32 CHECK-LIST OF NORTH AMERICAN BIRDS. 



a. Una lomvia lomvia (LINNAEUS). Briinnich's Murre. [31.] 



Alca lomvia LINN^US, Syst. Nat., ed. 10, I, 1758, 130. (Northern 

 Europe; based on Clusius, etc.) 



RANGE. Coasts and islands of the North Atlantic. Breeds from southern 

 Ellesmere Land and northern Greenland to northern Hudson Bay and Gulf 

 of St. Lawrence; resident in Greenland and Hudson Bay; south casually in 

 winter on Atlantic coast from Maine to South Carolina, and in interior to 

 northern Ohio, central Indiana, and central Iowa. 



b. Uria lomvia irra (PALLAS). Pallas's Murre. [31a.] 



Cepphus arra PALLAS, Zoogr. Rosso-Asiatica, II, 1826 (1811?), 347. 

 (Kamchatka.) 



RANGE. 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 ALGA LINNAEUS. 



Alca LINN^US, Syst. Nat., ed. 10, I, 1758, 130. Type, by subs, desig., 

 Alca torda LINNAEUS (Newton, 1876). 



Alca torda LINNAEUS. Razor-billed Auk. [32.] 



Alca torda LINN^US, Syst. Nat., ed. 10, 1, 1758, 130. (Southern Sweden.) 



RANGE. 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 BRUNNICH. 



Plautus BRUNNICH, Zool. Fund., 1771, 78. Type, by monotypy, "Brille- 

 fuglen" = Alca impennis LINNAEUS. 



Plautus impennis (LiNN^us). Great Auk. [33.] 



Alca impennis LINNAEUS, 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. 



