THE NATURAL HISTORY SURVEY. 195 



gan, southern New York, the northern portion of the Alleghany 

 Mountains and the mountainous regions of New England north- 

 ward. It winters chiefly south of latitude 40°. 



Genus MERULA Leach, 1816. 



Hernia migratoria (Linnaeus). American Bobin. 



Turdus migratorms Linnaeus, S. N., ed. 12, I, 1766, 292. 

 Merula migratoria Swainson, Phil. Mag., I, 1827, 368. 

 Popular synonyms: RoriiN. Robin Hed-beeast. Robin Thrush. 

 MiGBATOBT Thbijsh. Red-beeasted Theush. , Ameeican Field- 



FAEE. ReDBEEAST. 



The American Robin is an abundant summer resident, arriv- 

 ing early in April, and departing in October. 



The range of the Robin covers North America, east of the 

 Rocky Mountains and from Hudson Bay and Alaska southward 

 to eastern Mexico. It breeds from Virginia and Kansas north- 

 ward to the Arctic coast, and winters from southern Canada and 

 the Northern States (irregularly) southward. 



Genus SIALIA Swainson, 1827. 



Sialia sialis (Linnseus). Bluebird. 



Motacilla sialis LiNN^us, S. N., ed. 10, I, 1758, 187. 

 Ampelis sialis Nuttall, Man., I, 1832, 444. 

 Sialia sialis Haldem., Trego's Geog. Penn., 1843, 77. 

 Popular synonym : Easteen Bluebied. 



The Bluebird is a common summer resident, arriving from 

 the last of February to the first of May, and departing usually 

 during the latter half of September and the first half of October. 



The range of the Bluebird extends east of the Rocky Moun- 

 tains, from Manitoba, Ontario, and Nova Scotia southward. It 

 breeds from the Middle States northward, and winters southward 

 to the Gulf of Mexico and Cuba. It is also resident in Bermuda. 



