BIRDS OF NORTH AND MIDDLE AMERICA. 251 



CoUurio ludoricinnus, /J. excubitorides Ridgway, Proc. U. S. Nat. Mns., i, 1879, 

 411 (Stockton, etc., California). 



L[an'm>f\ ludovicianus gamhdi Ridgway, Man. N. Am. Birds, 1887, 467 (California; 

 U. S. Nat. Mus.). 



Lanius ludovicianui^ gambeU Ridgway, INlan. N. Am. Birds, 1887, 592; 2d ed., 1896, 

 614.— Chapman, Auk, v, 1888, 399.— Brewsteh, Auk, x, 1893, 237 (Chilli- 

 wac'k, British Columbia; crit.); Bull. Mus. Comp. Zool., xli, 1902, 172 (Cape 

 St. Lucas district, winter). — American Ornithologists' Union, Check List, 

 2d ed., 1895, no. 622?).— Anthony, Auk, xii, 1895, 142 (San Fernando, Lower 

 California). — Grinnell (J.), Pub. ii, Pasadena Acad. Sci., 1898, 43 (Los 

 Angeles Co., California, resident). — Brooks, Auk, xvii, 1900, 107 (Chilli- 

 wack, British Columbia).— Atkinson (W. L. ), Condor, iii, 1901, 9 (Santa 

 Clara Co., California; nesting habits). 



L\anius] l{_udovickinuif\ gambeli Bailey (Florence M.), Handb. Birds W. U. S., 

 1902, 393. 



(?) Lanius ludovicianus (not of Linnaeus) Ornithological Committee, Journ. Ac. 

 Nat. Sci. Phila., vii, 1837, 193 (Columbia R.).— Townsend (J. K.), Journ. 

 Ac. Nat. Sci. Phila., viii, 1839, 152 (Columbia R.). 



Lanius ludovicianus Gambel, Journ. Ac. Nat. Sci. Phila., n. s., i, 1847, 44, part 

 (California); Proc. Ac. Nat. Sci. Phila., iii, 1847, 200 (California).— Town- 

 send (C. H.), Proc. U. S. Nat. Mus., x, 1887, 222 (Red Bluff and Mount 

 Lassen, n. California). 



CoUurio ludoddanus Ridgway, Bull. Nutt. Orn. Club, iii, 1878, 66 (centr. Cali- 

 fornia); Proc. U. S. Nat. Mus., i, 1879, 411 (Marysville and Summit 

 Meadows. California). 



LANIUS LUDOVICIANUS ANTHONYI Mearns. 

 ISLAND SHRIKE. 



Darkest of all the forms of this species. Similar \u coloration to 

 L. I. ludovicianus^ but ""ray of upper parts still darker (nearly slate 

 color), especially on pileum, and more uniform, the scapulars almost 

 wholly deep gray; white spot at base of primaries nuich smaller: 

 under parts of body much more strongly tinged with gray, ])ecoming 

 distinctly graj' (about no. 6) on sides and flanks; lateral rectrices with 

 much less of white, this extending only about 22 mm. from the tip on 

 inner web of exterior rectrix. 



Adult female. — Length (skin), 206; wing, 95; tail. !>.■); exposed 

 culmen. 15; tarsus, 28; middle toe, 17/' 



Santa Cruz Island (Santa Barbara group), southern California. 



[CoUurio ludovicianus'] ludovicianus (not Lanius ludovicianus I^iniuous) Henshaw, 

 Rep. Wheeler's Surv., 1876, App. Hs, 237 (Santa Cruz I., California; crit.''). 



Lanius ludoriciauus excubitorides (not Lanius excubitorides Swainson) Bi.ake, Auk, 

 iv, 1887, 330 (Santa Cruz L). 



Lanius ludovicianus antlionyi 'Meab.^s, Auk, yiv, July, 1898, 261 (Santa Cruz 1., 

 Santa Barbara group, California; coll. U. S. Nat. Mus.). — A.merican Orni- 

 thologists' Union Comjiittee, Auk, xvi, 1899, 122 (Check List no. 622c). — 

 Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, 233 (Santa Cruz I.; crit.). 



«0ne specimen, the type. (No. 163074, coll. IT. S. Nat. Mus., Santa Cruz Island, 

 California, June 5, 1897; R. II. Beck.) 

 ^ In text, under C. I. var. excubltorotdes. 



