NO, 5 CHECK-LIST OF FOSSIL BIRDS — WETMORE 31 



Mareca americana (Gmelin) : American Widgeon 



Anas americana Gmelin, Syst. Nat., vol. i, pt. 2, 1789, p. 526. 



Modern form reported from late Pleistocene : Fossil Lake, Oregon ; 

 McKittrick, Kern County; San Pedro (Palos Verdes sand, lumber- 

 yard locality), Los Angeles County, California. 



Genus SPATULA Boie 



Spatula Boie, Isis von Oken, vol. 10, Heft 5, 1822, col. 564. Type, by 

 nionotypy, Anas clypeata Linnaeus. 



Spatula clypeata (Linnaeus) : Shoveler 

 Anas clypeata Linnaeus, Syst. Nat., ed. 10, vol. i, 1758, p. 124. 



Modern form reported from late Pleistocene: Fossil Lake, Ore- 

 gon ; ^^ McKittrick, Kern County, and San Pedro (Palos Verdes sand, 

 lumberyard locality), Los Angeles County, California; Meade County 

 (Vanhem formation, Jones fauna), Kansas. 



Subfamily AYTHYINAE: Diving Ducks" 



Genus AYTHYA Boie 



Ay thy a Boie, Tageb. Reise Norwegcn, before May 1822, p. 351. Type, by 

 monotypy. Anas marila Linnaeus. 



Aythya americana (Eyton) : Redhead 



Fuligula americana Eyton, Mon. Anatidae, 1838, p. 155. 



Modern form reported from late Pleistocene : Fossil Lake, Oregon ; 

 McKittrick, California. 



Aythya coUaris (Donovan) : Ring-necked Duck 



Anas collaris Donovan, Brit. Birds, vol. 6, 1809, pi. 147. 



Modern form reported from Lower Pliocene: Cedar Mountain, 

 Nevada. 



36 Shufeldt's record of Aix sponsa from Fossil Lake is now assigned to 

 Spatula clypeata. See Howard, Carnegie Inst. Washington Publ. 551, Jan. 25, 

 1946, p. 176. 



^'^ Polysiicta stelleri, Bucephala islandica, and Ilistrionicns histrionicus re- 

 ported from Fossil Lake by Sliufeldt were wrongly identified and are eliminated 

 from the list. See Howard, Carnegie List. Washington Publ. 551, Jan. 25, 1946, 

 p. 176. 



