BIRDS OF WORTH AND MIDDLE AMERICA. 411 



» 



Flarus] {Poeoile) gamhdi Hellmayk, Tierreich, 18 Lief., March, 1903, 51. 

 Pams gambett thayeri Bietwell, Auk, xviii, April, 1901, 166 (near Albuquerque, 

 New Mexico; coll. F. J. Birtwell)." 



PENTHESTES CINCTUS ALASCENSIS (Prazik). 

 ALASKAN CHICKADEE. 



Similar to P. c. ohtecttis * but with decidedly smaller bill and slightly 

 darker coloration. Similar to P. hudsonicus but sides of fteck white 

 instead of gray, and coloration paler throughout. 



Adults in sj>ring and summer. — Pileum and hindneck plain, deep drab- 

 gray, becoming much darker on loral and postocular regions; back, 

 scapulars, lesser wing-coverts, rump, and upper tail-coverts plain drab, 

 slightlj"^ paler and more buffy posteriorly, wings and tail slate color 

 with pale slate-gray edgings, these broader and nearly, if not quite, 

 white on tertials; malar region, chin, and throat plain dark, sooty 

 brown or very dark sepia, the feathers of lower throat broadly tipped 

 with white; sides of head and neck, between the dusky gular area and 

 grayish brown pileum, white; chest and median portion of breast and 

 abdomen, white; sides and flanks pale wood brown or brownish buff, 

 the under tail-coverts similar, but paler; bill dusky horn color; iris 

 brown; legs and feet brownish dusky (grayish in life ?). 



Adults hi autumn and winter. — Sirhilar to the spring and summer 

 plumage, but very slightly deeper in color. 



Adult «?,aZe.— Length (skins), 121.6-138.5 (131.3); wing, 69-70 (69.5); 

 tail, 65.5-68 (66.5); culmen, 9-9.5 (9.2); tarsus, 15.5-16.5 (15.8); mid- 

 dle toe, 8.5-9.5 (9).^ 



Adult female.— ^mg, 65.5-69.5 (67.5); tail, 63-68 (65.6);'^ culmen, 

 9;« tarsus, 16;" middle toe, 8.^ 



Northern Alaska (St. Michael, vallej^ of Kowak River, etc.) and 

 eastward to northern Mackenzie (Fort Anderson, breeding); shores of 

 Okhotsk Sea, northeastern Asia?-^ 



Parus cinctus (not of Boddaert) Ridgway, Bull. Nutt. Orn. Club, ii, Jan., 1878, 

 37 (St. Michael, Alaska); Proc. U. S. Nat. Mus., iii, 1880, 13, 168, 215, 230 

 (do); Nom. N. Am. Birds, 1881, no. 44.— Allen, Bull. Nutt. Orn. Club, v, 



«The type now in the United States National Museum collection. The only reason 

 for considering this specimen different from P. gamheli consists in its dusky colora- 

 tion, obviously caused by contact with charred trees. 



^ See foot note on page 396. 



« Three specimens. 



''Two specimens. 



« One specimen. 



/Specimens from the Asiatic side not seen, but the above locality (Okhotsk) given 

 by Prazdk in his original description. 



