974 REVIEW OF AMERICAN BIRDS. [PART T. 
Smallest of the group (length, 6.00; wing, 54). 
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 A 3 ; ; : c : . 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 : . ; ; : . 5 . leucogaster. 
A blue-black patch each side the breast? Adult 
male about 8.00 long. Wing about 5.50 . domestica. 
- Progme subis. 
Hirundo subis, Linn. S. N. 10th ed. 1758, 192 (Hirundo cerulea cana- 
densis, Epwarps, Av. tab. 120, Hudson’s Bay). 
H. purpurea, Linn. 8. N. 12th ed. 1766, 344 (1. purpurea, CaTEssy, 
Car. tab. 51).—Aup. Orn. Biog. I, pl. xxiii.—Is. B. A. I, pl. xlv. 
—Max. Cab. Jour. 1858, 101.—Yarreut, Br. Birds, I, 232*, 274 
(England and Ireland, Sept. 1842).—Jones, Nat. Bermuda, 34 
(Sept. 22, 1849).—Progne purpurea, Bor, Isis, 1826, 971.—BREwER, 
N. Am. Ool. I, 1857, 103, pl. iv, fig. 47 (eggs).—Bairp, Birds N. 
Am. 1858, 314.—Scnater, Catal. 1861, 38.—Coorrer & Sucktey, P. 
R. R. Rep. XI, 2, 186 (Fort Steilacoom).—Buaxiston, Ibis, 1863, 
65 (Saskatchewan). 
Hirundo violacea, Gu. I, 1026. 
H. cerulea, Viritu. Ois. Am. Sept. I, 1807, 57, pl. xxvi. 
H. versicolor, Viziuu. Nouv. Dict. XIV, 1817, 509 (U. 8.). 
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, 4.) 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. Tibie 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 
a ae Se 
