Adult female. — Length (skins), 144-157 (148); wing, 53-58.5 (56.3); tail, 62-67 (65.1); culmen, 13.5-14.5 (13.9); tarsus, 19.5-21 (20.3); middle toe, 14.5-15 (14.9).[1]
Southeastern Mexico, in States of Vera Cruz (Playa Vicente; Córdova; Potrero, near Córdova; Orizaba; Uvero; Omealca; Atoyác; Sochiapa; Buena Vista; Pasa Nueva; Tlalcotalpám; Motzorongo; Jaltipan), Oaxaca (Túxtepec), Tabasco (Frontera; Teapa); Chiapas (Palenque; Huehuetán; Yojalón) and Yucatan (Chichen-Itza) and southward through Guatemala (Cobán; Choctúm; Chiséc; Kamkhál; Yzabál; Retalhuleu; Naranjo; Los Amates, Yzabál; Patulúl, Sololá; San José) and British Honduras (Belize; Orange Walk; Cayo; Sittee River; Toledo District; near Manatee Lagoon) to Honduras (San Pedro; San Pedro Sula).
- Synallaxis erythrothorax Sclater, Proc. Zool. Soc. Lond., June 26, 1855, 75, pl. 86 (Cobán, Guatemala; coll. Derby Mus.); 1856, 288 (Córdova, Vera Cruz); 1859, 192, 382 (Playa Vicente; Vera Cruz); 1874, 17 (monogr.; Mexico; Guatemala; Honduras); Cat. Am. Birds, 1862, 153 (Honduras; Choctúm, Guatemala); Ibis, 1873, 373; Cat. Birds Brit. Mus., xv, 1890, 55 (Orizaba, Vera Cruz; n. Yucatan; Choctúm, Kamkhál, Chiséc, and Retalhuleu, Guatemala; Belize, Brit. Honduras; Honduras). — Sclater and Salvin, Ibis, 1859, 117 (Cobán, Guatemala; Córdova, Vera Cruz); Proc. Zool. Soc. Lond., 1870, 837 (San Pedro, Honduras). — Salvin and Sclater, Ibis, 1860, 35 (Yzabál, Guatemala). — Sumichrast, Mem. Best. Soc. N. H., i, 1869, 555 (tierra caliente of Vera Cruz); La Naturaleza, v, 1881, 247 (Uvero and Omealca, Vera Cruz). — Sanchez, Anal. Mus. Nac. Mex., i, 1877, 97 (Vera Cruz). — Boucard, Proc. Zool. Soc. Lond., 1883, 449 (e. Yucatan; descr. nest). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1891, 150 (Atoyác and Sochiapa, Vera Cruz; Teapa, Tabasco; Orange Walk and Cayo, Brit. Honduras; etc.). — Cole, Bull. Mus. Comp. Zool., 1, 1906, 131 (Chichen-Itza, Yucatan). — Dearborn, Pub. 125, Field Mus. N. H., 1907, 107 (Los Amates, Patulúl, and San José, Guatemala; habits; crit.).
- ↑ Thirteen specimens.
Locality. Wing. Tall. Culmen. Tarsus. Middle
toe.males. Ten adult males from Vera Cruz, Mexico 56.3 67 13.6 20.5 15.1 One adult male from Guatemala 53.5 58 - 19 13.5 Three adult males from British Honduras 57 63.7 14 19.8 14.8 Four adult males from Honduras 59.5 66 14.2 20.7 15 females. Seven adult females from Vera Cruz 56.6 65.9 14.1 20.4 14.9 Two adult females from Tabasco 58.2 64.7 14.2 20.5 15 One adult female from Guatemala 53 65 14 - - Three adult females from Honduras 55.3 63.5 13.7 19.8 14.8
