144 



xNOKTlI AM1-;U1CA.\ JUHD8. 



.son.e are ,nore oblon^^ than otl.ors. Their lo,,,4h x aries (rn,.. .To t<. 70 of an 



u m T '' """"i:^' "''■' '"''^■'""^ "f I'"'I'^<^' «l"te, reddish-brown. 



a id nt ./ r ^'""r^""'^ l'-"^' -1"'% ^'i"u-J. "»ul are not n.ore 

 abunUant at the larger end than elsewhere. 



Thryothorus ludovicianus, Nar berlandieri, (ouch. 



BEBLANOIEB'S WBEN. 



Sp. r.iAH. Kxposcl portion „n,ill ,u.,iHv as Ion- us tlio l,..n.l Ah„v i i 

 brown, n.ost vivi.l on the nnn,,. A ^y\Msh .fv.k m- ■ 1, . . ,' T '■"''•^'" 



IIah. A'alli'v of J{io Grande. ■" > > , -•- 



Tl)e distinctive features of this race will be found indicated on pac^e 141 

 T us orm bears to the T. Indovirian,. about the same relation thK, 1: 



ti^fZ '''T' '"" ;" "■ ''''''"' ' ""^ ^^ ''"'-^'^^ *« ^« considered; r 

 ened bill and deej-er color belong to the Kio Grande. It has not yet been 

 met with north of the Eio (Grande, but doubtless extends into Texas Not" 

 mg IS known of its habits. 



StrnoExu.s 



THRYOMANES, Soiat. 



'''"'■""' '' ^'•'■"™"' ^'^^''l- A-"- ^i-'J^. 1««1. ^1- (Type rrooloU,lesl,,cicm.) 



Thryothorus bewirkii. 



There aie three strongly marked geograi^hi- 

 cal \arieties of " Bewick's Wien," separable 

 by quite constant cliaracters. Of these the 

 Afcxican {lairof/askr) and the typical form 

 from eastern North America {hcwld-ii) difier 

 niost in coloration, wiiile the western {hiuIii- 

 ri(s) is intermediate in this resi)ect, but witli 

 a longer bill than in tlie otlier two. Tjiu ])e- 

 culiarities of tlie three forms are exjiressed 

 on page 141. 



