514 BULLETIN '50, UNITED STATES NATIONAL MUSEUM. 



Adxlt //wrZe.— Leno-th (.skins), 119-137 (138); wing, 66-71 {^^)\ tail, 

 50-56 (53); exposed culmen, 9-11 (10); tarsus, 20; middle toe, 11-12 

 (11.3)/ 



Achdt female.— l^ength (skins), 111-117 (114.6); wing, 62-66 (64.3); 

 tail, 48-50 (48.6); exposed culmen, 10; tarsus, 20; middle toe, 11.^ 



Central Mexico, in States of Guanajuato (Moro Leon), Tlaxcala 

 (Apixaco), Michoacan (Patzcuaro), and Morelos (Cuernavaca). 



Dendroica duged Coale, Bull. Ridgway Orn. Club, no. 2, Apr., 1887, 83 (Moro 



Leon, Guanajuato, Mexico; coll. U. S. Nat. Mus. ). 

 D\_endroica'\ dn(je>ii Ridgway, Man. N. Am. Birds, 1887, 495. 



DENDROICA ^ESTIVA RUBIGINOSA (Pallas). 

 ALASKAN YELLOW WARBLER. 



Similar to I>. (f. (i',.stira, ])ut slightly smaller and nuu-h duller in 

 color. Adult male darker and duller olive-green above, the pileum 

 concolor with the back or else becoming slightly more ^^ellowish on 

 foi'chead (very rarely distinctly yellowish on forehead and fore part 

 of crown); wing-edgings less conspicuous, mostly yellowish olive-green, 

 sometimes inclining to yellow on greater coverts. Adult female darker 

 and duller olive-greenish above, duller yellow below. 



Ad u7f male.— Length (skins), 102-113 (108.6); wing, 61-63 (61.9); 

 tail. 40-46 (43.1); exposed culmen, 10; tarsus, 17-19 (18); middle toe, 

 11.- 



Adidf female.— Length (skins), 99-110 (106); wing, 57-62 (59.2); tail, 

 41-44 (43.2); exposed culmen, 10; tarsus, 17-19 (18); middle toe, 10-11 

 (10.8).^' 



Alaska in general, both along the coast and throughout interior, and 

 southward to Vancouver Island; migrating southward to southern 

 California, central Texas, and Nicaragua. 



MoUtciUa ruhiginom Pallas, Zoogr. Rosso-Asiat., i, 1826, 496 (Kadiak Island, 

 Alaska). 



Dendroica a'stira. mdiig'niom Oberholsek, Auk, xiv, Jan., 1897, 76 (synonymy; 

 descr. ; crit. ). — American Ornithologists' Union Committee, Auk, xiv, 1897, 

 123. — Grinnell, Auk, xv, 1898, 129 (Sitka). — Nelson, N, Am. Fauna, no. 

 14, 1899, 56 (Tres Marias Islands, May).— Bishop, N. Am. Fauna, no. 19, 

 1900, 89 (Bennett, Caribou Crossing, etc., Alaska). — Osciooo, N. Am. Fauna, 

 no. 21, 1901, 49 (Queen Charlotte Islands, British Columbia). 



Dnidroka ivstiva (not Motacilla mstira Gmelin) Dall and Bannister, Trans. Chi- 

 cago Ac. Sci., i, 1869, 278 (Fort Yukon, 8t. Michaels, etc., Alaska).— Dall, 

 Am. Nat., iv, 1870, 600. — Baird, Brewer, and Ridgway, Hist. N. Am. Birds, 

 i, 1874, 222, part (Kadiak; Fort Yukon).— Tlrner, Contr. Nat. Hi.st. Alaska, 

 1886, 178.— TowNSEND, Cruise "Corwin" in 1885 (1887), 94 (Kowak R., 

 Alaska); Auk, iv, 1887, 14 (Kowak R. ). — Nelson, Rep. Nat. Hist. Coll. 

 Alaska, 1887, 201.— (?) Rhoads, Froc. Ac. Nat. Sci. Phila., 1893, 54, part 

 (coast British Columbia). — Ridgway, Proc. U. S. Nat. Mus., xvi, 1893, 664 

 (Middleton I., Alaska). 



' Three specimens. '■' Ten specimens. ■* Five specimens. 



