Perching Birds Chiefly Dull Colored 



472. Beardless Flycatcher {Ornitbion imberbe). 

 L. 4-S; 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 

 Texas. 



472a. Ridgway Flycatcher ( O. i. ridgwayi). Sim- 

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

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

 a shrill pier repeated; song, from the tree-tops, yoop, 

 yoop, yoopeedeedledee. (Stephens.) 



Range.- Southern border of Mexican tableland north in spring to 

 southern Arizona. 



6 16. Bank Swallow (Riparia riparia). L. 5.2. Ads. 



Below white, a broad grayish brown band across the 

 breast; above grayish brown. Yi/g. 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. 



<fC% '„ 



472. 





616. 



617. Rough-winged Swallow {Stelgidopteryx serru 

 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. 



211 



