650 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Mountains of southern California and northern Lower California; 

 north to Kern, Ventura, and Los Angeles counties, south to San Pedro 

 Martir Mountains (at 3,000-4,500 feet). 



Syrnium nebulosum (not Strix nebulosa Forster) Baird, Rep. Pacific R. R. Surv., 

 ix, 1858, 921 (Ft. Tejon, California). 



Syrnium occidentale Xantus, Proc. Ac. Nat. Sci. Phila., xi, July, 1859, 190, 193 

 (Ft. Tejon, California; coll. U. S. Nat. Mus.).— Baird, Birds N. Am., 1860, 

 50, atlas, pi. 66.— Cooper, Orn. Calif., 1870, 430 (Ft. Tejon).— Ridgway, in 

 Baird, Brewer, and Ridgway, Hist. N. Am. Birds, iii, 1874, 38. — Coues, 

 Check List, 1873, no. 324; Birds Northwest, 1874, 309, footnote.— Sharpe, 

 Cat Birds Brit. Mus., ii, 1875, 260, part (in synonymy). — Ridgway, Nom. 

 N. Am. Birds, 1881, no. 398, part.— American Ornithologists' Union, 

 Check List, 1886 (and 2d ed , 1895), no 369, part —Bryant, Proc. Calif. Ac. 

 Sci., ser. 2, 1889, 284 (San Pedro Martir Mts., Lower California, 3,000 ft.).— 

 Bendire, Life Hist. N. Am. Birds, (i), 1892, 343, part. — Stephens, Auk, ix, 

 1892, 392 (Mt. Paloma, San Diego Co., California, 5,000 ft.; habits, notes, 

 etc.).— Anthony, Zoe, iv, 1893, 235 (San Pedro Martir Mts., 4,500 ft.).— 

 Thurber, Auk, xiii, 1896, 265 (Little Tejunga Canyon, California, June; 

 Banning, Sept.; near Pasadena, 5 specs.). — Grinnell, Pub. 2, Pasadena 

 Ac. Sci., 1898, 23 (Los Angeles Co., California). 



[Syrniuin] occidentale Gray, Hand-list, i, 1869, 48, no. 507. — Coues, Key N. Am. 

 Birds, 1872, 204.— Sharpe, Hand-list, i, 1899, 293, part. 



S[yrnium] occidentale Ridgway, Man, N. Am. Birds, 1887, 259, part. 



Strix occidentalis Ridgway, Proc. U. S. Nat. Mus., iii, March 27, 1880, 8, 191, 

 part; Nom. N. Am. Birds, 1881, no. 398, part.— Coues, Check List, 1882, no. 

 478, part. — American Ornithologists' Union Committee, Auk, xxv, 1908, 

 371. 



S[trix] occidentalis Coues, Key N. Am. Birds, 2d ed., 1884, 510, part. 



Strix occidentale Peyton, Condor, xii, 1910, 122 (Los Angeles Co., California, 

 breeding; habits; descr. nest and eggs). 



Strix occidentalis occidentalis Swarth, Univ. Calif. Stud. Zool., vii, no. 1, May 26, 

 1910, 3, in text, 8 (Pasadena; San Diego Co.). — American Ornithologists' 

 Union, Check List, 3rd ed., 1910, 170. — Grinnell (J.), Pacific Coast Avi- 

 fauna, no. 8, 1912, 13. — Willett, Pacific Coast Avifauna, no. 7, 1912, 51 

 (mts. of Ventura, Los Angeles, Riverside, and San Diego counties, California, 

 resident). 



STRIX OCCIDENTALIS CAURINA (Merriam). 

 NORTHERN SPOTTED OWL. 



Similar to S. o. occidentalis but decidedly darker; the brown 

 darker m tone and greater in area, the white spotting correspondingly 

 reduced; legs and feet more heavily mottled. 



Adult male. — Length (skin), 425; wing, 325; tail, 220; culmen, 

 from cere, 23.5." 



Adult female. —Length (skins), 435-503 (462); wing, 315-323 (319); 

 tail, 210-220 (213.2); culmen, from cere, 22.5-23 (22.9).^ 



Pacific coast district, from southern British Columbia (Union Bay, 

 Vancouver Island; lower Fraser River valley; ChiUiwack) south- 



o One specimen (from Point Reyes, California). 6 Four specimens. 



