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 cerulea (immature). 
See No. 445. 
Towhee Bunting. 
Crown and back, biack ; 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, blaek; rump, whitish. 
(This species belongs in the family 
Icteride (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. 
