BIRDS OF NORTH AND MIDDLE AMERICA 75 



IRallus elegana] b. olsoletus Cotjhs, Birds Northwest, 1874, 535 (synonymy). 



Rallua olsoletus Ridgwat, Proc. V. S. Nat. Mus., ill, 1880, 11 (Cat. North 

 Amer. Birds, No. 570) ; BuU. Nutt. Orn. Club, v, 1880, 139 (diagnosis) ; 

 Nom. North Amer. Birds, 1881, No. 570.— Bbyant (W. E.), Bull. Nutt. Orn. 

 Club, V, 1880, 124 (Oakland and San Mateo, Calif.; descr. nest and eggs).— 

 Baied, Bkeweb, and Ridgwat, Water Birds North Amer., 1, 1884, 357. — 

 American Obnithologists' Union, Check-list, 1886, and ed. 2, 1895, No. 210, 

 part; ed. 3, 1910, p. 102.— Sbnnett, Auk, vi, 1889, 165 (crit), 166 (diag- 

 nosis).— Cooke, TJ. S. Dept. Agr. Bull 128, 1914, 18, fig. 7, map (range and 

 migration routes).— Geinnell (J.), Pacific Coast Avif., No. 11, 1915, 46 (San 

 Francisco Bay; Petaluma; Farallon Islands; Tomales Bay; Humboldt 

 Bay) .—Dawson, Birds California (students' ed.), iii, 1923, 1530 (genl.; 

 California).— De Gbost, Condoe, xxix, 1927, 259 (nesting habits; enemies; 

 ecol.).— Bent, TJ. S. Nat. Mus. Bull. 135, 1927, 267 (monogr.).— Williams, 

 Condor, xxxi, 1929, 52 (behavior; feeding).— Obeeholseb, Proc. U. S. Nat. 

 Mus., Ixxxiv, 1937, 314 in text- Oeb, Condor, xli, 1939, 151 (fall wanderings 

 away from marshes). 



[RallusJ obsoletus Shakpe, Hand-list, i, 1899, 94. 



R[allus'\ oisoletus Ridgwat, Bull. Nutt. Orn. Club, v, 1880, 139 (diagnosis) ; 

 Man. North Amer. Birds, 1887, 187. 



Rallus longirostris olsoletus Cotjes, Check-list, ed. 2, 1882, No. 674.— Obeeholseb, 

 Proc. U. S. Nat. Mus., Ixxxiv, 1937, 340 (monogr. ; crit.). 



Rlallus] l[_ongvrostris'\ obsoletus Coues, Key North Amer. Birds, ed. 2, 1884, 672. 



[Rallus longirostrisj subsp. e Rallus oisoletus Shaepe, Cat. Birds Brit. Mus., 

 xxiii, 1894, 15 (San Francisco and Redwood City, Calif.). 



Rallus obsoletus obsoletus van Eossem, Condor, xxxi, 1929, 214 (crit.; range). — 

 American Obnithologists' Union, Check-list North Amer. Birds, ed. 4, 1931, 

 95. — ^Linsdale, Condor, xxxviii, 1936, 216 (Berkeley and Oakland, Calif.). — 

 Wtthe, Condor, xxxlx, 1937, 44 (Berkeley, Calif.). 



RALLUS LONGIBOSTRIS LEVIPES Bangs 



Light-footed Clappeb Rail 



Adult (sexes alike). — Similar to BciUus longirostris obsoletus 

 (both phases present, but the olive-gray one decidedly less common 

 than the brownish one), but bill slenderer; the dark centers of the 

 dorsal body feathers dark sepia to fuscous, the margins darker, less 

 grayish, more heavily washed with brownish olive; the malar stripe, 

 sides of neck, the lower throat, breast, and upper abdomen richer 

 and darker — light vinaceous-cinnamon to vinaceous-cinnamon ; flanks 

 and vent less grayish, more brownish — almost olive-brown. 



Jwoendl (sexes alike). — Similar to that of Rallus longirostris 

 o'bsoletus but slightly darker. 



Natal down. — Jet black with a greenish gloss above. 



Adult male.—Wmg 154.5-167 (161.9) ; tail 62.5-69 (66.7) ; exposed 

 culmen 56-61 (58.9) ; tarsus 53-60.5 (56.9) ; middle toe without claw 

 50-54 (51.2 mm.)." 



' 10 specimens. 



