42 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Subfamily DENDROCYGNINAE. Tree-ducks. 

 Genus DENDROCYGNA Swainson. 



Dendrocygna Swainson, Classif . Birds, II, [July 1] 1837, 365, Type, by 

 subs, desig.. Anas arcuata Horsfield (Gray, 1840). 



Dendrocygna autumnalis autumnalis (Linnaeus). Black-bellied Tree-duck. 



[177.] 

 Anas autrminalis Linnaeus, Syst. Nat., ed. 10, I, 1758, 127. Based on 

 The Red-bill'd Whistling Duck Edwards, Nat. Hist. Birds, 194. (in 

 America = West Indies.) 

 Range. — Breeds from the Gulf coast of Texas (Corpus Christi) and the 

 lower Rio Grande Valley to Panama, and west to Mazatlan, Mexico. Winters 

 from Vera Cruz and Mazatlan southward. Casual in Arizona, southern Cali- 

 fornia, and Jamaica. [A closely related race occurs in tropical South America.] 



Dendrocygna bicolor helva Wetmore and Peters. Fulvous Tree-duck. 



[178.] 



Dendrocygna bicolor helva Wetmore and Peters, Proc. Biol, Soc, Wash., 

 XXXV, No. 8, March 20, 1922, 42. (Unlucky Lake, San Diego County, 

 California.) 



Range. — Central California, central Nevada, southern Arizona, and Louisi- 

 ana south probably to Jalisco and the Valley of Mexico. Casual in North 

 Carolina, Missouri, Minnesota, and British Columbia. [A closely related race 

 occurs in Central and South America, Africa and India.] 



• Dendrocygna viduata (Linnaeus). White-faced Tree Duck. [178.1.] 



Anas viduata Linnaeus, Syst. Nat., ed. 12, 1766, 205. (in Carthaginae 

 lacubus = Carthagena, Colombia.) 



Range.— Colombia and Guiana to Uruguay and Argentina east of the 

 Andes; also in Africa south of the Sahara. Casual in Cuba and Costa Rica 

 and accidental in New Jersey (Hackensack, October, 1912).^ 



Subfamily ANATINAE. Surface-feeding Ducks. 



Genus TADORNA Fleming. 



Tadorna Fleming, Philos. Zool., II, 1822, 260. Type, by monotypy, 

 Anas tadorna Linnaeus. 



1 G. B. GrinneU, Auk, XXX, 1913, 110. 



