CISTOTIIORVS. 555 



brighter (a burut-umbor tint) on rump and upper tail-coverts, the wings 

 and tail (often rump and back also) narrowly barred with dusky; outer 

 webs of quills spotted with dusky and pale brownish or brownish white; 

 su])erciliar3- stripe and lower parts pale Isabella brownish, varying to 

 dull light tawny, the belly, flanks, and under tail-ooverts distinctly 

 barred with blackish and whitish. 

 c'. Paler, with rather shorter bill ; chin, throat, chest, and breast pale dull 

 isabella-color, sometimes inclining to dull brownish white anteri- 

 orly ; upper parts more rusty brown ; length 3.50-4.12, wing 1.75- 

 2.00 (l.SG), tail 1.15-1.40 (1.25), exposed culmen .38-.45 (.41), bill 

 from nostril .30-.32 (.30), tarsus .65-.75 (.GS). Eggs .09 X -50. 

 Hab. Eastern Xorth America, breeding from northern border of 

 United States northwai-d, and wintering from about its southern 

 breeding limit southward. 



722. T. hiemalis Yieill. Winter "Wren. 

 c'. Darker, with rather longer bill ; chin, throat, etc., deep isabcUa-color or 

 dull tawny ; upper parts darker, and less rusty, brown (almost a 

 clear bistre shade anteriorly); length 3.60-4.25, wing 1.80-1.90 

 (1.84), tail 1.20-1.35 (1.24), exposed culmen .40-.45 (.42j, bill from 

 nostril .29-.35 (.31), tarsus .65-.70 (.69). Eggs .60 x --IS. Hab. 

 Pacific coast, breeding from southern coast ranges of California to 

 Sitka; south, in winter, to western Mexico, east to eastern Oregon, 

 Nevada, etc. 



722rt. T. hiemalis pacificus Baird. Western Winter Wren. 

 h-. E.xposed culmen .55, or more ; in plumage verj' similar to T. hiemalis pacifi- 

 cus, but rather paler, especially on upper parts; length about 4.25—4.50, 

 wing 2.05-2.15 (2.07), tail 1.30-1.50 (1.40), exposed culmen .55-.62 (.59), 

 bill from nostril .40-.48 (.45), tarsus .70-.80 (.75). Hab. Aleutian and 

 Prybilof Islands, Alaska.... 723. T. alascensis Baird. Alaskan Wren. 



Gents CISTOTHORUS Cabanis. (Page 540, pi. CXXI., figs. 6, 9.) 



Species. 



Common Characters. — Above brown, the back streaked with black and white, 

 the wings and tail more or less barred with blackish ; lower parts whitish or 

 buflr\-. JS'est globular, with entrance in one side, attached to upright reeds, etc., 

 in marshes. 



a'. Bill much shorter than head, the culmen much shorter than niid<lle toe, with- 

 out claw ; hind claw not longer than its toe ; lower parts buffy, or ochra- 

 ccous, more whitish on throat and bellj-; eggs pure white, unspotted. 

 (Subgenus Cistothorus.) 

 6'. Upper tail-coverts dull brown, distinctly barred with dusky ; rump similar, 

 but more irregularly barred ; hind-neck plain brownish, or (rarely) with 

 verj- indistinct streaks; flanks and under tail-coverts dull buffy ochra- 



