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BIRDS OF NORTH AND MIDDLE AMERICA.
165
- dd. Back., etc., deep chestnut-brown or vandyke brown; chest clear chestnut. (Costa Rica and western Panamá).
Sclerurus canigularis (p. 166).
- bb. Chin and throat bright russet or rufous-tawny, like chest. (Sclerurus mexicanus.)
- c. Coloration lighter, the back, etc., warm-sepia brown, the lower rump and upper tail-coverts chestnut. (Southeastern Mexico to Amazon Valley.)
Sclerurus mexicanus mexicanus (p. 166).
- cc. Coloration darker, the back, etc., dark sepia brown, the lower rump and upper tail-coverts deep vandyke to deep chocolate or walnut brown. (Caribbean slope of western Panamá and eastern Costa Rica.)
Sclerurus mexicanus pullus (p. 168).
aa. Lower rump and upper tail-coverts similar in color to back or but slightly more rufescent.
- b. Chin and throat tawny or russet, like chest. (Guiana and lower Amazon Valley.)
Sclerurus caudacutus (extralimital).[1]
- bb. Chin and upper throat with basal portion of feathers whitish or very pale brownish, the tip or terminal margin dark brown or dusky.
- c. General color umber or sepia brown.
- d. Throat brown, with basal portion of feathers dull brownish white or very pale brownish. (Upper Amazon Valley.)
- c. General color umber or sepia brown.
Sclerurus fuscus (extralimital).[2]
- dd. Chin and upper throat white, the feathers tipped or margined with brown or dusky.
- e. Chest without spots or distinct streaks of tawny, and general coloration lighter brown.
- f. General color deep chocolate brown; smaller (wing 83 8-86.4, tail 53.3-58.4). (Colombia.)
- e. Chest without spots or distinct streaks of tawny, and general coloration lighter brown.
- dd. Chin and upper throat white, the feathers tipped or margined with brown or dusky.
Sclerurus brunneus (extralimital).[3]
- ff. General color vandyke brown, more olive-brown on under parts, the sides of head and neck and upper chest brownish tawny; larger (wing 100.3, tail 78.7). (Southeastern Brazil.)
Sclerurus lawrencei (extralimital).[4]
- ee. Chest with distinct streaks or spots of tawny, and general color much darker brown. (Southern Mexico to Panamá; western Ecuadór?).
Sclerurus guatemalensis (p. 169).
- cc. General color olivaceous. (Western Peru.)
Sclerurus olivascens (extralimital).[5]
- ↑ Thamnophilus caudacutus Vieillot, Nouv. Diet. d'Hist. Nat., iii, 1816, 310 (Cayenne). — [Sclerurus] caudacutus Bonaparte, Consp, Av., i, 1850, 210. — Sclerurus caudacutus Sclater and Salvin, Proc. Zool. Soc. Lond., 1867, 573 (Capim R., lower Amazon Valley); Ridgway, Proc. U. S. Nat. Mus., xii, 1889 (1890), 27 (monogr.); Sclater, Cat. Birds Brit. Mus., xv, 1890, 116. — Sclerurus caudacutus caudacutus Hellmayr, Novit. Zool., xiv, 1907, 56 (crit.).
- ↑ T[inactor] fuscus Maximilian, Beitr. Naturg. Bjas., iii, 1831, 1106, part (male; locality not stated; type now in coll. Am. Mus. Nat. Hist.). — Sclerurus fuscus Ridgway, Proc. U. S. Nat. Mus., xii, 1889, no. 762 (pub. Feb. 5, 1890), 28 (monogr.).
- ↑ Sclerurus brunneus Sclater, Proc. Zool. Soc. Lond., 1857, 17 (Bogota, Colombia; coll. P. L. Sclater); Cat. Birds Brit. Mus., xv, 1890, 116; Ridgway, Proc. U. S. Nat. Mus., xii, 1889 (1890), 29 (monogr.). — Sclerurus caudacutus brunneus Hellmayr, Novit. Zool., xiv, 1907, 56, 58 (Teffé, Brazil; crit.; geog. range).
- ↑ Sclerurus lawrencei Ridgway, Proc. U. S. Nat. Mus., xii, 1889, no. 762 (pub. Feb. 5, 1890), 29 ("Bahia" [Brazil], but locality probably erroneous; coll. Am. Mus. Nat. Hist.).
- ↑ Sclerurus olivascens Cabanis, Joiun. fiir Om., Jan., 1873, 67 (Monterico, w. Peru); Ridgway, Proc. U. S. Nat. Mus., xii, 1889 (1890), 31 (monogr.).
