720 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
rump and upper tail-coverts plain grayish brown (deep hair brown), 
the feathers (especially longer upper tail-coverts) sometimes nar- 
rowly and indistinctly margined at tip with paler; tail slightly darker 
grayish brown, the rigid shafts of rectrices black; wings black, 
slightly glossed with greenish blue; under parts plain grayish brown 
(like color of rump and upper tail-coverts), fading on throat and 
chin into much paler gray (sometimes almost grayish white), the 
feathers dusky grayish brown basally; bill black; iris brown; legs 
and feet grayish brown (more or less livid in life). 
Young.—Not noticeably if at all different in coloration from adults. 
Adult male. — Length (skins), 91-106 (99); wing, 104.5-116.5 
(111.2); tail, 34-38 (36.2); culmen, 4.5-6 (5); tarsus, 10-11 (10.3); 
middle toe, 7-8 (7.5).¢ 
Adult female.—Length (skins), 95-110 (104) ; wing, 107-115 (111.8); 
tail, 35.5-38.5 (37.1); culmen, 4.5-5.5 (4.9); tarsus, 10-11 (10.5); 
middle toe, 7-8 (7.6).° 
Southeastern Mexico, in States of Tamaulipas (Carricitos; Gui- 
aves), Vera Cruz (Motzorongo; San Andres Tixtla; Volcén de Tixtla) 
and Oaxaca (Guichicovi; Santo Domingo) and southward through 
Guatemala (Gualén; Duefias, Los Amates, Ysabal), Nicaragua (Rio 
Escondido) and Costa Rica (La Hondura; Volcan de Irazi; Carrillo; 
Cariblanco de Sarapiqui; El General; Coliblanco; Guayabo; Juan 
Vifias; Lagudéria, Copéy, Las Vueltas, and Santa Maria, Dota) to 
western Panama (Chiriqui). 
Chextura gaumeri (not of Lawrence) Ripaway, Proc. U. 8. Nat. Mus., vi, 1883, 
415 (Costa Rica).—Satvin, Ibis, 1889, 367, part (Chiriquf, Panamé; crit.).— 
Hartert, Cat. Birds Brit. Mus., xvi, 1892, 482, part (Costa Rica).—RicH- 
MOND, Proc. U. 8. Nat. Mus., xvi, 1893, 516 (Rio Escondido, Nicaragua).— 
SaLvin and Gopman, Biol. Centr.-Am., Aves, ii, 1894, 376, part (Rio Escon- 
@ Fourteen specimens. b Fifteen specimens. 
, Les Middle 
Locality. Wing. | Tail. | posed | Tarsus. toe 
lculmen. = 
MALES. 
Two adult males (C. gawmeri) from Yucatan.............-..-. 105. 5 27.7 5 il 7.5 
Two adult males ( C. richmondi) from Vera Cruz............--- 115. 2 36. 2 5.2 10.5 7.5 
Two adult males ( C. richmondi) from Nicaragua............-.. 110 35. 2 5.7 10.7 7.5 
Ten adult males ( C. richmondi) from Costa Rica............... 110.6 36. 3 49 10.2 7.6 
FEMALES. 
Four adult females (C. gawmeri) from Yucatan................ 105. 2 30.1 46 10.2 7.3 
Three adult females (C. richmondi) from Vera Cruz (1) and 
OBKaee (2) acccewguaceaieciigaa sees nwens acces veemosceeemeies 113.2 36. 8 5.2 10.5 7.5 
One adult female ( C. richmondi) from Guatemala.............. 113.5 38.5 |........ 10 75 
One adult female ( C. richmondi) from Nicaragua..........-..-+ 110 36 5.5 10.5 8 
Ten adult females (C. richmondi) from Costa Rica.....-....... 111.5 37.1 4.8 10.6 7.5 
