BIEI>S OF NOETH AND MIDDLE AMERICA. 149 



Young. — Pileum and hiiidneck dull slate color, with narrow 

 mesial guttata streaks of buff; chest and breast similar but ground 

 color rather lighter brownish slate and streaks broader; otherwise 

 like adults, but middle and greater wing-coverts with distinct (though 

 not sharply defined) terminal or subterminal spots of tawny, and 

 with a very narrow terminal margin of black. 



Adult mole. — (No specimens with sex determined examined.) 



Adult jemale. —Length (skins), 163-175 (169); wing, 114-116.5 

 (115.3); tail, 42-44 (43); culmen, 25.5-26 (25.7); tarsus, 46-50.5 

 (48.3); middle toe, 24-25.5 (24.3).« 



Southern Mexico, in State of Chiapas (Tumbala), Guatemala 

 (forests of northern Vera Paz; Coban; Choctum; Cakleras; Yax- 

 camnal; Savana Grande; Barranca Honda and Pajal Grande, Volcan 

 de Fuego), Honduras (Santa Ana), and northern Nicaragua (Mata- 

 galpa). 



Grallaria guatimalensis Prevost and Des Murs, Zool. Voy. 'Venus,' Atlas, 

 "1846 " = 1842, pi. 4 (Guatemala).— Lafresna ye, Rev. Zool., 1842, 334.— 

 ScLATER, Proc. Zool. Soc. Lond., 1858, 280 (monogr.). 



Grallaria guatemalensis Prevost and Des Murs, Zool. Voy. 'Venus,' "1855"= 

 1849, 199.— Sclater and Salvin, Ibis, 1859, 119 (Cobdu, Guatemala).— 

 Salvin, Ibis, 1861, 354, in text (Vera Paz, Guatemala). — Sclater, Cat. 

 Am. Birds, 1862, 191 (Guatemala); Cat. Birds Brit. Mus., xv, 1890, 313 

 (Choctum, Yaxcamnal, Savana Grande, Cakleras, Voledn de Fuego, Barranca 

 Honda, Volcan de Fuego, and Pajd.1 Grande, Volcan de Fuego). — Salvin 

 and GoDMAN, Biol. Centr.-Am., Aves, ii, 1892, 240 (localities in Guatemala; 

 Santa Ana, Honduras; Matagalpa, Nicaragua). 



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

 Sharpe, Hand-list, iii, 1901, 41 (Guatemala to Nicaragua). 



(?) Grallaria guatemalensis ? Ridgway, Proc. U. S. Nat. Mus., xiv, 1891, 470 

 (Santa Ana, Honduras; descr. young). 



[Chamaeza] guatimalensis Bonaparte, Consp. Av., i, 1850, 204. 



Grallaria princeps (not of Sclater and Salvin) Boucard, Ann. Soc. Linn. Lyon, 

 1878, 39 (Guatemala). 



GRALLARIA GUATIMALENSIS PRINCEPS (Sclater and Salvin). 



COSTA RICAN ANTPITTA. 



Similar to G. g. guatirnalensis but smaller and more ileeply colored, 

 the black squamations of upper parts broader, the general color of 

 under parts bright tawny to rufous-tawny. 



Adult 7rtale.— Length (skins), 16.5-lSl (172); wing, 110-115 (111.7); 

 tail, 40-43 (41.3); culmen, 24.5-28.5 (27.4); tarsus, 44.5-52 (48); 

 middle toe, 23-27 (25.2).'' 



« Two specimens. Five specimens with sex undetermined measure as follows: 

 Wing, 104-120 (112.6); tail, 37^4 (40.9); culmen, 24-28 (26); tarsus, 49-51.5 (50.1); 

 middle toe, 24-25.5 (24.3). 



b Twelve specimens. 



