260 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Range. — Breeds in the Hudsonian Zone in a narrow belt just south of tree 

 limit from northeastern Siberia through northwestern Alaska, northwestern 

 Mackenzie, and northern Manitoba to central Quebec, and in Newfoimdland. 

 Migrates through eastern North America and along the east coast of Central 

 America and winters in Colombia, Ecuador, Peru, Venezuela, and British Gui- 

 ana; west in migration to Montana, Kansas, and Texas. Accidental in Cuba, 

 Greenland, and Heligoland. 



Hylocichla minima minima (Lafresnaye). Bicknell's Thrush. [757a.] 



Turdiis minimus Lafresnaye, Revue ZooL, XI, [No. 1] Jan., 1848, 5. 

 (ad Bogotam in Nova-Granada = Bogotd., Colombia.) 



Range. — Breeds in the Hudsonian and upper Canadian zones in Nova Scotia, 

 the mountains of northern New England, the Catskills and Adirondacks of New 

 York, and probably in the mountains of western Massachusetts. Migrates 

 through the southeastern United States and the Bahamas and winters in Haiti 

 and Venezuela. 



Hylocichla fuscescens fuscescens (Stephens) . Veery. [756.] 



Turdus Fuscescens Stephens, in Shaw, General Zoology, X, Pt. i, Sept., 

 1817, 182. (Pennsylvania.) 



Range. — Breeds in the lower Canadian and Transition zones from Michigan, 

 southern Ontario, southern Quebec, and Anticosti Island south to northern 

 Indiana, northern Ohio, and New Jersey, and in the Alleghanies to North 

 Carolina and northern Georgia. Migrates through Yucatan and Central 

 America and winters in Colombia, British Guiana, and Brazil. 



Hylocichla fuscescens salicicola Ridgway. Willow Thrush. [756a.] 



Hylocichla fuscescens salicicola Ridgway, Proc. U. S. Nat. Mus., IV, 

 1882, 374 [April 13]. (Fort Garland, Colorado.) 



Range. — Breeds in the lower Canadian and Transition zones from southern 

 British Columbia, central Alberta, central Saskatchewan, southern Manitoba, 

 and Wisconsin (and apparently also Newfoundland) south to central Oregon, 

 Nevada, Utah, northern New Mexico, and central Iowa. Winters in South 

 America to BrazU. Casual in migration to Indiana, Wisconsin, Mississippi, and 

 the eastern United States. 



Genus SIALIA Swainson. 



Sialia Swainson, Philos. Mag., n. s., I, No. 5, May, 1827, 369. Type, by 

 monotypy, Sialia azurea Swainson = Motacilla sialis Linnaeus. 



Sialia sialis sialis (Linnaeus). Eastern Bluebird. [766.] 



Motacilla sialis Linnaeus, Syst. Nat., ed. 10, 1, 1758, 187. Based mainly 

 on The Blew Bird, Rubicula americana caerulea Catesby, Carolina, I, 

 47. (in Bermudis and America calidiore = South Carolina.) 



