60'2 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



OLBIORCHILUS HIEMALIS HELLERI (Osgood). 

 K4DIAK WREir. 



Similar to 0. h. pacifious, but decidedly larger, with feet smaller, 

 tail relatively shorter, and coloration duller. 



Adult TOfl/e.— Length (skins), 99-104 (101); wing, 49-49.5 (49.2); 

 tail, 30-33 (31.5); exposed culmen, 12.5-13 (12.7); tarsus, 16:6-17.5 

 (17); middle toe, 12-12.5 (12. 2). « 



Kadiak Island, Alaska (resident). 



Troglodytes (dascensis (not of Baird) Finsch, Abb. Nat. Ver. Brem., iii, 1872, 30 



(Kadiak Island, Alaska) .—Turner, Contr. Nat. Hist. Alaska, 1886, 181, part 



(Kadiak). 

 Troglodytes hiemalis padficus (not Troglodytes hyemalis var. padjwus Baird) 



Stbjnegek, Zeitschr. ges. Orn., i, 1884, 12 part (Kadiak).— Nelson, Rep. 



Nat. Hist. Coll. Alaska, 1887, 210, part (Kadiak).— Kidgway, Proc. V. S. 



Nat. Mus., xvi, 1893, 664 (Kadiak; descr. young). 

 Anorthura hiemalis helleri Osgood, Auk, xviii, Apr., 1901, 181 (English Bay, near 



Kadiak Island, Alaska; coll. U. S. Nat. Mus). — American Ornitho'logists' 



Union Committee, Auk, xviii, 1901, 307 (check list no. 7226). 

 Olbiorchilus hiemalis helleri Oberholser, Auk, xix, Apr., 1902, 179. — American 



Ornithologists' Union Committee, Auk, xix, 1902, 329. 



OLBIORCHILUS ALASCENSIS (Baird). 

 TTNALASKA WREN. 



Similar to 0. h. hdle)'i, but much larger, with relatively longer bill, 

 and coloration paler. 



Adults (sexes alike). — Above plain tawny -brown (between dark broc- 

 coli brown and russet), duller on pileum, more rufescent on rump and 

 upper tail-coverts, the latter sometimes narrowly and indistinctly 

 barred with dusky;* feathers of rump with concealed spots or streaks 

 of white, their basal portion slate color; tail clear russet-brown, rather 

 broadly barred with dusky; wings russet-brown barred with dusky, the 

 outermost primaries with the dusky bars broader and the interspaces 

 whitish; tertials margined terminally with pale rusty brown or cin- 

 namon; tip of middle coverts (sometimes of greater coverts also) with 

 a small spot of white; a narrow and rather indistinct superciliary stripe 

 of pale cinnamon-buff; a rather broad, more or less well defined, post- 

 ocular stripe of brown, occupying upper part of auricular region; 

 suborbital region and lower portion of auricular region cinnamon- 

 buff, streaked (more or less distinctly) with brown; malar region, chin, 

 throat, chest, breast, and upper abdomen buffy cinnamon or cinnamon- 

 buff; lower abdomen similar, but paler and more or less speckled and 

 baiTcd with dusky ; sides and flanks deeper cinnamon or light cinna- 

 mon-brown, barred with dusky and whitish (the latter sometimes in 



«Two specimens. Two others, with sex undetermined, measure as follows: Wing, 

 45.5-47; tail, 30; exposed culmen, 12-12.5; tarsus, 17.5; middle toe, 12.5-13. 

 6 Very rarely there are traces of darker bars on the rump also. 



