BIRDS 



289. Olive-backed Thrush. Hylocichla ustulata 

 swainsoni. Regular migrant, abundant. 



290. Hermit Thrush. Hylocichla guttata pallasi. 

 Regular migrant, abundant ; probably a rare summer 

 resident. 



291. Robin. Planesticus migratorius migratorius. 

 Summer resident, abundant ; breeds ; irregular win- 

 ter resident. 



292. Bluebird. Sialia sialis sialis. Summer resi- 

 dent, abundant; breeds. 



REFERENCES. 



R. Ridgway. The Birds of North and Middle 

 America. Bull. U.S. Nat. Museum, No. 50. 

 1901-1911. 



R. Ridgway. A Manual of North American Birds. 

 Philadelphia. 188Y. 



F. M. Chapman. Handbook of the Birds of Eastern 

 North America. New York and London. 

 1912. 



T. Mcllwraith. The Birds of Ontario. William 

 Briggs, Toronto, 1894. 



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