190 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
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).¢ 
Southeastern Mexico, in States of Vera Cruz (Playa Vicente; 
Cordova; Potrero, near Cérdova; Orizaba; Uvero; Omealca; Atoyac; 
Sochiapa; Buena Vista; Pasa Nueva; Tlalcotalpam; Motzorongo; 
Jaltipan), Oaxaca (Taxtepec), Tabasco (Frontera; Teapa); Chiapas 
(Palenque; Huehuetan; Yojalén) and Yucatan (Chichen-Itza) and 
southward through Guatemala (Coban; Chocttim; Chiséc; Kamkhal, 
Yzabal; Retalhuleu; Naranjo; Los Amates, Yzabaél; Patuldl, Solola; 
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 SctatER, Proc. Zool. Soc. Lond., June 26, 1855, 75, pl. 86 
(Cobén, Guatemala; coll. Derby Mus.); 1856, 288 (Cérdova, Vera Cruz); 
1859, 192, 382 (Playa Vicente; Vera Cruz); 1874, 17 (monogr.; Mexico; 
Guatemala; Honduras); Cat. Am. Birds, 1862, 153 (Honduras; Choctim, 
Guatemala); Ibis, 1873, 373; Cat. Birds Brit. Mus., xv, 1890, 55 (Orizaba, 
Vera Cruz; n. Yucatan; Chocttim, Kamkh4l, Chiséc, and Retalhuleu, Guate- 
mala; Belize, Brit. Honduras; Honduras).—Scrater and Savin, Ibis, 
1859, 117 (Cob4n, Guatemala; Cérdova, Vera Cruz); Proc. Zool. Soc. Lond., 
1870, 837 (San Pedro, Honduras)—Satvin and SciaTEr, Ibis, 1860, 35 
(Yzab4l, Guatemala).—Sumicurast, Mem. Bost. Soc. N. H., i, 1869, 555 
(tierra caliente of Vera Cruz); La Naturaleza, v, 1881, 247 (Uvero and 
Omealca, Vera Cruz).—Sancuez, Anal. Mus. Nac. Mex., i, 1877, 97 (Vera 
Cruz).—Bovucarp, Proc. Zool. Soc. Lond., 1883, 449 (e. Yucatan; descr. 
nest).—SaLvin and Gopman, Biol. Centr.-Am., Aves, ii, 1891, 150 (Atoyac 
and Sochiapa, Vera Cruz; Teapa, Tabasco; Orange Walk and Cayo, Brit. 
Honduras; etc.).—Conz, Bull. Mus. Comp. Zool., 1, 1906, 131 (Chichen- 
Itza, Yucatan).—Drarsorn, Pub. 125, Field Mus. N. H., 1907, 107 (Los 
Amates, Patulil, and San José, Guatemala; habits; crit.). 
a Thirteen specimens. 
Locality. Wing. | Tail. eek Tarsus. mpodle 
MALES. 
Ten adult males from Vera Cruz, Mexico.........------------- 56.3 67 13.6 20.5 15.1 
One adult male from Guatemala. ..........-.----02--eee ee eee 53.5 58 laeeeeace 19 13.5 
Three adult males from British Honduras..........-.-.------- 57 63.7 14 19.8 14.8 
Four adult males from Honduras...........--.---0--+--2--005+ 59.5 66 14.2 20.7 15 
FEMALES. 
Seven adult females from Vera Cruz.............-.2-020----0-+ 56. 6 65.9 14.1 20. 4 14.9 
Two adult females from Tabasco.......-......--.2+-00---2 eee 58. 2 64.7 14.2 20.5 15 
One adult female from Guatemala..........--.--..2-5+-22 ee eee 53 65 TA. Wersertsesee caters x 
Three adult females from Honduras...............--.-----25-- 55.3 63.5 13.7 19.8 14.8 
9 
