BIRDS OF NORTH AND MIDDLE AMERICA. 211 



Costa Rica (Angostura; Cartago, Birris, La Estrella, Naranjo, and 

 Azahar, Cartago; Volcan de Irazu; Cervantes; Coliblanco; Juan 

 Viiias; La Hondura; Cariblanco de Sarapiqui; Santa Maria, La- 

 guaria, and Los Reyes, Dota) and western Panama (Calovevora; 

 Calobre; Boquete; Volcan de Chiriqui, 4,500-7,800 feet). 



Anabazenops lineatus Lawrence, Ann. Lye. Nat. Hist. N. Y., viii, 1867, 127 

 (Angostura, Costa Rica; colL U. S. Nat. Mus.); ix, 1868, 106 (Angostura, 

 Birris, and Cervantes, Costa Rica). — Frantzius, Journ. fur Om., 1869, 304 

 (Costa Rica).— Salvin, Ibis, 1870, 110 (crit.).— Berlepsch, Proc. U. S. Nat. 

 Mus., xi, 1888, 565 (crit.). 



[Xenops] lineatus Gray, Hand-list, i, 1869, 175, no. 2368. 



Anabazenops subalaris lineatus Berlepsch, Proc. U. S. Nat. Mus., xi, sig. 36, 

 Sept. 25, 1889, 566 (diagnosis). 



Anabazenops subalaris (not Anabates subalaris Sclater) Salvin, Ibis, 1870, 110 

 (Costa Rica; crit.); Proc. Zool. Soc. Lond., 1870, 192 (Calovevora, Veragua). — 

 Sclater, Cat. Birds Brit. Mus., xv, 1890, 108, part (Calovevora, Venigua; 

 Irazii distr., Costa Rica). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 

 1891, 163, part (Angostura, "Pirris," i. e., Birris, Cer\'antes, and Volcan de 

 Irazu, Costa Rica; Calobre and Calovevora, Veragua). 



[Xenicopsis] subalaris Sharpe, Hand-list, iii, 1901, 71, part (Costa Rica; Panama). 



Xenicopsis sxtbalaris lineatus Bangs, Proc. New Engl. Zool. Club, iii, Jan. 30, 

 1902, 44 (Boquete and Volcan de Chiriqui, 4,500-7,800 ft., Panamd).— 

 Carriker, Ann. Carnegie Mus., vi, 1910, 643 (Costa Rica; crit.). — Ferry, 

 Pub. 146, Field Mus. N. H., orn. ser., i, no. 6, 1910, 270 (Coliblanco, Costa 

 Rica; crit.). 



Genus AUTOMOLUS Reichenbach. 



Automolus (not Automolis Hiibner, 1816), Reichenbach, Handb. Spec. Om., 

 1853, 174. (Type, Sphenura sulphurasceyis Lich.tenstem= Ajiabates Icucoph- 

 thalmiis Maximilian.) 



Cichlocolaptes Reichenbach, Handb. Spec. Om., 1853, 174. (Type, Anabates 

 ferruginolentus Maximilian. ) 



IpoborusO' Cabanis and Heine, Mus. Hein., ii, Aug. 26, 1859, 31. (Type, 

 Sphenura sulphurascens Lichtenstein= ^na6ates leucophthalmus Maximilian.) 



Large Furnariidae (length about 180-200 mm.) with roundish, non- 

 operculate nostrils, basal phalanx of middle toe not wholly united to 

 lateral toes, rather long and narrow bill (culmen, from base, longer 

 than tarsus), and unstreaked coloration. 



Bill nearly as long as head, narrow, compressed, its width at loral 

 antiae much less than its depth at same point and contained two and a 

 half to more than three times in distance from nostril to tip of maxilla; 

 culmen longer than tarsus, broadly and rather indistinctly ridged, 

 nearly straight or very slightly curved for basal half or more, mod- 

 erately and gradually decurved terminally, the tip of maxilla distinctly 

 decurved but not uncinate; tomia straight for most of their length, 

 slightly but distinctly decurved terminally, without trace of notch; 



o "Von '((/) (Holzwunu) und ^i^pwoKui (fressen)." (Cabanis and Heine.) 



