BIRDS OF NORTH AND MIDDLE AMERICA. 375 



MELOSPIZA CINEREA CAURINA Ridgway. 

 YAKTJTAT SONG SPARROW. 



Similar to 3L c. rufina but with decidedly longer and more slender 

 bill and gra^-er coloration; the superciliary stripe, middle portion of 

 auricular region, sides of neck, hindneck, and edges of interscapulars 

 decidedly gray, in more or less strong contrast with the brown mark- 

 ings; streaks on chest, etc., dark seal brown, and ground color of flanks 

 olive-grayish. Young", above deep grayish brown or sooty brown, 

 the back broad h' and distinctl}' streaked with black or sooty black; 

 pileum dark sooty brown with a very indistinct median streak of sooty 

 grayish; streaks on chest, etc., %oots blackish. 



Adult ;/i«^e.— Length (skins), 144.78-165.10 (153.92); wing, 70.87- 

 73.66 (72.39); tail, 63.50-71.37 (67.06); exposed culmen, 12.70-14.22 

 (13.21); depth of bill at base, 6.35-6.86 (6.60); tarsus, 22.86-25.15 

 (23.88); middle toe, 16.76-18.29 (17.78).^ 



Adult female. —lu^^^Wi (skins), 146.05-160.78 (152.15); wing, 67.31- 

 70.61 (68.83); tail, 62.48-66.55 (64.77); exposed culmen, 12.70-13.97 

 (12.95); depth of bill at base, 6.10-7.11 (6.60); tarsus, 22.61-23.88 

 (23.11); middle toe, 16.76-18.03 (17.27).' 



Coast of the St. Elias district of Alaska, from Yakutat Bav to Lituva 

 Bay. 



Melos2)izafasciatu rufina (not Passerella rufina Bonaparte) Nelson, Rep. Nat. Hist. 



Coll. Alaska, 1887, 192, part (Lituya Bay). 

 Melospiza fusciata caurina Ridgway, Auk, xvi, Jan., 1899, 36 (Yakutat, Alaska; 



U.S.Nat.Mus.). 

 Melospiza melodia caurina Oberholser, Auk, xvi, Apr, 1899, 183. 



MELOSPIZA CINEREA KENAIENSIS Ridgway. 

 KENAI SONG SPARROW. 



Intermed.cite between JL c. caurina and JL c. insignis; larger 

 than the former, with upper parts more uniform in color (streaks on 

 back, etc., less distinct); smaller and browner than the latter, with 

 streaks on chest, etc., darker. Young, much resembling that of M. c. 

 insignis.1 but more heavih^ streaked below; much paler and browner 

 above than young of 21. c. caurina., with streaks on back much nar- 

 rower, those on chest, etc., much browner. 



Adult ;/?«?e.— Length (skins), 160.02-168.15 (164.08); wing, 76.71- 

 80.01 (78.23); tail. 72.14-72.64 (72.39); exposed culmen, 13.21-14.22 

 (13.72); depth of bill at base, 7.11-7.62 (7.37); tarsus, 25.91; middle 

 toe, 18.54-19.05 (18.80).' 



Adult femcde. — Length (skin), 164.59; wing, 78.23; tail, 75.44; 

 exposed culmen, 13.97; tarsus, 25.40; middle toe, 18.03.* 



^Ten specimens -Five specimens. 'Two specimens. *One specimen. 



