250 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



parts, however, usually either browner than in other forms or with 

 more or less distinct transverse bars or vermiculations of. pale gray or 

 brownish gray on chest and sides of breast. 



Adult mafe.— Length (skins), 202-218 (210.4); wing, 94^99 (98); 

 tail, 93-104 (97.8); exposed culmen, 15-16 (15.2); tarsus, 26.5-28 

 (27.6); middle toe, 16-17 (16.9).« 



Adult female.— Li&n^\h (skins), 202-205 (203); wing, 95-97(96.4); 

 tail, 93-98 (95.6); exposed culmen, 14.5-15 (14.8); tarsus, 27-28.5 

 (27.6); middle toe, 17-17.5 (17.3).* 



Coast and interior valleys of northern Lower California, California, 

 Oregon, Washington, and southern British Columbia; south in winter 

 to Cape San Lucas, and through western Mexico as far as the State of 

 Morelos (Cuernavaca, January 10). '^ 



Lanius elegans (not of Swainson) Gambel, Proc. Ac. Nat. Sci. Phila., i, 1843, 



261 (California). 

 Lanius exculitorides (not of Swainson) Sclatek, Proc. Zool. Soc. Lond., 1857, 



126 (San Jos6, California). 

 Lanius excubitoroides Heermann, Rep. Pacific R. R. Surv., x, pt. iv, no. 2, 1859, 



■55 (California).— RiDGWAY, Proc. U. S. Nat. Mua., i, 1879, 391 (Murphys, 



Calaveras Co., California). 

 CoUyrio excubitorides Baibd, Rep. Pacific R. R. Surv., ix, 1858, 327, part (Presidio, 



Petaluma, Santa Clara, San Jos6, Tulare Valley, and Fort Tejon, California); 



Cat. N. Am. Birds, 1859, no. 238, part.— (?) Xantus, Proc. Ac. Nat. Sci. 



Phila., 1859, 191 (Fort Tejon).— Coopek, Proc. Cal. Acad. Sci., 1870, 75. 

 Collurio excubitoroides Baird, Review Am. Birds, Aug., 1866, 445, part (San 



Francisco, etc., California). — Cooper, Orn. Cal., 1870, 138, part. 

 {Collurio ludomeianusl Var. excubitoroides CotiES, Key N. Am. Birds, 1872, 125, 



part. 

 Collurio ludomdanus . . eaJCMWiOTOidesCouES, Check List, 1873, no. 135a, part — . 

 Collurio ludovidanus, var. excubitoroides Baird, Brewer, and Ridgway, Hist. N. 



Am. Birds, i, 1874, 421, part. 

 Collurio ludovidanus {excubitoroides?) Ridgway, Bull. Essex Inst., vi, 1874, 171 



(Sacramento, California, breeding). 

 Collurio ludovidanus . . . fi. excubitoroides Ridgway, Om. 40th Parallel, 1877, 



453, part (Sacramento, California). 

 Collurio ludovidanus \ax. excubitoroides . . . b. excubitoroides Coves, Birds N. W., 



1874, 102, part. 

 [Lanius ludovidanus excubitqrides'] b. excubitorides CouES, Birds Col. Val., 1878, 



562, part. 

 Lanius ludomdanus excubitorides Coues, Birds Col. Val., 1878, 561, part; Check 



List, 2d ed. 1882, no. 188, part.— Ridgway, Nom. N. Am. Birds, 1881, no. 



149a, part. — American Ornithologists' Union, Check List, 1886, no. 622a, 



part.— (?) Evbbmann, Auk, iii, 1886, 184 (Ventura Co., California).— 



(?) Lawrence (R. H.), Auk, ix, 1892, 46 (Grays Harbor, AVashington).— 



Mbrriam (Florence a.), Auk, xiii, 1896, 121 (Twin Oaks, San Diego Co., 



California, breeding). 



« Ten specimens. 

 b Five specimens. 



'^ Specimen in Biological Survey collection, which also contains two from Alamos. 

 Sonora (December 29 and January 27). 



