150 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Adult female——Length (skins), 167-181 (172); wing, 106.5-113.5 
(111.1); tail, 37.5-42.5 (40); culmen, 25-27.5 (26.7); tarsus, 46.5-50 
(48.6); middle toe, 25-26 (25.4).¢ 
Costa Rica (La Estrella de Cartago; Faldas del Volcan de Barba; 
Volcan de Irazti; Turrialba; Juan Vifias; Carrillo; Escazi; Tenério) 
and western Panamé (Volc4n de Chiriqui; Boquete; Santa Fé de 
’Veragua; Calovévora). 
Grallaria guatemalensis (not of Prévost) Satvin, Proc. Zool. Soc. Lond., 1867, 146 
(Santa Fé de Verégua, Panam4; crit.)—Lawrence, Ann. Lyc. N. Y., ix., 
1868, 89 (Verdgua). 
Grallaria ‘princeps SctaTER and Satvin, Proc. Zool. Soc. Lond., 1869, 418 (Calo- 
vévora, Verfgua, Panamé; coll. Salvin and Godman).—Satvin, Proc. Zool. 
Soc. Lond., 1870, 196 (Volefn de Chiriqui and Calovévora)—ScLaTER, 
Ibis, 1877, 441 (Verégua; Chiriquf; monogr.); Cat. Birds Brit. Mus., xv, 
1890, 314 (Irazti district, Costa Rica; Calovévora, Santa Fé, and Volc4én 
de Chiriqui, Panama).—Zetep6n, Anal. Mus. Nac. Costa Rica, i, 1887, 
115 (Turrialba, Costa Rica)—Sarvin and Gopman, Biol. Centr.-Am., 
Aves, ii, 1892, 241, pl. 52—Banes, Proc. New Engl. Zool. Club, iii, 
1902, 42 (Boquete and Volc4n de Chiriquf, Panamé4, 7,000-11,000 ft.). 
[Grallaria] princeps SctaTER and Satvin, Nom. Av. Neotr., 1873, 75.—SHARPE, 
Hand-list, iii, 1901, 41. 
Grallaria guatemalensis princeps CaRRiKER, Ann. Carnegie Mus., vi, 1910, 627 
(Costa Rica; crit.; habits). 
GRALLARIA GUATIMALENSIS MEXICANA (Sclater). 
MEXICAN ANTPITTA. 
Similar to G. g. guatimalensis but slightly larger and paler in color, 
the back, etc., less brownish olive, the general color of under parts 
ochraceous instead of tawny-ochraceous or tawny; slate color of 
pileum and hindneck, however, rather darker. 
Adult male.—Length (skins), 161-180 (170); wing, 104.5-111 
(109.1); tail, 38-44.5 (42); culmen, 25.5-27 (26); tarsus, 43.5-49.5 
(47.3); middle toe, 23-25 (24.3).° 
Adult female.—Length (skins), 160-175 (166); wing, 107-113 (110); 
tail, 40.5-43 (41.5); culmen, 26.5-27 (26.7); tarsus, 46.5-47.5 (47); 
middle toe, 24-24.5 (24.2).¢ 
Southeastern Mexico, in States of Vera Cruz (Cérdova; Potrero, 
near Cérdova; Uvero; San Andrés Tuxtla; Omealca; Jalapa; Moyoa- 
pam; Playa Vicente; Buena Vista; Motzorongo), and Tabasco (Teapa). 
¢ Four specimens, from Costa Rica. 
a: ‘ 7 Cul- Middle 
Locality. Wing. | Tail. men. Tarsus. toe. 
Seven adult males from Costa Rica...............2-----22.20e- 112 41.3 27.1 48.3 25.3 
Five adult males from western Panama (Chiriquf)............. 111.8 41.3 27.6 47.6 25.1 
b Four specimens. ¢ Three specimens. 
