9 
48. White-breasted, or Frigate-Petrel. 
Pelagodroma marina (Lath.) 
Twice, cf. Saunders, j). 735. 
FAMILY ALCID.dE. 
49. Common Puffin, or Sea-Parrot. 
Fratercula arctica (Linn.) 
SX3 
3 '-I 
50. Common Guillemot, Marrot, or Murre. 
Uria troile (Linn.) 
Bridled Guillemot. 
Uria troile, var. ringvia, Briinn. 
51. Brunnich's Guillemot. 
Uria lomvia (Pall.) 
52. Black Guillemot, or Tystie. 
Uria grylle (Linn.) 
.S o 
.ti a 
'7. o 
53. Little Auk, or Rotche. 
Alle alle (Linn.) 
54. Razor-bill. 
Alca torda. Linn. 
55. Great Auk, or Gare-fowl. 
Plautus impennis (Linn.) 
Extinct, cf. Saunders, p. 697. 
— o 
c 
FAMILY STERCORARIIDM, 
56. Great Skua, or Bonxie. 
Megalestris catarrhactes (Linn.) 
1 
