By CHECK-LIST OF NORTH AMERICAN BIRDS. 
a. Uria lomvia lomvia (Linnm=us). Briinnich’s Murre. [31.] 
Alca lomvia Linnzxus, Syst. Nat., ed. 10, I, 1758, 130. (Northern 
Europe; based on Clusius, ete.) 
RancGe.— Coasts and islands of the North Atlantic. Breeds from southern 
Ellesmere Land and northern Greenland to nerthern Hudson Bay and Gulf 
of St. Lawrence; resident in Greenland and Hudson Bay; south casually in 
winter on Atlantie coast from Maine to South Carolina, and in interior to 
northern Ohio, central Indiana, and central Iowa. 
b. Uria lomvia arra (Patuas). Pallas’s Murre. [81a.] 
Cepphus arra Pauuas, Zoogr. Rosso-Asiatica, II, 1826 (18117), 347. 
(Kamchatka.) 
RancGeE.— Coasts and islands of the North Pacific, Bering Sea, and western 
Arctic Ocean. Breeds from Herald Island, northern Siberia, northwestern 
Alaska, and Point Barrow south to Kadiak, Aleutian, and Commander islands. 
- Genus ALCA Linnzus. 
Alca Linnxxus, Syst. Nat., ed. 10, I, 1758, 130. Type, by subs. desig., 
Alca torda LinNnxus (Newton, 1876). 
Alca térda Linnxus. Razor-billed Auk. [32.] 
Alca torda Linnxus, Syst. Nat., ed. 10, I, 1758, 130. (Southern Sweden.) 
RancE.— Coasts and islands of the North Atlantic. Breeds on 
American side from southern Greenland to Newfoundland and New 
Brunswick; winters from New Brunswick and Ontario to Long Island 
and casually to North Carolina. 
GENUS PLAUTUS BrtnnicH. 
Plautus Briwnicu, Zool. Fund., 1771, 78. Type, by monotypy, “ Brille- 
fuglen’’ = Alca impennis Linn=us. 
Platitus impénnis (LinNmus). Great Auk. [33.] 
Alca impennis Linnxus, Syst. Nat., ed. 10, I, 1758, 130. (Norwegian 
Seas.) 
RanGe.— Formerly coasts and islands of the North Atlantic, from 
near the Arctic Circle south to Massachusetts and Ireland, and proba- 
bly south casually to South Carolina and Florida; now extinct. 
