ORDER LONGIPENNES. 13 
33. Plautus impennis (Linv.). 
Great Auk. 
Ala impennis Linn. S. N. ed. 10, I. 1758, 130. 
Plautus impennis STEENSTR. Vid. Med. Nat. For. Kjgb. 1855, 
II4. 
[B 710, C 615, R 741, C 878.] 
Geroc. Dist.— Formerly the coasts and islands of the North 
Atlantic, from Massachusetts and Ireland northward nearly to the 
Arctic Circle. Now extinct. 
SUBFAMILY ALLINZG. Dovekies. 
Genus ALLE Linx. 
Alle Linx, Beschr. Nat. Samml. Univ. Rostock, I. 1806, 17. 
Type, dia alle Linn. 
34. Alle alle (Liny.). 
Dovekie. 
Alca alle Linn. S. N. ed. to, I. 1758, 131. 
Alle alle STEJNEGER, Stand. Nat. Hist. IV, 1885, 69. 
[B 748; C 626, R 752, C 863.] 
Geoc. Dist.— 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. Accidental in Michigan. 
OrDER LONGIPENNES. LONG—WINGED 
SWIMMERS. 
Famity STERCORARIIDZ. Sxkuas anv JAEGERS. 
Genus MEGALESTRIS Bonaparrve. 
Megalestris Bonar. Cat. Parzudaki, 1856, 11. Type, Catharacta 
skua BRUNN. 
