274 REVIEW OF AMERICAN BIRDS. [PART I. 



Smallest of tlie group (length, 6.00 ; wing, 5|). 



Tail less forked than in subis . . . concolor. 



Females and immature males beneath of a uniform brown 



or grayish-brown, the edges of the feathers paler . elegans. 

 Adult males glossy blue-black, except belly and crissum, which 

 are snow-white. 



Females and immature males with the black of under 

 parts replaced by brown. Shafts of the white feathers 

 white ......... dominicensis. 



Adult males glossy blue-black above ; dull brown or grayish- 

 brown beneath (?) ; belly and crissum white. 



Females and immature males with the shafts of longer 



crissal, and, to some extent, of ventral feathers dusky. 



No blue-black patch on each side the breast ? Adult 



male about 6.50 inches long. Wing about 



5.00 . . . . . . . . leucogaster. 



A blue-black patch each side the breast ? Adult 



male about S.OO long. Wing about 5.50 . domestica. 



Progne sul>is. 



Ilirundo subis, Ltnn. S. N. lOth ed. 1758, 192 (Illrundo ccerulea cana- 

 densis, Edwards, Av. tab. 120, Hudson's Bay). 



H. purpurea, Linn. S. N. 12th ed. 1766, 344 (//. purpurea, Catesby, 

 Car. tab. 51). — Apd. Orn. Biog. I, pi. xxiii. — Ib. B. A. I, pi. xlv. 

 —Max. Cab. Jour. 1858, 101.— Yarrell, Br. Birds, II, 232*, 274 

 (England and Ireland, Sept. 1842). — Jones, Nat. Bermuda, 34 

 (Sept. 22, 1849). — Progne purpurea, Boie, Isis, 1826, 971. — Brewer, 

 N. Am. Ooi. I, 1857, 103, pi. iv, fig. 47 (eggs).— Baird, Birds N. 

 Am. 1858, 314.— Sclatek, Catal. 1861, 38.— Cooper & Suckley, P. 

 R. R. Rep. XII, 2, 186 (Fort Steilacoom).— Blakiston, Ibis, 1863, 

 65 (Saskatchewan). 



Hirundo violacea, Gm. I, 1026. 



II. carulea, Vieill. Ois. Am. Sept. I, 1807, 57, pi. xxvi. 



H. versicolor, Vieill. Nouv. Diet. XIV, 1817, 509 (U. S.). 



H. ludoviciana, Cuv. R. A. I, 1817, 374. 



Hab. The whole United States and the Provinces ; Saskatchewan ; Cape 

 St. Lucas and northern Mexico (winter). Accidental in England. 



(No. 1,561, %.) Entirely lustrous steel blue, with a purplish gloss; the 

 tail feathers and the wings except the lesser and middle coverts, and edge 

 inside, dull black, scarcely glossed. Tibire dark brownish. A concealed 

 patch of white on the sides under the wings. Concealed central portion of 

 anal feathers light whitish-gray. 



(No. 1,129, 9.) Above somewhat similar, but much duller. Beneath 

 smoky brownish-gray, without lustre ; paler behind, and becoming sometimes 

 quite whitish on belly and crissum, but all the feathers always with dusky 

 shafts, and more or less clouded with gray centrally, even though fading into 



