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 Irazu; Tiirrialba; Juan Vinas; Carrillo; Escazii; Tenorio) 

 and western Panamil (Volcan de ChiriquI; Boquete; Santa F^ de 

 Veragua; Calovevora). 



Grallaria guatemalensis (not of Provost) Salvin, Proc. Zool. Soc. Lond., 1867, 146 

 (Santa F6 de Verdgua, Panamd; crit.) — Lawrence, Ann. Lye. N. Y., ix., 

 1868, 89 (Verdgua). 



Grallaria princeps Sclater and Salvin, Proc. Zool. Soc. Lond., 1869, 418 (Calo- 

 vevora, Veragua, Panamd; coll. Salvin and Godman).— Salvin, Proc. Zool. 

 Soc. Lond., 1870, 196. (Volcdn de Chiriquf and Calovevora). — Sclater, 

 Ibis, 1877, 441 (Verdgua; Chiriquf; monogr.); Cat. Birds Brit. Mus., xv, 

 1890, 314 (Irazu district, Costa Rica; Calovevora, Santa F^, and Volcdn 

 de ChiriquI, Panama). — Zeled6n, Anal. Mus. Nac. Costa Rica, i, 1887, 

 115 (Tui-rialba, Costa Rica). — Salvin and Godman, Biol. Centr.-Am., 

 Aves, ii, 1892, 241, pi. 52.— Bangs, Proc. New Engl. Zool. Club, iii, 

 1902, 42 (Boquete and Volcdn de ChiriquI, Panamd, 7,000-11,000 ft.). 



[Grallaria] princeps Sclater and Salvin, Nom. Av. Neotr., 1873, 75. — Sharps, 

 Hand-list, iii, 1901, 41. 



Grallaria guatemalensis princeps Carriker, Ann. Carnegie Mua., 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 maZe.— 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 fe7nale.— 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 (Cordova; Potrero, 

 near Cordova; Uvero; San Andres Tuxtla; Omealca; Jalapa; Moyoa- 

 pam; Play a Vicente; Buena Vista; Motzorongo), and Tabasco (Teapa). 



« Four specimens, from Costa Rica. 



b Four wpecimens. 



c Three gpecimena. 



