746 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



BUBO VIRGINIANUS ELACHISTUS Brewster. 



DWAKF HORNED OWL. 



Similar in coloration to B. v. pacijicus but much smaller. 



AduUmale.— Wing, 305-325 (315.6); tail, 175-206 (190.3); culmen 

 (from cere), 21-26 (24.8).^ 



Adult female. — Wing, 330; tail, 211; culmen (from cere), 27.5.^ 



Southern Lower California (Sierra de la Laguna ; Victoria Mountains ; 

 Rosdrio; La Paz; San Jose del Rancho; Santa Anita; Caduana). 



Bubo virginianus (not Strix virginiana Gmelin) Baird, Proc. Ac. Nat. Sci. Phila., 

 xi, 1859, 302 (Cape San Lucas, Lower California); Cat. N. Am. Birds, 1859, 

 no. 48, part. — Cooper, Orn. Calif., 1870, 418, part (Cape San Lucas).— 

 Sharpe, Cat. Birds Brit. Mus., ii, 1875, 19, part. 



[Bubo] virginianus Gray, Hand-list, i, 1869, 43, no. 442, part.--CouES, Key N. 

 Am. Birds, 1872, 202, part. 



[Bubo virginianus] var. arcticus (not Bubo arcticus Swainson) Coues, Key N. Am. 

 Birds, 1872, 202, part. 



Bubo virginianus, var. arcticus Ridgway, in Baird, Brewer, and Ridgway, Hist. 

 N. Am. Birds, iii, 1874, 60, 64, part ("Lower California," i. e. Cape San 



Lucas). 



Bubo virginianus . . . var. arcticus Coues, Check List, 1873, no. 317a, part. 



[Bubo virginianus] c. arcticus] Coues, Birds Northwest, 1874, 301, part (in syn- 

 onymy). 



Bubo virginianus arcticus Coues, Check List, 2d ed., 1882, no. 463, part. 



Bubo virginianus subarcticus (not Bubo subarcticus Hoy) Ridgway, Proc. U. S. 

 Nat. Mus., iii, 1880, 191, part; Nom. N. Am. Birds, 1881, no. 405a, part; vi, 

 1883, 349 (Victoria Mts., s. Lower California, part). — Belding, Proc. U. S. 

 Nat. Mus., V, 1883, 543 (Cape San Lucas district); vi, 1883, 349 (Victoria 

 Mts.). — American Ornithologists' Union, Check List, 1886 (and 2d ed., 

 1895), no. 375a, part.— Bryant, Proc. Calif. Ac. Sci., eer. 2, ii, 1889, 284, part 

 (Cape district; Victoria Mts.). 



B[ubo] virginianus subarcticus Ridgway, Man. N. Am. Birds, 1887 (and 2d ed., 

 1896), 263, part. 



Bubo virginianus elachistus Brewster, Bull. Mus. Comp. Zool., xli, no. 1, Sept., 

 1902, 96 (Sierra de la Laguna, s. Lower California; coll. W. Brewster). — 

 American Ornithologists' Union Committee, Auk, xx, 1903, 341; Check 

 List, 3rd ed., 1910, 175. 



Asio magellanicus elachistus Oberholser, Proc. V. S. Nat. Mus., xxvii, Jan. 22, 

 1904, 184 (monogr.). 



Bubo magellanicus elachistus Thayer and Bangs, Condor, ix, Sept., 1907, 137 

 (Rosario, Lower California; crit.). 



BUBO VIRGINIANUS ICELUS (Oberholser). 



COAST HGIIKED OWL. 



Similar to B. v. pacificus but much darker, especially the upper 

 parts; similar also to B. v. saturatus but decidedly smaller and color- 

 ation decidedly lighter. 



o Five specimens. ^ One specimen. 



