THE NATURAL HISTORY SURVEY. 1 95 



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. 



Merula migratoria (Linnaeus). American Robin. 



Turdus migratorius LINNAEUS, S. N., ed. 12, I, 1766, 292. 



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



Popular synonyms: ROBIN. ROBIN RED-BBEAST. ROBIN THBUSH. 

 MIGRATORY THRUSH. RED-BREASTED THRUSH. AMERICAN FIELD- 

 FARE. REDBREAST. 



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 SIAT.IA Swainson, 1827. 



Sialia sialis (Linnaeus). Bluebird. 



Motacilla sialis LINNAEUS, 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: EASTEBX BLUEBIRD. 



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. 



