NO, 5 CHECK-LIST OF FOSSIL BIRDS — WETMORE 29 



Genus DENDROCHEN Miller 



Dendrochen A. H. Miller, Univ. California Publ., Bull. Dept. Geol, Sci., 

 vol. 27, No. 4, June 22, 1944, p. 88. Type, by original designation, 

 Dendrochen robusta Miller. 



Dendrochen robusta Miller 



Dendrochen robusta A. H. Miller, Univ. California Publ., Bull. Dept. Geol. 

 Sci., vol. 27, No. 4, June 22, 1944, p. 88, fig. 3. 



Lower Miocene (Rosebud formation) : Flint Hill, 9 miles west- 

 southwest of Martin, Bennett County, South Dakota. 



Subfamily ANATINAE: Surface-feeding Ducks 



Genus ANAS Linnaeus 



Anas Linnaeus, Syst. Nat., ed. 10, vol. i, 1758, p. 122. Type, by subsequent 

 designation, Anas boschas Linnaeus =::^. platyrhynchos Linnaeus (Les- 

 son, 1828). 



Anas platyrhynchos Linnaeus: Mallard 

 Anas platyrhynchos Linnaeus, Syst. Nat., ed. 10, vol. i, 1758, p. 125. 



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

 Rancho La Brea, Los Angeles, McKittrick, and Carpinteria, Cali- 

 fornia; (Palos Verdes sand) : San Pedro, Los Angeles County, Cali- 

 fornia ; Baiios de Ciego Montero, Santa Clara Province, Cuba. Pleis- 

 tocene : Itchtucknee River, and Haile, Alachua County, Florida. 



Anas rubripes Brewster: Black Duck 

 A7ias obscura rubripes Brewster, Auk, vol. 19, No. 2, April 1902, p. 184. 



Modern form reported from Pleistocene : Itchtucknee River, 

 Florida. 



Anas fulvigula Ridgway : Mottled Duck 



Anas obscura var. ftdvigula Ridgway, Amer. Nat., vol. 8, No. 2, February 

 1874, p. III. 



Modern form reported from Pleistocene: Seminole Field, Pinellas 

 County, Itchtucknee River, and Bradenton, Florida. 



Anas strepera Linnaeus : Gadwall 

 Anas strepera Linnaeus, Syst. Nat., ed. 10, vol. i, 1758, p. 125. 



Modern form reported from late Pleistocene: McKittrick and 

 Rancho La Brea, Los Angeles, California.''* 



^* Listed erroneously in Check-list of North American Birds, ed. 4, 1931, p. 421, 

 from Itchtucknee River, Florida. 



