80 E. T. CRESSON. 



narrow apical margin of third and fourth segments dull testaceous; venter 

 lemon-yellow. Length ,40 inch. 



Hah. — California, (H. Edwards). One specimen. Closely resembles 

 Edwardsii, but the second joint of the flagellum is shorter than 

 the third. 



Noniada miinda. — 9- — Black, opaque; head and thorax ^strongly and 

 confluently, face finely, punctured, clothed with pale ochraceous pubescence; 

 sides of face, anterior and posterior orbits, clypeus, labrura, mandibles except 

 tips, antennse, collar, lateral margin of mesothorax, scutellums, tubercles, large 

 mark on pleura, tegulse and legs, ferruginous; second joint of flagellum a little 

 shorter than third; scutellum subbilobate, not very prominent; wings fuscous, 

 pale at base and before apex, costal vein and stigma fulvous; posterior femora 

 and tibiae black behind; abdomen smooth and shining, first segment entirely 

 ferruginous except a black dot on each side near base; segments 2 — 5 white, 

 the second narrowly fulvous at apex, the third and fourth narrowly black at 

 apex, and the fourth and fifth narrowly black at base; venter ferruginous, 

 immaculate. Length .45 inch. 



Hah. — Colorado, (Ridings). One specimen. 



Nomada dilncida. — 9- — Ferruginous, head and thorax strongly and 

 confluently punctured, spot on each side of the face, large spot behind eyes, 

 collar, lateral anterior corners of mesothorax, band at base of scutellum, 

 tubercles and two large marks on metathorax, yellow; spot between antennjB, 

 dot on each side of clypeus, posterior margin of head, sides of prothorax, 

 sutures of thorax, sides of metathorax and stripe on middle, black; second 

 joint of flagellum a little shorter than third; scutellum depressed, slightly 

 impressed medially; tegulse smooth and shining; wings subhyaline, fuscous 

 on apical margin; anterior tibise in front and spot at base and tip of posterior 

 tibise yellowish; posterior femora black behind ; abdomen smooth and shining, 

 yellow above, basal half of first and apical m,argin of segments 1 — 4, fuscous ; 

 venter ferruginous, banded with yellow. Length .45 inch. 

 Huh. — Colorado, (Morrison). One specimen. 



Bfoiuada libata. — 9- — Ferruginous, opaque; head and thorax very 

 densely and confluently punctured; tips of mandibles, dot on each side of 

 clypeus, spot behind each antenna, confluent with a spot enclosing the ocelli, 

 a stripe on middle of mesothorax dilated anteriorly and posteriorly and inter- 

 rupted before middle, broad stripe on middle of metathorax, dot on sides of 

 prothorax and spot above middle coxbb, black; apex of flagellum fuscous, 

 second joint slightly shorter than third ; scutellum subbilobate; tegulse opaque 

 and coarsely punctured; wings faintly tinged with fuscous, apical margin 

 fuscous; abdomen opaque, minutely punctured, a large rouiid spot on sides of 

 second segment, a band on third and fourth and the fifth segment entirely, 

 pale yellow; venter ferruginous, immaculate. Length .45 inch, 



%. — Head yellow; a dot on each side of clypeus, tips of mandibles, vertex 

 and occiput, black; antennae ferruginous, more or less black or fuscous behind 

 and at tip, third joint much shorter than fourth; thorax ferruginous; meso- 

 thorax black with broad lateral margin and narrow stripe on each side of 

 middle ferruginous, sometimes ferruginous with a broad median black stripe 

 dilated posteriorly; scutellum more strongly bilobed than in J; postscutellura 



