718 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
grayish white on throat, chin, and malar region; bill black; iris 
brown; legs and feet brownish or dusky (more or less livid in life). 
Young.—Not.essentially if at all different in coloration from adults, 
Adult male-—Length (skins), 116-132 (124); wing, 126-133 
(129.2); tail, 39.5-44 (42.3); exposed culmen, 5-6 (5.7); tarsus, 
11.5-12.5 (12); middle toe, 8-9 (8.3).¢ 
Adult female.—Length (skins), 112-134 (117); wing, 122.5-133.5 
(129.7); tail, 40-45.5 (42); exposed culmen, 5.5-6 (5.6); tarsus, 
11-12.5 (11.7); middle toe, 8-8.5 (8.2).° 
Eastern North America; north to New Brunswick (Fort Fairfield; 
Grand Falls), Nova Scotia (Cape Breton Island), Province of Quebec 
(Point de Monts), southern Labrador,’ northern Ontario (Lake Mus- 
koka), Manitoba (Winnipeg), and Alberta (Edmonton)—accidentally 
to southern Greenland (Sukkertoppen)—west to western border of 
Great Plains (Miles City, Montana, Black Hills, South Dakota) and 
(accidentally ?) New Mexico (Rinconada, March 1); breeding south- 
ward to southern Florida (Tarpon Springs) and thence westward along 
Gulf coast to southeastern Texas; during migration southward to 
Vera Cruz (Jalapa) and Yucatan (Cozumél Island)—also to Guate- 
mala?;? occasional straggler to the Bermudas. 
[Hirundo] pelagica Linnaxus, Syst. Nat., ed. 10, i, 1758, 192 (based on Hirundo, 
cauda aculeata, americana Catesby, Nat. Hist. Carolina, iii, 8, pl. 8). 
Chetura pelagica BairpD, BREWER, and Ripeway, Hist. N. Am. Birds, ii, 1874, 
432, pl. 45, fig. 7—Covzrs, Birds Northwest, 1874, 267 (Bijou Hills, South 
Dakota); Bull. U. 8. Geog. and Geol. Surv. Terr., iv, 1878, 614 (Pembina and 
Souris R., North Dakota).—ReEm, Bull. U. 8. Nat. Mus., no. 25, 1884, 209 
(Bermuda, straggler).—Ripeway, Proc. U. S. Nat. Mus., iii, 1880, 188; Orn. 
Illinois, i, 1889, 364.—Horrman, Proc. Bost. Soc. N. H., 1882, 401 (Fort Ber- 
thold, North Dakota, breeding)—Srton, Auk, iii, 1886, 156 (w. Manitoba, 
summer res.).— AMERICAN ORNITHOLOGISTS’ Union, Check List, 1886, no. 
423; 3d ed., 1910, 200.—Scorr, Auk, vi, 1889, 252 (Tarpon Springs, Florida, 
breeding).—Sanvin, Ibis, 1889, 367 (Cozumél I., Yucatan; crit.).—Tuomp- 
son, Proc. U. 8. Nat. Mus., xiii, 1890, 556 (Winnipeg, etc., Manitoba).— 
Harrtert, Cat. Birds Brit. Mus., xvi, 1892, 480 (Jalapa, Vera Cruz; Cozumél 
L., etc.).—Satvin and Gopman, Biol. Centr.-Am., Aves, ii, 1894, 374 (Jalapa; 
Cozumél; Guatemala?).—Brnpire, Life Hist. N. Am. Birds, ii, 1895, 177, pl. 
1, fig. 25 (egg).—Bryer, Proc. Louisiana Soc. N. H. for 1897-99 (1900), 103 
(Louisiana, breeding).—Baitry (Florence M.), Handb. Birds W. U.'8., 1902, 
230.—Wittiams, Auk, xxi, 1904, 456°(Leon Co., Florida; summer res.).— 
TownsEenpD (C. W.), Auk, xxiii, 1906, 174 (Cape Breton I., Nova Scotia; 
descr. nest, etc.).—Swatzs and TaVERNER, Wilson Bull., no. 55, 1906, 65 
(Lake Muskoka, n. Ontario, common).—Hunt, Wilson Bull., no. 58, 1907, 
18 (Lake Sebago, Maine).—Presie, North Am. Fauna, no. 27, 1908, 390 
(Edmonton, Alberta, May 17).—VisuEr, Auk, xxvi, 1909, 148 (Black Hills, 
w. South Dakota). 
a Ten specimens. 
+ Hight specimens. 
¢ Perhaps doubtful. 
@See Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1894, 375. 
