BIRDS OF NORTH AND MIDDLE AMERICA 145 



bb. Upperparts sooty black, ashy brown, or bluish gray, 

 c. Underparts white, barred with blackish brown. 



d. Larger, wing, cf , 315-334; ? 355-380 mm. (Scandinavian Peninsula, 

 Latvia, and western Russia). 



A. gen tills gen tills, adult (extralimital)" 

 dd. Smaller; wing, cf , 280-334; ? 323-367 mm. 



e. General coloration darker, the occiput, nape and interscapulars 

 especially, with much blackish; size slightly smaller (wing, d', 

 280-300; ? , 323-339 mm.) (Japan and Sakhalin). 



A. gentilis fujiyamae, adult (extralimital) ^^ 

 ee. Coloration paler, the occiput, nape, and interscapulars with little 

 blackish; size slightly larger (wing, cf , 285-334, 9 344-367 mm.) 

 (western and central Europe east to Russia). 



A. gentilis gallinarum, adult (extralimital)^^ 

 cc. Underparts white or tawny white, not barred, but freckled, vermiculated 

 or streaked. 

 d. Underparts white, vermiculated or flecked with blackish brown, and 

 with some fine blackish shaft streaks. 

 e. Paler; whole back bluish gray (mainland of North America). 



A. gentilis atricapillus, adult (p. 150) 

 ee. Darker, back more or less sooty blackish, or very dark gray (Queen 



Charlotte Islands) A. gentilis laingi, adult (p. 162) 



dd. Underparts white more or less tinged with tawny, and broadly streaked 

 with dark brown. 

 e. Mantle darker (between clove brown and fuscous) . 

 /. Breast stripes very broad and heavy and dark-fuscous. 



A. gentilis laingi, immature (p. 162) 



France, viii, 1883, 353 (Kamtschatka) ; Stejneger, Orn. Explor., 1885, 318; 

 Sharpe, Hand-list, i, 1899, 248. — Astur caesius Buturlin, Psov. i Ruzejn Okhota, 

 1907, No. 7; Orn. Monatsb., 1907, 80. — Astur gentilis albidus Swann, Synop. 

 List Accip., pt. 1, 1919, 20; Monogr. Birds Prey, i, pt. 3, 1925, 187.— Accipiter 

 gentilis albidus Hartert, Vog. pal. Fauna, ii, pt. 3, 1914, 1149; Peters, Check-list 

 Birds of World, i, 1931, 207. 



" Falco gentilis Linnaeus, Syst. Nat., ed. 10, i, 1758, 89 (ex Fauna Svecica). — 

 Falco palumbarius Linnaeus, Syst. Nat., ed. 10, i, 1758, 91 (Europe); Kleinschmidt, 

 Berajah, 1923, art. F. palumbarius. — Falco albescens Boddaert, Tabl. PI. Enl., 

 1783, 25. — Astur palumbarius Sharpe, Cat. Birds Brit. Mus., i, 1874, 95; Hand- 

 list, i, 1899, 248. — Astxir gentilis Swann, Synop. Accip., pt. 1, 1921, 32; Monogr. 

 Birds Prey, i, pt. 3, 1925, 178. — Accipiter gentilis gentilis Hartert, Vog. pal. Fauna, 

 1914, 1146; Peters, Check-list Birds of World, i, 1931, 206. 



"8 Astur gentilis schvedowi Swann, Synop. Accip., pt. 1, 1921, 32 (part). — Astur 

 gentilis fujiyamae Swann and Hartert, Bull. Brit. Orn. CI., xliii, 1923, 170; Swann, 

 Monogr. Birds Prey, i, pt. 3, 1925, 185; Peters, Check-list Birds of World, i, 

 1931, 208. 



™Astur gallinarum Brehm, Ornis, iii, 1827, 2 (Germany). — Astur gentilis gentilis 

 Swann, Synop. Accip., pt. 1, 1921, 32 (part). — Astur gentilis dubius Lonnberg, 

 Ibis, 1923, 213. — Astur gentilis gallinarum Swann, Monogr. Birds Prey, i, pt. 3, 

 1925, 182. — Accipiter gentilis gallinarum Hartert, Vog. pal. Fauna, addenda, 

 1922, 2205; Ibis, 1923, 531; Peters, Check-list Birds of World, i, 1931, 206. 



