GEN. 268-274 OF KEY. 99 



514? SOMATERIA V-NIGRA GRAY. 

 Pacific Eider. 



515. SOMATERIA SPECTABILIS (L.) LEACH. 



King- fider. 



516. CEDEMIA AMERICANA Sw. 

 American JBlack Scoter. 



517. CEDEMIA FUSCA (L.) Sw., 



(? var. VELVKTINA Cass.) 

 Velvet Scoter. 



518. GEDEMIA PERSPICILLATA (L.) FLEMING. 



Surt* Duck. 



518a. CEDEMIA PERSPICILLATA (L.) FLEMING, 

 var. TROWKKIDGEI (Bd.) Coues. 

 Scoter. 



519. ERISMATURA RUBIDA (WiLS.) BP. 

 lluddy Duck. 



[520.] ERISMATURA DOMINICA (L.) EYTON. 



]>uck. 



521. MERGUS MERGANSER L. 

 31 erg-anger ; (Goosander. 



522. MERGUS SERRATOR L. 

 Red-breasted 



523. MERGUS CUCULLATUS L. 

 Hooded 



524. SULA BASSANA L. 



Solan Choose. 



525. SULA FIBER L. 

 Ilooby Oaiinet. 



526. PELECANUS TRACHYRHYNCHUS LATH. 



White Pelican. 



