50 



627 a. SOMATERIA MOLLISSIMA DRESSERI (Shaepe) Coues. 

 American Eider. [606.] 



628. SOMATERIA V-NIGRA Gray. 



Pacific Eider. [G07.] 



629. SOMATERIA SPECTABILIS (Linn.) Boie. 



King Eider. [608.] 



630. CBDEMIA AMERICANA Sw. & EiCH. 



American Scoter. [604.] 



[631.] MELANETTA FUSCA (Linn.) Boie. 

 Velvet Scoter. 



632. MEIiANETTA VBLVETINA (Cass.) Baikd. 



American Velvet Scoter. [601.] 



633. PETiTOKETTA PERSPICILLATA (Linn.) Kaup. 



Surf Duck. [602.] 



634. ERISMATURA RUBIDA (WiLS.) Bp. 



Ruddy Duck. [609.] 



635. NOMONYX DOMINICUS (Linn.) Eidgw. 



Black Masked Duck. [610.] 



636. MERGUS MERGANSER AMERICANUS (Cass.) Ridgw. 



American Sheldrake. [611.] 



637. MERGUS SERRATOR Linn. 



Red-breasted Sheldrake. [612.] 



638. LOPHODYTES CUCULLATUS (Linn.] Reich, 



Hooded Sheldrake. [613.] 



639. TACHYPETES AQUILA (Linn.) Vieill. 



Frigate Pelican. [619.] 



640. PELECANUS ERYTHRORHYNCHUS Gmel. 



American White Pelican. [615.] 



641. PELECANUS FUSCUS Linn. 



Brown Pelican. [616.] 



642. PHALACROCORAX CARBO (LiNN.] Bp. 



Common Cormorant. [620.] 



643. PHALACROCORAX DILOPHUS (Sw. &, Rich.) Nutt. 



Double-crested Cormorant. [623.] 



643 a. PHALACROCORAX DILOPHUS FLORID ANUS (AUD.) RiDGW. 

 Florida Cormorant. [624. J 



643 &. PHALACROCORAX DILOPHUS CINCINNATUS (Brandt) RidgW. 

 White-crested Cormorant. [622.] 



644. PHALACROCORAX MEXICANUS (Brandt) Scl. & Salv. 



Mexican Cormorant. [625.] 



