20 Field Museum of Natural History — Zoology, Vol. XIII. 



*Bubo virginianus virginianus (GmeL). Great Horned Owl. 



[Sirix] virginiana Gmelin, Syst. Nat., I, pt. i, 1788, p. 287 (Virginia) ; Audubon, 



Orn. Biog., I, 1831, p. 313, pi. 61. 

 Bubo virginianus Sharpe, Cat. Bds. Brit. Mus., II, 1875, P- I9. part. 

 Bubo virginianus virginianus Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, 



P- 739- 



Range: Eastern United States and southern Canada, west to 

 eastern edge of the Great Plains. 



t2o: North America (Massachusetts 6, Florida 6, Ohio i, Indiana 5, 

 Illinois I, and Wisconsin i). 



Bubo virginianus icelus (Oberholser) . Coast Great Horned Owl. 

 Asia magellanicus icelus Oberholser, Proc. U. S. Nat. Mus., XXVII, 1904, 



p. 185 (San Louis Obispo, California). 

 Bubo virginianus icelus Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 746. 



Range: Coast of California, from about latitude 35 north to the 

 region of San Francisco Bay. 



*Bubo virginianus pacificus Cassin. California Great Horned 

 Owl. 



Bubo virginianus pacificus Cassin, Illustr. Bds. California, Texas, etc., 1854, 

 p. 178 (Southern California*); Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 

 1914. P- 745- 

 Range: Whole of California (except middle coast region and south- 

 eastern Desert region, "Colorado Desert"), north to southern Oregon 

 and east to central Arizona. 

 i: "California." 



*Bubo virginianus pallescens Stone. Pallid Great Horned Owl. 



Bubo virginianus pallescens Stone, Am. Nat., XXXI, 1897, p. 237 (Watson's 

 Ranch, 18 miles S. W. of San Antonio, Texas); Ridgway, Bull. U. S. Nat. 

 Mus., No. 50, VI, 1914, p. 742. 



Range: Central Texas to Arizona and desert region of southeastern 

 California; northern Mexico. 



3: Arizona i; and New Mexico 2. 



*Bubo virginianus occidentalis Stone. Western Great Horned Owl. 



Bubo virginianus occidentalis Stone, Auk, 1896, p. 155 (Mitchell Covmty, Iowa); 

 Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 743. 



Range: Central North America, from Assiniboa and Manitoba, 

 south to Kansas, New Mexico, and Utah, and from southeastern 

 Oregon, east to Minnesota, Kansas, etc. 



I : Manitoba. 



" See Stone, Auk, 1896, p. 155. 



