June, 1902. CHECK-LIST OF CALIFORNIA BIRDS 19 



78 (146) Aythya americana (Eyton) Baird. 



Redhead. 



Syn. — Nyroca americana; Nyroca ferina; Nyroca erythrocephala\ Aythya erylhrocephala\ 

 ^thyia americana; Fuligula ferina var. americana. 



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

 ing at numerous points in the interior valleys. 



79 (147) Aythya vallisneria (Wilson) Boie, 



Canvas-back. 



Status — Common winter visitant in suitable localities throughout the St^te, 



80 (148) Aythya marila (Linnaeus) Boie. 



Scaup Duck. 



Syn. — Fulix ■marila; Fuligula marila; Aythya marila nearctica. 



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

 San Diego Bay. 



Si (149) Aythya aflSinis (Eyton) Stejneger. 



Lesser Scaup Duck. 



Syn. — Fuligula mariloides; Fuligula affifiis; Fulix affinis. 



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

 inland. 



S2 (150) Aythya coilaris (Donovan) Ridgway. 



Ring-necked Duck. 



Syn. — Fuligula coilaris; Fulix coilaris. 



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

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

 geles County. 



S3 (151) Clangula americana Bonaparte. 



American Golden-eye. 



Syn. — Clangula clangula americana; Bucephala clangula; Glaucionetta clangula amer- 

 icana; Bucephala americana; Bucephala cla?igula var. americana; Cla?tgula glaucion 

 americana. 



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

 though there are also a few records from the interior. 



34 (152) Clangula islandica (Gmelin) Bonaparte- 



Barrow Golden-eye. 



Syn. — Bucephala islandica; Glaucionetta islandica. 



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

 Cisco markets. 



