720 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. ; 
under parts, including median portion of lower foreneck, white, im- 
maculate except outer portion of sides and flanks, where streaked 
with grayish brown; bill black; iris dark brown; legs and feet 
blackish? (said to be lighter colored than those of U. troille).* 
Adult male —Wing, 193-211 (201.7); tail, 48-50.5 (49.1); exposed 
culmen, 39-45.5 (43.2); tarsus, 37-38 (37.7) ; middle toe, 43-47 (45.6).! 
Adult female.—Wing, 202; tail, 47; exposed culmen (bill defec- 
tive); tarsus, 35; middle toe, 46.° 
Coasts and islands of northern Atlantic Ocean and eastward to 
Spitzbergen; southward to coast of eastern Maine in winter; breeding 
on islands in Gulf of St. Lawrence (Gannet Rock; Bird Rocks; 
Grosse Isle; Magdalen Islands) and northward, on European side 
southward to Outer Hebrides, Grimsay Island, etc., rarely to coast 
of France (Aiguilles d’ Etretat). 
[ Uria] ringvia Brtinnicu, Orn. Bor., 1764, 28 (Iceland). 
Uria ringvia Soutnz, Eur. Fauna, i, 1840, 359.—Gray, List Birds Brit. Mus., iii, 
Anseres, 1844, 157.—Dra@tanp, Orn. Eur., ii, 1849, 513.—Casstn, in Baird, 
Rep. Pacific R. R. Surv., ix, 1858, 914.—Barrp, Cat. N. Am. Birds, 1859, 
no. 730.—DrGLAND and GersBeE, Orn. Eur., ii, 1867, 600.—SamuEts, Nests 
and Eges N. Am. Birds, 1883, 570.—BarrD, BREWER, and Ripaway, Water 
Birds N. Am., ii, 1884, 481 (under JU. troile).—(??) Scuatow, Journ. fir 
Orn., 1891, 271 (Alaska).—SHarrz, Handb. Birds Great Brit., iv, 1897, 119, 
pl. 107. 
Uria (Lomvia) ringvia Brannt, Bull. Sci. Ac. St. Petersb., ii, 1837, 345. 
Catarractes ringvia BRYANT, Proc. Bost. Soc. N. H., viii, 1861, 139 (monogr.). 
Lomvia ringvia Covss, Proc. Ac. Nat. Sci. Phila., 1868, 77 (monogr.).—Goss, 
Trans. Kansas Ac. Sci., viii, 1883, 60 (Bird Rocks, Gulf of St. Lawrence, 
breeding; habits)—BrewsterR, Proc. Bost. Soc. N. H., xxii, 1883, 410 (Bird 
Rocks, breeding; crit.). 
Oria troile, var. ringvia Cottett, Forh. Vid. Selsk. Christiania, 1868, 192.—GRant, 
Cat. Birds Brit. Mus., xxvi, 1898, 575. 
U[ria] rhingvia KeysER.ine and Brasius, Wirb. Eur., 1840, pp. xciii, 238. 
Uria rhingvia Naumann, Vog. Deutschl., xii, 1844, 524, pl. 382.—Re1cHENBACH, 
Natatores, 1850, pl. 8, figs. 37, 38. 
( Uria] hringvia Reiwuarnt (J.), Journ. fiir Orn., 1854, 442 (Greenland). 
[ Uria] rhingvia Gray, Hand-list, iii, 1871, 101, no. 10821. 
Uria wringvia Frirscu, Nat. Vég. Eur., 1870, 495; Atlas, 1871, pl. 59, fig. 5. 
Uria rhyngvia GRONDAL, Ornis, iii, 1887, 597 (etymology). 
(?) Uria alga Brtnnicu, Orn. Bor., 1714, 28 (Denmark). 
U[ria] troile leucophtalmos Faper, Prodr. Orn., 1822, 42 (Iceland; color variety);. 
Isis, 1824, 146. 
Uria leucophthalmos Tuompson, Nat. Hist. Ireland, iii, 1851, 211.—KsazrB¢gLuine, 
Danm. Fugle, 1852, 408, pl. 52, fig. 5. 
U[ria] leucophthalmus Hétpout, Naturhist. Tidssk., iv, 1843, 454 (Greenland). 
@ I have not been able to examine specimens in winter plumage nor of the young. 
5 Five specimens, 
¢ One specimen. 
Four adults of unknown sex measure as follows: Wing, 188-204 (195.4); tail, 45.5-53 
(49.1); exposed culmen, 41-48.5 (44.1); tarsus, 34-37 (35.4); middle toe, 42-46 (44). 
