THE BIRD BOOK 



• ; They naturally nest in holes in trees or stumps, preferablR 

 in the vicinity of water, but large numbers now take up 

 their abode in houses provided for them 

 by man, providing that English Sparrows 

 are kept away. They make their nests of 

 straws and grasses, lined with feathers, ' 



and lay four to six plain white eggs; 

 size .75 X .50. Data. — Portage, Mich., 

 May 26. 1897. Nest in a gate post; hole 

 about 6 inches deep, lined with feathers. 



White 



til 



Tarh 



ii/ct- 



I :, K 1 1; 



Northern Violet-grekn Swallow. 

 11 eta thalassiiia lepida. 



Range. — United States in the Rocky Mountains and west 

 to the Pacific coast, breeding from Mexico to British Co- 

 lumbia; winters south of our borders. 



This very beautiful species is smaller than the last, but. 

 like it, is white below, but the upper parts 



are blue, green and purple without gloss. ^^^ ^. 



They are common in their range and 



nest, usually in holes in trees, less often 



in banks and under eaves; the nests are ^i^^^' ' 



made of grass and feathers, and the eggs "^^ 



are pure white, four or five in number; 



size .72 X .50. wmte 



Hi. 5a. San Lucas Swallow. Tachijcineta thala.ssina bmcJii/ptrra. 



Range. — Southern Lower California. Practically the same bird as the last 

 but with the wing very slightly shorter. Nesting habits or eggs will not differ. 



|()l,").l.] Bahaman Swallow. CaUichelidon ciianeoinridis. 



Range. — Bahamas; casual at Dry Tortugas, Florida. 



This very beautiful species is similar to the western Violet-green Swallow, as 

 are also its eggs. 



ol \ 



(il(). Bank Swallow. Riparia riparia. 



Range. — Whole of North America, north to the limit of trees, breeding from 

 the middle portions of the United States northward; winters south of our 

 borders. 



This dull-colored Swallow is grayish above and white below, 

 with a gray band across the breast, they breed in lioles in em- 

 bankments, digging small tunnels from one to three feet in 

 length, enlarged and lined at the end with grass and feathers. 

 During May, June or July, according to latitude, they lay from 

 White four to six pure white eggs; size .70 x .50. 



til?. Rov^gh-winged Swallow. Stelgidopteryx serripennis. 



Range. — United States, breeding from Mexico north to southern New England, 

 Manitoba and British Columbia; winters south of our borders. 



This species is slightly larger than the last and similar but 

 with the throat and breast grayish and with the otiter web of 

 the outer primary provided with recurved hooks. They nest in 

 boles in embankments, in crevices in cliffs or among stones 

 of bridges or buildings. Their eggs are like those of the 

 Bank Swallow but average a trifle larger; size .75 x .52. White 



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