250 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



parts, however, usuall}^ 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 maZ^.— Length (skins), 202-218 (210.4); wing, 94-99 (98); 

 tail, 93-101 (97.8); exposed culmen, 15-16 (15.2); tarsus, 26.5-28 

 (27.6); middle toe, 16-17 (16.9).« 



Adult female.— \^QUg\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). 

 Lanhis excubitorides (not of Swainson) Sclater, 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).— RiDG WAY, Proc. U. S. Nat. Mus., i, 1879, 391 (Murphys, 



Calaveras Co., California). 

 Collyrioexcubitorides'Bxi'RT), Rep. Pacific R. R. Surv., ix, 1858, 327, part (Presidio, 



Petaluma, Santa Clara, San Jose, Tulare Valley, and FortTejon, California); 



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



Phila., 1859, 191 (Fort Tej on).— Cooper, Proc. Cal. Acad. Sci., 1870, 75. 

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



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

 [Collurio ludomdanus] Var. excuhitoroides Coues, Key N. Am. Birds, 1872, 125, 



part. 

 Collurio ludovicianus . . . excubitoroidesCovES, Checklist, 1873, no. ISoa, part — . 

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



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

 Collurio ludovicianus (excuhitoroides f) Ridgway, Bull. Essex Inst., vi, 1874, 171 



(Sacramento, California, breeding). 

 Collurio ludovicianus .../?. excubitoroides Ridgway, Orn. 40th Parallel, 1877, 



453, part (Sacramento, California). 

 Collurio ludovicianus var. excuhitoroides . . . h. excuhitoroides Coves, Birds 'N. W., 



1874, 102, part. 

 {Lanius ludovicianus excubitorides'] b. excubitorides Coves, Birds Col. Val., 1878, 



562, part. 

 Lanius ludovicianus excubitorides Coues, Birds Col. V^al., 1878, 561, part; Check 



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



I49o, part. — American Ornithologists' Union, Check List, 1886, no. 622a, 



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



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



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



California, breeding). 



« Ten specimens. 

 6 Five specimens. 



c Specimen in Biological Survey collection, which also contains two from Alamos, 

 Sonora (December 29 and January 27). 



