LIST OF PLATES. 
Podiceps cristatus . 
rubricollis 
auritus 
nigricollis . 
minor 
Colymbus glacialis . 
arcticus . 
septentrionalis 
Alca impennis . 
torda 
Uria troile 
grylle 
Mergulus alle . 
Fratercula arctica , 
Phalacrocorax carbo 
graculus . 
Sula bassana . 
Larus marinus 
fuscus . 
glaucus . 
islandicus 
argentatus 
— canus . 
Rissa tridactyla 
Pagophila ebumea . 
Rhodostethia Rossii 
Chroicocephalus ridibundus 
Philadelphia 
Hydi’ocoloeus rainutus 
Xema Sabini . 
« 
Hydroprogne caspia 
Actochelidon cantiaca 
Sterna hirundo 
paradisea 
macrura 
Sternula minuta 
Gelochelidon anglica 
Hydrochelidon nigra 
— leucoptera 
leucopareia 
Stercorarius catarrhactes 
pomatorhinus 
parasiticus . 
— longicaudus . 
Procellaria glacialis 
Puffinus major 
anglorum . 
Thalassidroma Leachii 
pelagica . 
Great Crested Grebe 
Red-necked Grebe . 
Horned Grebe 
Eared Grebe . 
Little Grebe, or Dabchick 
Great Northern Diver 
Black-throated Diver 
Red-throated Diver 
Great Auk 
Razorbill 
Common Guillemot . 
Black Guillemot 
Little Auk 
Puffin .... 
Cormorant 
Crested Cormorant, or Shag 
Gannet, or Solan Goose . 
Great Black-backed Gull 
Lesser Black-backed Gull 
Glaucous Gull 
Iceland Gull . 
Herring-Gull . 
Common Gull . 
Kittiwake 
Ivory Gull 
Ross’s Gull 
Black -headed Gull . 
Bonaparte’s Gull 
Little Gull 
Sabine’s Gull . 
Caspian Tern . 
Sandwich Tern 
Common Tern 
Roseate Tern . 
Arctic Tern 
Little Tern 
Gull-billed Tern 
Black Tern 
White-winged Tern 
Whiskered Tern 
Great Skua 
Pomatorhine Skua . 
Arctic Skua 
Long-tailed Skua . 
Fulmar .... 
Great Shearwater . 
Manx Shearwater . 
Forked-tailed Storm-Petrel 
Storm-Petrel. 
