122 



REVIEW OP AMERICAN BIRDS. 



[part I. 



H > 



I 







i>iv 





0. Tail fuath«re, exoept central, black ; 

 the expoHfd Hurfaoe and tips only varied 

 trith white. 



1. Bill and le^a very stout, the former . 

 longer than the head. Wings longer 



than tail. A concealed nuidiul half 



collar of white Htreakd. 



Color much as in 7'. bewickil, but 

 whiter beneath. Outride of 

 wings very obsoletely banded petenicua, 



2. Bill and legs more slender ; some- 

 times the bill sliorter than head. 

 Tail longer than the wings, ^'ocou- 

 cealed nuchal half collar. 



Above dark rufous brown ; be- 

 neath plun)l)eouswhitn; flanks 

 tinged with brown. Hump and 

 exposed secondaries distinctly 

 banded. Quills and middle 

 tail feathers brownish-black . bewickii. 

 Above ashy-brown ; beneath, in- 

 cluding flanks, clear white ; 

 rump ashy, and, like seconda- 

 ries, very obsoletely barred. 

 Quills and middle tail feathers 

 grayish-brown . . . leucogaster. 

 Colors intermediate between the 

 two last. Bill longer, from 

 nostril, .50, from gape .81, in- 

 stead of .39 and .70 

 2. Exposed surface of wings barred ; upper tail 

 coverts not barred. Beneath white. Tail 

 feathers reddish-brown, banded with black, 

 except in pe.tf ulcus. 



a. Above quite uniform reddish-chestnut. 



1. Sides ashy ..... 



2. Sides brownish .... 

 B. Grayish-brown above, ramp rnfescent. 



1. Sides brownish .... ainaloa, 

 c. Crissum plain, without bands. 



1. Outside of wings obsoletely banded. Beneath 



white ; flanks and crissum fulvous. 



«. Bill shorter than tarsus . . . modestus, 



2. Outside of wings and wing coverts distinctly 



banded. Beneath white ; dauks and anal 

 region very pale fulvous. 



a. Bill longer than tarsus . . . albipectus. 



3. Similar to last above ; throat white ; rest of 



under parts fulvous. 



