412 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



1880, 89.— CouES, Check Liyt, 2d ed., 1882, no. 52.— McLenegan, Cruise 



"Corwin," 1884, 113 (Kowak R., Alaska). 

 P[ar«.s] cinctus Coues, Key N. Am. Birds, 2d ed., 188-4, 267. 

 Parus cinctus obtectus (not Parv.sobtectu>; Cabani^) Ridgway, Proc. U. S. Nat. Mus., 



viii, Sept. 2, 1885, 354. — American Ornithologists' Union, Check List, 1886, 



no. 739.— Macfarlane, Proc. U. S. Nat. Mus., xiv, 1891, 445 (Fort 



Anderson, Mackenzie, breeding; descr. nest). 

 P\_arus'] cinctus obtectus Ridgway, Man. N. Am. Birds, 1887, 564. 

 P[arus'\ {Pof'cile) cinctus obtecins Hellmayr, Tierreich, 18 Lief., Mar., 1903, 70, 



part. 

 Poecifa obtectd (tlascciisis Pkazak, Orn. Jaiirb., vi, Heft 2, ^Iar.-A|>r., 1895,92 



(Alaska; Ochotsk). 

 Plarus] cinctus alascensis Ridgway, Man. N. Am. Birds, 2d ed., 1896, 564. 

 Parus cinctvs alascensis American Ornithologists' Union Committee, Auk, xiv, 



1897, 132.— Grinnell (J.), Pacific Coast Avifauna, no. 1, 1900, 59 (Kowak 



R., Alaska). 



PENTHESTES HUDSONICUS HUDSONICUS (Forster). 

 HUDSONIAN CHICKADEE. 



Adidtx in spring and Huninicr. — Pileiiin aud hindneck plain, soft 

 grayish brown (varying- from drab or broccoli brown to pale sepia,'* 

 darker on loral and or)>ital regions; back, scapulars, lesser wing- 

 coverts, rump, and upper tail-coverts hair l)rown, often much 

 tinged with drab or broccoli brown, e.specially on back and scapu- 

 lars; wings and tail dull slate color with slate-gray edgings, then 

 becoming whitish on middle portion of longer primaries; rictal 

 and suborbital regions white, gradually shading into pale gray on 

 auricular region and this into clear gray (no, 6) or olive-gray 

 on sides of neck; malar region, chin, and throat uniform sooty black; 

 under parts of body white medially, the sides of chest shaded with 

 gray, the sides and flanks cinnamon-brown, the under tail-coverts 

 similar l)ut paler; bill black; iris brown; legs and feet dusky (bluish 

 gray in life). 



Adidts in autunm and winter. — Similar to the spring and summer 

 plumage, but colors rather deeper. 



Young. — Essentiall3'^ like adults, but texture of plumage different 

 (more lax) and color of sides and flanks paler and duller. 



Adult 7/i«^e.— Length (skins) 111.5-137.5 (126.9); wing, 60-70(66.2); 

 tail, 58.5-70 (64.1); culmen, 8-9.5 (9); tarsus, 16-17.5 (16.9); middle 

 toe, 8.5-9.5 (9).* 



Adult female. ~\j^n^\k (skins), 117.5-132.5 (127.4); wing, 62.5-68 



«The average color is not closely approximated by any hue ou plate iii of Ridg- 

 way's Nomenclature of Colors, that coming nearest being drab or broccoli brown, 

 both of which are much too pale, except for specimens in considerably worn or faded 

 plumage. 



^ Nineteen specimens. 



