608. SCARLET TANAGER. 1].;, in. 



(Piranga erythromelas.) 

 Scarlet; black ivings and tail, rather sluggish; note, 

 "chip, chree;'' song resembles that of robin. Female: 

 olive-green; usually near by. Cardinal. Summer Tanager. 



610. SUMMER TANAGER. 7% in. 



(Piranga rubra.) 

 Vcnnilion all over; no black. Female: yellowish-olive; 

 usually near the male. Cardinal. 



611. PURPLE MARTIN. 7>^ in. 



(Progne suhis.) 

 Blue-black all over; often nests in bird houses; twitter- 

 ing song. Female: lighter, streaked with grayish-white 

 below. Tree Swallow. Chimney Swift. 



612. CLIFF SWALLOW. 6 in. 



(Petrochelidon lunifrons.) 



Steel-blue back and crown; rump, throat and sides of 

 head chestnut; forehead whitish; belly white, breast bro\^Ti- 

 gray marked by steel-blue patch; tail square; in flocks; nests 

 in eaves of buildings or under cliffs; twittering call. Barn 

 and Tree Swallows. 



613. BARN SWALLOW. 7 in. 



(Hirundo erythrogaster.) 



Steel-blue; chestnut shading to white below; forehead 

 chestnut; deeply forked tail. Immature: tail shorter; colors 

 duller. CUff Swallow. 



614. TREE SWALLOW. 6;^ in. 



(Iridoprocne bicolor.) 



Metallic blue-green; shining white below; tail appears 

 nearly square in flight; often seen skimming near the surface 

 of still water. Barn Swallow. Purple Martin. 



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