BIRDS OF ONTARIO. 67 



294. Ruby-crowned Kinglet 



(Regulus calendula..) 



Common during the spring and autumn migrations. Probably 

 breeds in the interior. 



Arrives about the middle of April, departs at the end of October. 



Subfamily POLIOPTILIN^. Gnatcatchers. 

 Genus POLIOPTILA. 



295. Blue-gray Gnatcatcher. 



(Polioptila caerulea.) 



A rare summer resident of the south-western counties, breeding 

 whe'^e it occurs. 



Family TURDIDyE. Thrushes, Bluebirds, etc. 

 Subfamily TURDIN.E. Thrushes. 

 Genus HYLOCICHLA. 



296. Wood Thrush. 



(Hylocichla mustelina.) 



Fairly well distributed throughout southern Ontario but nowhere 

 abundant. Breeds wherever it occurs. 



Arrives early in May, departs about the middle of September. 



297. Wilson's Thrush. 



(Hylocichla fuscescens.) 



An abundant summer resident, breeds throughout its range in the 

 Province. 



Arrives early in May, departs at the end of August. 



298. Grey cheeked Thrush. 



(Hylocichla alicise.) 



A common migrant in spring and autumn, breeds far north. 

 Arrives about the middle of May, departs early in October. 



299. Ohve-backed Thrush. 



(Hylocichla ustulata swainsonii.) 



A common migrant in spring and autumn. Breeds far north. 

 Arrives about the middle of April, departs early in October. 



300. Hermit Thrush. 



(Hylocichla aonalaschkse pallasii). 



