BIRDS OF NORTH AND MIDDLE AMERICA 75 



[Rallus elegans'] b. obsoletus Coues, Birds Northwest, 1874, 535 (synonymy). 



Rallus obsoletus Ridgway, Proc. U. S. Nat. Miis., iii, 1880, 11 (Cat. North 

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

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

 Club, V, 1S80, 124 (Oakland and San Mateo, Calif.; descr. nest and eggs). — 

 Baied, Brewer, and Ridgway, Water Birds North Amer., i, 1884, 357. — 

 American Ornithologists' Union, Check-list, 18SG, and ed. 2, 1895, No. 210, 

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

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

 migration routes). — Grinnell (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 (gcnl. ; 

 California). — De Grost, Condor, xxix, 1927, 259 (nesting habits; enemies; 

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

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

 Mus., Ixxxiv, 1937, 314 in text.— Orr, Condor, xli, 1939, 151 (fall wanderings 

 away from marshes). 



[Rallus] obsoletus Shabpe, Hand-list, i, 1899, 94. 



Rlallus] obsoletus Ridgway, Bull. Nutt. Orn. Club, v, 1880, 139 (diagnosis) ; 

 Man. North Amer. Birds, 1887, 137. 



Ralhis longirostris obsoletus Coxjes, Check-list, ed. 2, 1882, No. 674. — Oberholsee, 

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



R[allus] llongirostris] obsoletus Coues, Key North Amer. Birds, ed. 2, 1884, 672. 



[Rallus longirostris] subsp. e Rallus obsoletus Sharpe, Cat. Birds Brit. Mus., 

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



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

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

 95. — LiNSDALE, Condor, xxxviii, 1036, 216 (Berkeley and Oakland, Calif.). — 

 Wythe, Condor, xxxix, 1937, 44 (Berkeley, Calif.). 



RALLUS LONGIROSTRIS LEVIPES Bangs 



Light-footed Clapper Rail 



Adult (sexes alike). — Similar to Rallus longirostris oisoletus 

 (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. 



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

 odsoletus 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 

 60-54 (51.2 mm.)." 



'" 10 specimens. 



