602 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



OLBIORCHILUS HIEMALIS HELLERI (Osgood). 

 KADIAK WREN. 



Similar to O. h. pacificus, but decidedl}" larger, with feet smaller, 

 tail relatively shorter, and coloration duller. 



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

 tail, 30-33 (31.5); exposed culmen, 12.5-13 (12.7); tarsus, 16.5-1T.5 

 (IT); middle toe, 12-12.5 (12.2).« 



Kadiak Island, Alaska (resident). 



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



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



(Kadiak). 

 Troglodijlex hiemulia pacificus (not Troglodytes hijemalis var. pacificus Baird) 



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



Nat. Hist. Coll. Alaska, 1887, 210, part (Kadiak).— Ridg way, Proc. U. 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 Ornithologists' 



Union Committee, Auk, xviii, 1901, 307 (check list no. 722/^). 

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



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



OLBIORCHILUS ALASCENSIS (Baird). 

 UNALASKA WREN. 



Similar to O. h. helleri^ but much larger, with relatively longer bill, 

 and coloration paler. 



Adults {sexes al/ke).^ Above plain tawn\'-l)rown (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-butf; a rather broad, more or loss well detined, post- 

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

 suborbital region and lower portion of auricular region cinnamon- 

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

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

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

 barred with dusky; sides and tfanks 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; expo.sed culmen, 12-12.5; tarsus, 17.5; middle toe, 12.5-13. 

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



