60 A GUIDE TO THE BIRDS 



B. 



6.95. (Longer but not larger than an English Sparrow.) Glossy blue 

 above; salmon or whitish underneath; two outer tail-feathers long 

 and pointed p. 144. Barn Swallow. 



6.01. Back bluish; throat chestnut; belly whitish; rump brick red; tail 

 almost square p. 145. Cliff or Eave Swallow. 



5.90. Iridescent greenish-blue above; pure white beneath; tail simply 

 forked p. 143. White-bellied Swallow. 



5.43. Sooty brown, often apparently black; wings narrow and curved; 

 flight bat-like; tail either cigar-shaped, or, when quickly spread, 

 fan-shaped p. 210. Chimney Swift. 



5.20. Upper parts brown; under parts whitish; band across breast brown- 

 ish; tail notched p. 142. Bank Swallow. 



B'. 

 5.75. Upper parts brown; throat and breast dusky; no distinct band 

 across breast p. 141. Bough-winged Swallow. 



