CHECK-LIST OF COLORADO BIRDS 341 



675a. Grinnell's water thrush. Seiurus noveboracensis 

 NOTABiLis. Rare migrant; appearing from plains to 8,000 

 feet. 



6'7S. Connecticut warbler. Geotmlvpis agius. Rare 

 or accidental migrant ; one record by Mr. Aiken. 



680. Macgillivray's w^arbler. Geothlypis tolmiei. 

 Common summer resident ; breeds from base of foothills 

 to 9,000 feet. 



6S1. Maryland yellow^-throat. Geothlypis trichas. 

 One taken at Colorado Springs by Mr. Aiken. 



681a. Western yellow-throat. Geothlypis trichas 

 occidentalis. Common summer resident, almost restricted 

 to the plains ; both sides of the range. 



6S3. Yellow-breasted chat. Icteria virens. Acci- 

 dental summer visitor. 



683a. Long-tailed chat. Icteria virens longicauda. 

 Common summer resident ; scarcely found in the moun- 

 tains, but frequent in the lower foothills and on the plains ; 

 never seen above 8,000 feet. 



685. Wilson's w^arbler. Wilsonia pusilla. Abundant 

 summer resident ; centre of abundance in breeding season, 

 11,000 feet; known to breed at l!:3,000 feet; also as low 

 as 6,000. 



685a. Pileolated warbler. Wilsonia pusilla pileolata. 

 Summer resident ; not uncommon ; Mr. Aiken thinks it as 

 plentiful as preceding. 



686. Canadian warbler. Wilsonia canadensis. Rare 

 or accidental migrant ; one record by Mr. Aiken. 



6S7. American redstart. Setophaga ruticilla. Sum- 

 mer resident ; not uncommon in eastern, rare in western, 

 Colorado ; breeds below 8,000 feet. 



