138 



REVIEW OF AMERICAN BIRDS. 



[part I. 



aedon. 



aedon, var. aztecus. 



parhmanni. 



americanus. 



A. Tail and wings aLout equal. 



a. Beneath grayish-white. Crissum and flanks dis- 



tinctly barred. Wing coverts spotted with whit- 

 ish. Dark bars of tail about half the width of 

 their interspaces. 



First primary nearly half the longest. Color 



above dark-brown, rufous towards tail 

 Wing similar. Above paler brown 

 First primary half the second. Above paler 

 brown ....... 



Somewhat similar to a^/o^, but darker. Sides 

 of head dark, without obscure superciliary 

 streak ....... 



b. Beneath all over yellowish-brown. Crissum band- 



ed ; flanks indistinctly so or not at all. Wing 

 coverts not spotted. Dark bars of tail more 

 numerous, about equal to their light inter- 

 spaces. Inside of wings plain.' 



First primary little more than half the second. 

 Beneath darker fulvous. Bars of flanks in- 

 appreciable ...... 



First primary more than half the longest. 

 Beneath pale fulvous. Flanks quite dis- 

 tinctly barred ...... 



c. Throat and breast dark yellowish-brown, con- 



trasting with the whitish belly and strongly 

 barred flanks. Inside of wings banded. Bars 

 on tail one-fourth their interspaces. Wing 

 coverts spotted, and scapulars banded with 

 whitish ........ hrunneiconis. 



B. Tail very short ; only about two-thirds the wing. 



a. Pale reddish-brown ; dusky bars of upper parts 



with whitish spots or interspaces . . . hjemalis. 

 Dark rufous above and below ; upper parts with 

 few or almost no whitish spots . . . hyemalis, var. 



j}ac>Jicus. 



intermedins. 



inqidetiis. 



b. 



a. Troglodytes. 



Troglodytes aedon. 



Troglodytes acdon, Vieill. Ois. Am. Sept. II, 1807, 52, pi. cvii. — Ib. 

 Nouv. Diet. XXXIV, 1819, 506.— Baird, Birds N. Am. 1858, 366.— 

 ScLATER, Catal. 1861, 22, no. 145. — Hylemathrous aedon, Cab. Jour. 

 1860, 407. 



• The South American species resemble those mentioned in this division ; 

 but beneath are either banded slightly on the crissum only, or not at all even 

 there. 



