DIKECTOKY TO BIRDS OF EASTERN NORTH AMERICA. 239 



and white ; no yellow. Ancestral origin, north-western S. A. 

 Type, Sylvia rara Wilson (see Atlas explanation of plate 

 XXXII). 



Fig. 314. Fig. 315. 



V 



CC, H, f, 1. 1-3. CC, H, g, 1. 1-3. 



1. CERULEAN WARBLER, A. KARA. 4.50; bright 

 blue above; white beneath with a more or less distinct bluish 

 band across breast ; dusky lines on sides and on head, fig. 315. 

 Female, greenish-blue above, greenish-yellow beneath. 

 Breeds from the Ohio Eiver Valley north to southern Mich. ; 

 east to western N. Y. rarely east of the Alleghanies ; casually 

 to southern N. E. ; winters from Panama south to Peru. Goes 

 south in August; north in April. Song, a guttural trill. Oc- 

 curs in low woodlands. 



h. Busli Warblers. Sylviocantor. 



Wings, rather short and rounded, not reaching middle of 

 rather short tail ; upper and under tail coverts of medium 

 length, reaching middle of tail ; two broad greenish-white 

 wing bands ; tail spots on three outer feathers, white ; green- 

 ish above; white below; yellow on crown. Sexes, similar. 

 Ancestral home, Central America. Type, Motacillapennsyl- 

 vanica Linnaeus. 



