June, 1902. CHECK-LIST OF CALIFORNIA BIRDS 19 



78 (146) Aythya americana (Eyton) Baird, 



Redhead. 



Syn. — iVyroca americana; Nyroca ferina; Nyroca erythrocephala; Aythya erythrocephala; 



ALthyia ainencaua; Fiiligulaferina var. americana. 

 Status — Common resident in suitable localities throughout the State; recorded as breeds 



ingat numerous points in the interior valleys. 



79 (147) Aythya vallisneria (Wilson) Boie. 



Canvas-back. 



Status — Common winter visitant in suitable localities throughout the State. 



80 (148) Aythya marila (Linnaeus) Boie. 



Scaup Duck, 



Syn. — Fulix marila; Fuiigula marila; Aythya marila nearctica. 



Status — Fairly common winter visitant on salt and brackish water coastwise: south to 

 San Diego Bay. 



81 (149) Aythya afBnis (Eyton) Stejneger. 



Lesser Scaup Duck, 



Syn. — Fuiigula mariloides; Fuiigula affinis; Fulix affinis. 



Status— Fairly common winter visitant coastwise and on the larger bodies of water 

 inland. 



82 (150) Aythya collaris (Donovan) Ridgway. 



Ring-necked Duck. 



Syn. — Fultgula collaris; Fulix collaris. 



Status — ^Judging from the scarcity of records, this species is of rather rare occurrence, 

 and appears only in midwinter; recorded from Lake Tahoe, Pacific Grove and Los An- 

 geles County. 



83 (151) Clangula americana Bonaparte. 



American Golden-eye, 



Syn. — Clangula clangula americana; Bucephala clangula:, Glaucionetta clangula amev' 

 icana; Bucephala americana; Bucephala clangula var. americana; Clangula glaucion 

 americana. 



Status — Common winter visitant along our whole scacoast; confined chiefly to salt water 

 though there are also a few records from the interior. 



84 (152) Clangula islandica (Gnielin) Bonaparte. 

 Barrow Golden-eye. 



Syn. — Bucephala islandica; Cilaucionetta tslandica. 



Status — Rare winter visitant; known only from specimens procured in the San Fran- 

 Cisco markets. 



