Perching Birds Chiefly Dull Colored 



472. Beardless Flycatcher (Ornithion Merle). 

 L. 4.5; W. 2.10. Ads. Bill small, narrow, upper 

 mandible decidedly curved; above gray tinged with 

 olive, below grayish white with a yellow tinge. 



Range. Central America; north in spring to Lower Rio Grande 1 

 Texas. 



472a. Rid g way Flycatcher (O. *'. ridgwayt). Sim- 

 ilar to No. 472, but larger, W. 2.2; grayer, little if any 

 sulphur tinge on underparts. (Ridgw.) Notes. Call, 

 a shrill />*Vr repeated; song, from the tree-tops, yoop, 

 yoop, yoopeedeedledee. (Stephens. ) 



Range. Southern border of Mexican tableland north in spring to 

 southern Arizona. 



616. Bank Swallow (Riparia riparia] . L. 5.2. Ads. 

 Below white, a broad grayish brown band across the 

 breast; above grayish brown. Yng. Similar, but 

 brown areas more or less tipped with rusty. 



Range. Northern hemisphere: in America, breeds from northern 

 New Jersey, Kansas, and southern California, north to Labrador, and 

 Alaska; winters south to Brazil. 



6 1 7. Rough-winged Swallow (Stelgidopteryx serri- 

 pennis}. L. 5.5. Ads. Above grayish brown; below 

 grayish white, whiter on belly; barbs on outer vane of 

 outer primary recurved. Yng. Plumage more or less 

 tipped with rusty. 



Range. United States; breeds from Mexico north to Massachusetts, 

 Manitoba, and British Columbia; winters in Central America. 



617, 



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