vi CONTENTS. 



Plate Page 



Family ALCID-ffi 362 



Genus FEATERCULA 362 



Fratercula arctica. Puffin 45. 364 



Genus ALCA 370 



Alca impennis. Great Auk 40, 41, 371 



torda. Razorbill 42. 375 



(die. Little Auk 45. 380 



</ri/Ue. Black Guillemot 45. 383 



troile. Common Guillemot "1 a'^aa 



hrunnicM. Brunuich's Guillemot / ' ' 



388 



Family COLYMBID^ 40o 



Genus COLYMBUS 401 



Colymbus glacialis. Great Northern Diver 35. 402 



adamsi. White-billed Diver 405 



arcticus. Black-throated Diver 35. 407 



seiitentrioncdis. Red-throated Diver 35. 412 



Family PROCELLARIID.^ 415 



Genus PUFFINUS 416 



Piiffinus major. Great Shearvi^ater 56. 417 



anglornm. Manx Shearwater 56. 420 



ohscurus. Dusky Shearwater 56. 425 



grisevs. Sooty Shearwater 427 



Genus FULMARUS 429 



Fidmarns (/Jacialis. Fulmar Petrel 56. 430 



Genus PROCELLARIA 437 



Procellaria pelagica. Stormy Petrel 56. 438 



leachi. Leach's Fork-tailed Petrel 56. 443 



Genus OCEANITES 443 



Oceanites wilsoni. Wilson's Petrel 449 



FamHy PODICIPEDID^ 



Genus PODICEPS 



Podiceps cristatus. Great Crested Grebe 39. 455 



rubricoUi.^. Red-necked Grebe 39. 459 



452 

 453 



