mercatus Fabr. Systema riczalonim. p. 389. Carolina. 

 4-fasciatus Say, Western Quarterly Reporter, vol. 2, p. 82. Arkausu. 

 scutellaris Sa^/, Long's Second Ex])edition, 2, )>. .'?55. United States. 

 zonatus iSmith, British Museum Catalogue, Hym. 2, p. 257. Florida. 



C(ELIOXYS Latr. 

 abdominalis Gucr. Iconographie Regne Animal, 3, 4.53. LaSnf/rrr, i. 10, f. 11. Cuba. 

 alternata Say, Boston Journal of Natural History, vol. 1, p. 401 . Indiana. 

 dubitata Smith, British Museum Catalogue, Ilyra. 2, p. 272. Florida. 

 funeraria Smith, ibid. 272. Canada. 



modesta Smith, ibid. 271. United States. 



8-dentata Say, Long's Second Expedition, 2, p. 353. United States. 

 rufipes Gucr. Iconographie due Regne Animal, 3, p. 452, pi. 73, fig. 9. Cuba, 

 rufitarsus Smith, British Museum Catalogue, Hym. 2, p. 271. United States. 



STELIS Panz. 



foederalis Smith, British Museum Catalogue, Hym. 2, j). 275. United States. 

 obesa Say, Boston Journal of Natural History, vol. 1, p. 398. Indiana. 



MESOCHEIRA St. Farg. 

 azurea St. Farg. Encyclopedic Methodique, 10. p. IOC. Gaudaloupe. 



MELECTA Latr. 

 remigata Fabr. Systema Piezatorum, p. 387. Carolina. 



CHRYSANTHEDA Perty. 

 nitida Perty. Smith, Trans. Ent. Soc. London, 3rd ser. 1, p. 41. Panama. 



ETJCERA Fabr. 

 maculata St. Farg. Ilymenopteres, 2, p. 129. North America. 



MACROCERA Latr. 

 Americana *S7. Farg. Hymenopteres, 2, p. 92. Carolina, 

 bimaculata St. Farg. Encyclopedie Methodique, 10, p. 528. I'hiladelphia. 

 binotata Say, Boston Journal of Natural History, 1, p. 404. Indiana. 

 Cajennensis St. Farg, Hymenopteres, 2, 94. Smith, Brit. Mus. Cat. 2. West Indies. 

 Lanierii Guer. Iconographie due Regne Animal, 3, p. 455, pi. 74, fig. 7. Cnba. 

 nigra St. Farg. Hymenopteres, 2, p. 112. Pennsylvania, 

 obliqua Say, Boston Journal of Natural History, vol. 1, p. 403. Indiana. 

 Pensylvanica St. Farg. Hymenopteres, 2, ji. 97. Pennsylvania. 

 PMladelphica <S7. J^rtr^r. ib. 110. iU. 



pruinosa Say, Boston Journal of Natural History, vol. 1. p. 405. United States. 

 rustica Say, ibid. 406. Indiana. 



TETRALONIA Spin. 



atrifrons Smith. British Museum Catalogue, Hym. 2, p. 308. North Carolina, 

 fulviventris (S'wiYA, ibid. 308. Mexico? 



