56 



739. COLYMBITS PACIFICUS Lawr. 



Pacific Diver. [700.] 



740. COLYMBUS SEPTENTRIONALIS Link. 



Red-throated Diver. [701.] 



741. ALCA IMPENNIS Linn. 



Great Auk. [710.] 



742. UTAMANIA TORDA (Linn.) Leach. 



Razor-biUed Auk. [711.] 



743. FRATERCULA ARCTICA (Linn.) Steph. 



Common Puffin. [715,716.] 



743a. FRATERCULA ARCTICA GLACIALIS (Leach) Ridgw. 

 Large-billed Puffin. [714.] 



744. FRATERCULA CORNICULATA (Naum.) Gkay. 



Horned Puffin. [713.] 



745. LUNDA CIRRHATA Pall, 



Tufted Puffin. [712.] 



740. CERATORHINA MONOCERATA (Pall.) Cass. 

 Horn-billed Puffin. [717, 718. ] 



747. PHALERIS PSITTACULA (Pall.) Temm. 



Parrot Auk. [725.] 



748. SIMORHYNCHUS CRIST ATELLUS (Pall.) Merrkm. 



Crested Auk. [719,720.] 



749. SIMORHYNCHUS PYGMiEUS (Gmel.) Eidgw. 



Whiskered Auk. [721.] 



750. CICEROiniA PUSILLA (Pall.) Eidgw. 



Least Auk. [722,723.] 



751. PTYCORHAMPHU3 ALEUTICUS (Pall.) Brandt. 



Cassia's Auk. [724.] 



752. ALLE NIGRICANS Link. 



Sea Dove; Dovekie. [738.] 



753. SYNTHLIBORHAMPHUS ANTIQUUS (Gm.) Coues. 



Black-throated Guillemot. [736.] 



754. SYNTHLIBORHAMPHUS WURMIZUSUME (Temm.) Coues. 



Temminck's Guillemot. [737.] 



755. BRACHYRHAMPHUS MARMORATUS (Gm.) Brandt. 



Marbled Guillemot. [732,733.] 



756. BRACHYRHAMPHUS KITTLITZI Brandt. 



Kittlitz's Guillemot. [735.] 



757. BRACHYRHAMPHUS HYPOLEUCUS Xantus. 



Xantus's Guillemot. 



