Wings a little longer than the tail, which is deeply emarginate. Upper parts steel blue, with green reflections, lower white; feet flesh-coloured. Female similar to the male. _Male_, 5-1/4, 10. _Female._ From Texas northward. Columbia River, and all intermediate districts. Winters in Florida and Louisiana. Green-blue or White-bellied Swallow, Hirundo viridis, Wils. Amer. Ornith. v. iii. p. 44. Hirundo bicolor, Bonap. Syn. p. 65. White-bellied Swallow, Hirundo bicolor, Nutt. Man. v. i. p. 605. White-bellied Swallow, Hirundo bicolor, Aud. Orn. Biog. v. i. p. 491; v. v. p. 417. 47. 3. Hirundo fulva, Vieill. Cliff-Swallow,--Republican Swallow. Bill shorter than in the last species; wings of the same length as the tail, which is slightly emarginate. Upper part of head, back, and smaller wing-coverts black with bluish-green reflections; forehead white, generally tinged with red; loral space and a band on the lower part of the forehead black; chin, throat, and sides of the neck deep brownish-red; a patch of black on the fore-neck; rump light yellowish-red; lower parts greyish-white, anteriorly tinged with red. Female similar to the male. Young dark greyish-brown above, reddish-white beneath. _Male_, 5-1/2, 12. _Female_, 5-4/12, 12-3/4. From Kentucky northward. Abundant from New York to Nova Scotia. Columbia River. Rocky Mountains. Migratory. Fulvous or Cliff Swallow, Hirundo fulva, Bonap. Amer. Orn. v. i. p. 63. Hirundo fulva, Bonap. Syn. p. 64. Fulvous or Cliff Swallow, Hirundo fulva, Nutt. Man. v. i. p. 603. Republican or Cliff Swallow, Aud. Orn. Biog. v. i. p. 353; v. v. p. 415. 48. 4. Hirundo rustica, Linn. Chimney-Swallow.--Barn-Swallow. Plate CLXXIII. Male and Female. Tail very deeply forked, the lateral feathers much exceeding the wings. Forehead and throat bright chestnut; upper parts and a band on the fore-neck glossy deep steel-blue; quills and tail brownish-black glossed with green; the latter with a white spot on the inner web of each of the feathers, except the two middle. Female similar to the male. Young less deeply coloured, the forehead and throat pale red, the band on the fore-neck dusky tinged with red; lateral tail-feathers not exceeding the wings. _Male_, 7, 13. _Female_, 6-5/12, 12-9/12. Throughout North America, Europe, and Africa. Migratory. Barn Swallow, Hirundo Americana, Wils. Amer. Orn. v. v. p. 34. Hirundo Americana, American Barn Swallow, Swains. & Rich. F. Bor. Amer. v. ii. p. 329. Hirundo rufa, Bon. Syn. p. 64. Barn Swallow, Hirundo rufa, Nutt. Man. v. i. p. 601. Barn Swallow, Hirundo rustica, Aud. Orn. Biog. v. ii. p. 413; v. v. p. 411. 49. 5. Hirundo thalassina, Swains. Violet-green Swallow. Plate CCCLXXXV. Fig. 4. Male. Fig. 5. Female.