160 HYMENOPTERA. 
208. PoMPILUS MARGINATUS. 
Pompilus marginatus, Say, Nar. Exped. St. Peter’s River, Ap- 
pend. p. 67.2. 
Hab. North America (Missouri). 
209. PoMPILUS NEBULOSUS. B.M. 
Pompilus nebulosus, Dahlb. Hym. Europ. i. 48. 
Pompilus Philadelphicus, St. Farg. Hym. iii. 423. 9. 
Pompilus atroviolaceus, Harris, Cat. 
Hab. N. America; Philadelphia ; St. John’s Bluff; East Florida. 
(E. Doubleday.) 
210. PoMPILUS PETIOLATUS. B.M. 
Pompilus petiolatus, Say, Bost. Journ. 1.305. 9. 
Hab. North America. 
211. PomMpiILUS PALLIDICORNIS. B.M. 
Female. Length 8 lines.—Black : the antennze pale yellow, 
the scape and basal joint of the flagellum black; the posterior 
margin of the prothorax angular ; the metathorax rounded be- 
hind and transversely striated ; wings dark brown with a violet 
iridescence, having a large pale yellow irregularly-formed macula 
on the anterior pair near their apex, the macula the same width 
as the marginal cell from which it emanates ; legs thickly spinose, 
the posterior tibize serrated. Abdomen covered with a fine seri- 
ceous pile, which has a violet iridescence. 
Hab. St. John’s Bluff; East Florida. 
212. Pompiuus 5-NoTATUS. B.M. 
Pompilus 5-notatus, Say, Bost. Journ. i. 304. 5. 
Hab. N. America (Indiana); Hudson’s Bay; Nova Scotia. 
213. PomMPILUS SORDIDUS. B.M. 
Pompilus fuscipennis, St. Farg. Hym. iii. 434. 29, nee Say. 
Hab. North America; Philadelphia; East Florida. 
