84 CHECK-LIST OF NORTH AMERICAN BIRDS. 



33. Plautus impennis (LINN.). 



Great Auk. 



Alca itnpennis LINN. S. N. ed. 10, I. 1758, 130. 



Plautus impennis STEENSTR. Vid. Med. Nat. For. Kj^b. 1855, 114. 



[B 710, C 615, R 741, C 878.] 



HAB. Formerly the coasts and islands of the North Atlantic, from 

 Massachusetts and Ireland northward nearly to the Arctic Circle. 

 Believed to be now extinct. 



SUBFAMILY ALLINJE. DOVEKIES. 



GENUS ALLE LINK. 



Alle LINK, Beschr. Nat. Samml. Univ. Rostock, I. 1806, 17. Type, 

 Alca alle LINN. 



34. Alle alle (LINN.). 



Dovekie. 



Alca alle LINN. S. N. ed. 10, I. 1758, 131. 



Alle alle STEJXEGER, Stand. Nat. Hist. IV. 1885, 69. 



[B 738, C 626, R 752, C 863.] 



HAB. Coasts and islands of the North Atlantic and Eastern Arctic 

 Oceans ; in North America south in winter to New Jersey ; breeds in 

 high northern latitudes. 



ORDER LONGIPENNES. LONG-WINGED 



SWIMMERS. 



FAMILY STERCORARIID-^J. SKUAS AND JAEGERS. 



GENUS MEGALESTRIS BONAPARTE. 



Megalestris BONAP. Cat. Parzudaki, 1856, n. Type, Catharacta skua 

 BRUNN. 



