514 PULLETIN 50, UWITED STATES NATIONAL MUSEUM. 



Aakat /yia^e.— Length (skins), 119-137 (138); wing, 66-71 (68); tail, 

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

 (11.3)/ 



Achdt female.— 'h^xigiYi (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 dugesi Coalb, Bull. Ridgway Om. Club, no. 2, Apr., 1887, 83 (Moro 



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

 D\_endroica\ dugesi Ridgway, Man. N. Am. Birds, 1887, 495. 



DENDROICA >ESTIVA RUBIGINOSA (Pallas). 

 ALASKAN YELLOW WARBLER. 



Similar to D. m. mstiva, but slightly smaller and much duller in 

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

 concolor with the back or else becoming slightly more yellowish on 

 forehead (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. 



Adult v/iafe— 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.= 



Ad/idt 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. 



Motacilla rubiginosa Pallas, Zoogr. Rosso- Asiat. , i, 1826, 496 (Kadiak Island, 

 Alaska). 



Dendroica lesiiin rubiginosa Oberholsee, 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). — Osgood, N. Am. Fauna, 

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



Dendroica ."estiva (not Motacilla lestiva Gmelin) Dall and Bannister, Trans. Chi- 

 cago Ac. Sci., i, 1869, 278 (Fort Yukon, St. Michaels, etc., Alaska).— Ball, 

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

 i, 1874, 222, part (Kadiak; Fort Yukon).— Turner, Contr. Nat. Hist. Alaska, 

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

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

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

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

 (Middleton I., Alaska). 



' Three specimens. " Ten specimens. 'Five specimens. 



