Vlll 



at t>i i- Issued 



No. Plates. . t> , 



in Part 



593. Xema sabinii 31 



594. Rhodostethia rosea 57, 58 



595. Pagophila eburnea 57, 58 



596. Lams ridibundus (winter and 



young) 75, 76 



597. Fig. 1, Larus ridibundus ; fig. 2, 



L. melanocephalus .... 75, 76 



598. Larus ichthyaetus 18 



599. Larus minutus 4 



600. Larus canus 17 



601. Fig. 1, Larus audouini ; fig. 2, 



L. gelastes 71, 72 



602. Fig. 1, Larus argentatus; fig. 2, 



L. leucophseus 22 



603. Larus fuscus 16 



604. Larus marinus 15 



605. Larus glaucus 59, 60 



606. Larus leucopterus 49 



607. Rissa tridactyla juv. et pull. . . 73, 74 



608. Rissa tridactyla ad 71, 72 



609. Stercorarius catarrhactes . . . 41, 42 



610. Stercorarius pomatorhinus . . . 57, 58 



611. Stercorarius crepidatus (dark va- 



riety and young) 55, 56 



612. Fig. 1, Stercorarius parasiticus; 



fig. 2, S. crepidatus .... 51, 52 



613. Fig. 1, Thalassidroma pelagica; 



fig. 2, T. leucorrhoa .... 27 



No. Plates. } B ™ e * 



in Part 



614. Fig. 1, Oceanites oceanicus ; fig. 2, 



Bulweria columbina . . . . 67, 68 



615. Fig. 1, Puffinus anglorum; fig. 2, 



P. kuhli 57, 58 



616. Fig. 1, Puffinus griseus; fig. 2, 



P. major . . . . . . . . 61, 62 



617. Fulmarus glacialis (Procellaria 



glacialis on Plate) 69, 70 



618. CEstrelata hsesitata 77-79 



619. Alca torda 63, 64 



620. Alca impennis 77-79 



621. Alca troile . . . . '. . . .61,62 



622. Alca bruennichi (Alca arra on 



Plate) 59, 60 



623. Uria grylle . . . . . . . . 61, 62 



624. Mergulus alle 59, 60 



625. Fratercula arctica (Fratercula 



glacialis on Plate) 61, 62 



626. Colymbus glacialis ..... 77-79 



627. Colymbus arcticus 55, 56 



628. Colymbus septentrionalis ... 54 



629. Podiceps cristatus 73, 74 



630. Podiceps griseigena 71, 72 



631. Podiceps auratus 75, 76 



632. Podiceps nigricollis 75, 76 



633. Podiceps fluviatilis 77-79 



> 



