules green: hind wings purple-brown, paling 
towards the base, with some green submarginal spots and 
indications of a central band ; cilia of both wings brown, with 
green spots on fore wings and whitish spots on hind wings: 
abdomen brown, with green dorsal scales. Underside brown ; 
fore wings with some whitish marks on the costa; the space 
below the median vein whitish and indications of two discal 
bands on both wings, and a lunular mark at the end of the 
cell of hind wings; abdomen and legs ochreous grey; tarsi 
brown, spotted with white; fore legs covered with bright 
green hairs. 
Expanse of wings 1,% inch. 
Jaintia Hills, Assam. 
Nearest to virens, Butler. 
XI1.—New American Hymenoptera, mostly of the Genus 
Nomada. By T. D. A. CocKERELL. 
Ichneumonide. 
FPortzon Viereckt, sp. n. 
¢ .—Length about 9 millim.; wings about 53 millim. 
Head black, with the orbital margins broadly, the man- 
dibles except tips, and a small triangle on each antero-lateral 
margin of clypeus yellowish white ; eyes purplish; black 
area above clypeus strongly punctured, with a central rounded 
eminence; scape swollen, pale, tinged with ferruginous; 
flagellum long, very dark brown; antenne 41-jointed ; 
thorax black, closely punctured ; mesothorax shining, with 
subdorsal longitudinal depressions; tegule white; meta- 
thorax areolate with raised lines. Wings strongly milky, 
iridescent, nervures white; stigma triangular, very dark 
