5G2 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Mts., Lower California); Auk, xii, 1895, 143 (San Fernando, Lower Cali- 

 fornia, breeding). — Grinnell (J.), Pub. 2, Pasadena Ac. Sci., 1898, 48 

 (Los Angeles Co., California, resident); Auk, xv, 1898, 236 (Santa Catalina 

 Island, California, Dec). 



Tlhnjothorux'] hewickli spilurus Ridgway, Man. N. Am. Birds, 1887, 551, part. 



Thryomanes bcwickii charienturvK Oherholsek, Proc. U. S. Nat. Mus., xxi, no. 

 1153, Nov. 19, 1898, 435 (Nachoguero Valley, Lower California; coll. U. S. 

 Nat. Mus.); xxii, 1900, 233 (Santa Catalina I.; crit. ). — American Orni- 

 thologists' Union Committee, Auk, xviii, 1901, 307 (check list no. 719rZ). 



Tlhryomancs] b\_e\dckii\ charienturus Bailey (Florence M. ), Handb. Birds \V. 

 U. S., 1902, 447. 



Thryomanes hewicki charienUirus Grinnell, Check List Birds Calif., 1902, 69. 



THRYOMANES BEWICKII CERROENSIS (Anthony). 

 CERROS ISLAND WREN. 



Similar to T. h. charienturws^ but slightly smaller (the ])ill decidedly 

 so) and coloration slightly paler and gra^^er. 



Adult male. — Length (skin), 121; wing, 5L; tail, 52; tarsus, 19; 

 middle toe, 12.^ 



Adult female.— IjQngth. (skins), llJ-119 (116.5); wing, 48-51 (49.5); 

 tail, 47-50 (48.5); exposed culmen, 12.5-18 (12.7); tarsus, 18; middle 

 toe, 12.^ 



Cerros Island, Lower California. 



Thryomanes hewicki spilurus (not Troglodytes spilurus Vigors) Belding, Proc. 

 U. S. Nat. Mus., V, 1883, 531 (Cerros I.). 



Thryotliorus hewicki hairdi (not Thryothorus hairdi Salvin and Godman) Town- 

 send (C. H.), Proc. U. S. Nat. Mus., xiii, 1890, 138 (Cerros I.). 



Thryothorus cerroensis Anthony, Auk, xiv, Apr., 1897, 166 (Cerros I., Lower 

 California; coll. A. W. Anthony). 



Thryomanes bewickii cerroensis Oberholser, Proc. U. S. Nat. Mus., xxi, Nov. 19, 

 1898, 445 (monogr.). 



THRYOMANES BEWICKII NESOPHILUS Oberholser. 

 SANTA CRUZ WREN. 



Similar to T. h. charienturus., but slightly browner (the flanks decid- 

 edly so), tail shorter, and bill longer. 



Adult male.-hQngih (skins), 114-126.5 (121.1); wing, 51.5-53.5 

 (52.5); tail, 46.5-51.5 (48.9); exposed culmen, 14.5-15.5 (15); tarsus, 

 19-19.5 (19.8); middle too, 11.5-12.5 (12.2).'- 



Adult female.— hQugtli (skins), 115-119 (117); wing, 50-52 (51); 

 tail, 48-49(48.5); exposed culmen, 14.5; tarsus, 19.5-20 (19.7); middle 

 toe, 11.5-12.5 (12).^^ 



''One specimen, with tip of maxilla broken off. 



''Two spe(;imens. Two other specimens (including the type) examined, but these 

 with sex undetermined. 

 c Five specimens. 

 d Two specimens. 



