254 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Part 2. The following species have no red, blue, yellow, or green on 

 the underparts : 



Underparts, brownish white; crown and back, brownish gray, usually tinged 

 with more or less blue on the head, rump, and lesser wing coverts ; middle 

 wing coverts, edged with rufous brown. 



Blue Grosbeak. 



Guiraca cwrulea (immature). 

 See No. 445. 



Towhee Bunting. 



Crown and back, black ; throat, black ; sides of body, rufous brown ; belly, 

 white. 



Towhee Bunting. 



Pipilo erythrophthalmus (male). 

 See No. 440. 



Head and entire underparts, black; a 

 tawny white patch on the back of the 

 neck; back, black; rump, whitish. 

 (This species belongs in the family 

 Icteridse (see Section 8), but to the 

 uninitiated the bill has a slight re- 

 semblance to birds in this class.) 



Bobolink. 



Dolichonyx oryzivorus. 

 See No. 370. 



Crown, black, mixed with buffy white; a nuchal collar (back of neck), chestnut; 

 back, streaked; breast, more or less marked with black; belly, white; hind 

 toe nail, long. 



Lapland Longspur. 



Calcarius lapponicus. 

 See No. 404. 



