84 



CHECK-LIST OF NORTH AMERICAN BIRDS. 



33. Plautns impennis (Linn.). 



Great Auk. 



Aka impenr.is Linn. S. N. ed. lo, I. 1758, 130. 



Plautus impennis Steenstr. V'id. Med. Nat. For. Kj^b. 1855, k/4. 



[B 710, C 615, R 741, C878.] 



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 ALLIN.<Sj. Dovekies. 



Genus ALLE Link. 



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

 Aka alk Linn. 



34. Alle alle (Linn.). 

 Dovekie. 



Aka alle Linn. S. N. ed. 10, I. 1758, 131. 



Alle alle Stejneger, 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 STEROORARIIDiS. Skuas and JafcxEr-. 



Genus MXiGALESTRIS ?..^aparte. 



Megalestris BowAP. Cat. Parzudaki, 1856, 11. Type, Catharacta skua 

 Brunn. 



