636 PYGOPODES. 



URIA. 

 Uria, Brisson, Orn. vi. p. 70 (1760). 



3097. Uria troile. 



Colymbus troile, Linn. Syst. Nat. i. p. 220. 



Alca troile, Dresser, B. Eur. viii. p. 567, pi. 621. 



a, b, c Yorkshire (Arthur Strickland) 1830. d York- 

 shire, March (H. E. Strickland} 1833. e Tenby, August (H. E. 

 Strickland) 1835. 



3098. Uria bruennichi. 



Uria brilnnichi, Sabine, Trans. L. S. xii. p. 538. 

 Alca bruennichi, Dresser, B. Eur. viii. p. 575, pi. 622. 

 a (Thomas) 1842. 

 A species of the Arctic Oceans. 



Cepphus, Pallas, Spic. Zool. v. p. 33 (1769). 

 3099. Cepphus grylle. 



Colymbus grylle, Linn. Syst. Nat. i. p. 220. 



Uria grylle, Dresser, B. Eur. viii. p. 581, pi. 623. 



a Yorkshire (Arthur Strickland) 1833. b $ Orkney, 

 August (H. E. Strickland) 1837. c I. of Skye, 19 August 

 (H. E. Strickland) 1837. 



MERGULUS. 



Mergulus, Vieillot, Anal. p. 67 (1816). 

 3100. Mergulus alle. 



Alca alle, Linn. Syst. Nat. i. p. 211. 



Mergulus alle, Dresser, B. Eur. viii. p. 591, pi. 624. 



Mergulus melanoleucos, Leach, Syst. Cat. Mamm. & Birds 

 Brit. Mus. p. 42. 



a (Arthur Strickland) 1833. 



A species of the North- Atlantic Ocean. 



