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



Genus NYCTEA Stephens. 



Nyctea Stephens, Shaw's Gen. Zool., XIII, 1826, p. 63 (Type Strix erminea 

 Shaw = 5. nyctea Linn.). 



*Nyctea nyctea {Linn.). Snowy Owl. 



Strix nyctea Linnaeus, Syst. Nat. ed. 10, 1758, p. 93 (Sweden); Audubon, Orn. 



Biog., II, 1834, p. 135, pi. 121. 

 Nyctea scandiaca Sharpe, Cat. Bds. Brit. Mus., II, 1875, p. 125. 

 Nyctea nivea (Gray) Gould, Bds. Great. Brit., I, 1863, pi. 34 and text. 

 Nyctea nyctea Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 19 14, p. 768. 



Range: Northern portion of northern Hemisphere; from the 

 arctic circle southward; in North America south in winter to more 

 northern United States and casually or rarely to South Carolina, 

 Texas, etc. 



7 : Alaska i ; South Dakota i ; New York i ; Massachusetts 2 ; and 

 Illinois 2. 



Genus PULSATRIX Kaup. 



Pulsatrix Kaup, Isis, 1848, p. 771 (Type Strix torquata Daud. = 5. perspicillata 

 Latham). (Berlepsch, Bull. Brit. Om. Club, XII, 1901, pp. 4-6.). 



*Pulsatrix perspicillata perspicillata (Latham). Spectacled Owl. 



Strix perspicillata Latham, Index 0ms., I, 1790, p. 58 (Cayenne). 



Pulsatrix perspicillata Chubb, Bds. Brit. Guiana, I, 1916, p. 286; Stone, Proc. 



Acad. Nat. Sci., Phila., 1913, p. 196 (Cariaquito, Venezuela). 

 Pulsatrix perspicillata perspicillata Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 



1914. P- 756. 

 Syrnium perspicillatum Sharpe, Cat. Bds. Brit. Mus., II, 1875, p. 77, part; 

 Bangs, Proc. Biol. Soc. Wash., XII, 1898, p. 132 (Santa Marta); Allen, 

 Bull. Am. Mus. N. H., XIII, 1900, p. 131 (Santa Marta). 



Range: Northern South America, from Amazon River region, 

 northward, and eastern Panama. 



4: Colombia i; Venezuela i; British Guiana i; and Paramaribo i. 



*Pulsatrix perspicillata saturata^ Ridgway. Sooty Spectacled 



Owl. 



Pulsatrix perspicillata saturata Ridgway, Bull. U. S. Nat Mus., No. 50, VI, 

 1914, p. 758 (Santo Domingo, Oaxaca, Mexico). 



Range: Southern Mexico to eastern Panama; Colombia? 

 2: San Salvador, and Nicaragua. 



■ Pulsatrix perspicillata saturata Ridgway: Like P. p. perspicillata (Latham), 

 but darker; upper parts, except wings and tail, sooty black or very dark sooty brown; 

 chest very dark sooty brown or sooty blackish (instead of sooty grayish brown) and 

 lower under parts deeper buff, sometimes deep cinnamon buff, etc. 



