914 



U S. p. R. R. EXP. AND SURVEYS — ZOOLOGY — GENERAL REPORT. 



URIA RINGVIA, Brfinnich, 



Murie. 



Uria ringvia, Erlnn. Orn. Bor. 1764, 28. 



Uria laclirymans. La Pylaie. 



Oria Uucopthalmos, Faber, Isis, 1824, p. 140. 



Uria leucopsis, Erehm. 



? Uria alga, Brlnn. Orn. Bor. 1764, 28. 



UriaCroile, Bon. Syn. 1728, 424.— Ano. Orn. Biog. Ill, 1835, 142; pi. 218. 



Figures.— Gould, B. of Eur. IV, pi. 397.— Audubon, B. of Am. pi. 218.— Ib. oct. ed. VII, pi. 473.— Naumann, B. of 

 Germ. pi. 332. 



Sp. Ch. — About the size of or rather larger than the preceding. Bill rather long, pointed, compressed; from the lateral 

 feathers longer than the tarsus or than the inner toe and claw. Wings rather short ; tail very short. A narrow line of white 

 encircling and running backwards behind the eye and over the ear. Head and entire upper parts dark brown, with a tinge of 

 ashy. Under parts white; sides with transverse stripes of ashy brown; under wing coverts white; bill black; feet greenish 

 black. Winter plumage, with the throat and all other under parts, white. The white line behind the eye frequently wanting, 

 and different in length in specimens. 



Total length about 17 inches; wing, 7| to 8 inches; tail, 2 inches. 



Hab. — Northern America; Northern Europe and Asia. 



Easily distinguished by the line of white behind the eye, which is, however, not always 

 present in specimens, as stated above. This is one of the most common birds of the higher 

 northern latitudes on both sides of the continent. Specimens in the present collection are 

 from California, 



List of specimens. 



URIA ARRA, (Pallas.) 



Thick-billed GuiUemot. 



CepphuH arra, Pallas, Zoog. Rosso-Asiat. II, 1811,347. 



Uria brunnichii, Sabine, Trans. Linn. Soc. London, XII, p. 539.— Bon. Syn. 1828, 424.— Aud. Orn. Biog. Ill, 1835, 



336; pi. 345. 

 Uriafraiicsii, Leach, Trans. Linn. Soo. London, XII, p. 588. 

 Uria troile, BrOnnich, Orn. Bor. 1764, 103. (Not of Linnaeus.) 



Fir.uRES. — Audubon, B. of Am. pi. 345; oct. ed. VII, pi. 472. — Gould, B. of Eur. IV, pi. 398. — Naumann, B. of Germ 

 pi. 333. 



Sp. Cii. — Much resembling the preceding in form and colors, but with the l)ill shorter. About the size of U. ring-fin. Hill 

 moderate or rather short; curved at the tip, compressed; the distance from lateral feathers lo tip less than the tarsus, but 

 longer tlian inner toe and nail. Wing rather short; tail very ehort; tarsi strong. Head and entire upper parts brownish black; 

 under parts white; tips of socondarics white; sides, under the wings, with transverse stripes of ashy brown; bill black; legs and 

 feet greenish brown; no white stripe or circle about the eye. Winter and iinruaturo plumage, with the throat, (and other 

 under parts,) white. 



Total length about 17 inches; wing, 7| inches; tail, 2 inches. 



JIttb. — Northern .America; Northern Europe and Asia; coast of New Jersey, (Mus. Acad. I'hilad.) 



