T46 BULLETIN 50, TTNITED STATES NATIONAL MUSEUM. 



BUBO VIRGINIANUS ELACHISTUS Brewster. 

 DWAHF HOBNES OWL. 



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



AdultTnale.-— 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 ; 

 Ros&rio; La Paz; San Jos6 del Eancho; Santa Anita; Caduana). 



Bubo virginianus (not Strix mrginiana Gmelin) Baihd, Proc. Ac. Nat. Sci. Phila., 

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

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

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



[Bubo] virginianus Geat, Hand-list, i, 1869, 43, no. 442, part. — Cottbs, Key N. 

 Am. Birds, 1872, 202, part. 



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

 Birds, 1872, 202, part. 



Bubo virginianus, var. arctieus Ridgwat, 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 subarctieus (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. 375o, part.— Bryant, Proc. Calif. Ac. Sci., ser. 2, ii, 1889, 284, part 

 (Cape district; Victoria Mts.). 



B[w6o] virginianus subarcticus Ridgway, Man. N. Am. Birds, 1887 (and 2d ed., 

 1896), 263, part. 



Bubo virginiantus elaehistus 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 elaehistus Oberholser, Proc. U. S. Nat. Mus., xxvii, Jan. 22, 

 1904, 184 (monogr.). 



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

 (Rosario, Lower California; crit.). 



BUBO VIRGINIANUS ICELUS (Oberholser). 

 COAST HOBJrED OWL. 



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

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

 ation decidedly lighter. 



o Five specimens. 6 One specimen. 



