[November 
21M) 
hairy towards the apex, shining, black; extreme sides of the first seg¬ 
ment tinged with piceons ; on each side of the second segment at base 
a large subangular yellow spot; on each side of the third segment an 
oblong yellow spot or line; on the fourth segment four yellow spots, 
the extreme lateral ones minute and indistinct; on the middle of the 
fifth segment a yellow line, slightly attenuated in the middle; on the 
sixth segment an oblong yellow spot; apical segment black, bifid at 
tip ; beneath blackish-piceous, with a small more or less distinct yellow 
spot on each side of the second, third and fourth segments, the fifth 
segment stained with ferruginous and the apical segment entirely yel¬ 
lowish-ferruginous. Length lines. 
7/a/j. Massachusetts. One specimen. Coll, of Mr. Edward Norton. 
A very slender and gracefully formed species, having the scutellum 
only slightly prominent and with no appearance of being bilobed. 
14. N. punctata Fabr. 
Nomada punctata Fabr. Ent. Syst. ii, p. 346. 
“ Half the size of N. scutellaris. Antennee ferruginous, base black. 
Head black, labium silvery, rather shining. Thorax black, with a 
small tuberculous spot before the wing. Scutellum with a porrect, 
acute spine and a small white tubercle on each side at the base of the 
spine. Abdomen smooth, black, with a white transverse spot on each 
segment, on the posterior segment with the spots connate and forming 
a band. Legs rufous, femora black. 
•• Hah. Canada.” 
Unknown to me. 
15. N. imbricata Smith. 
Nomada imbricata Smith, Brit. Mus. Cat. Hym. ii, p. 246, 9 • 
“ Female. Length 4 2 -—5 lines.—Head ferruginous, a black spot 
above the insertion of each antenna, also a minute black dot on each 
side of the clypeus, above which there is sometimes a yellow spot ; 
thorax ferruginous, the collar, tubercles, two spots on the scutellum, 
an oblique line on each side of the metathorax yellow : a line down 
the centre of the metathorax and another oblique one on the sides of 
the thorax behind the wings black, the legs ferruginous; wings slightly 
fuscous. Abdomen ferruginous, a yellow line or spot on each side of 
the basal segment, and a broad band of the same color on the basal 
