24 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Length, (skins), 126-135.5 (130.4); wing, 65-69.5 

 (67.7); tail, 48-52 (49.7); culmen, 18-19.5 (18.7); tarsus, 19-20.5 

 (19.6); middle toe, 11-13 (11.8)." 



Adult female.— Length 121-148 (131); wing, 61.5-69 (65.9); tail, 

 45.5-53.5 (50.7); culmen, 17.5-20.5 (20.1); tarsus, 19.5-20.5 (20.1); 

 middle toe, 11-12.5 (11.7).« 



Costa Rica (Angostura; Tucurriqui; Jimenez; Volcan de Turrialba; 

 Carrillo; La Hondura; Pacuare; Naranjo de Cartago; Guapiles; El 

 Hogar; Bonilla; La Balsa; Tuis; LaVijagua; CariblancodeSarapiqui; 

 El Pozo de Terraba; Pozo del Pital) and western Panama (Calobre; 

 Calovevora; Bugaba; Volcan de Chiriqui, 2,000-3,000 feet). 



Thamnistes anabatinus (not of Sclater and Salvin) Lawrence, Ann. Lye. N. Y., 

 ix, 1868, 107 (Angostura and Tucurriqui, Costa Rica). — Frantzius, Joiu-n. 

 fur Orn., 1869, 305 (Costa Rica).— Salvin, Proc. Zool. Soc. Lond., 1870, 194 

 (Calov^vord and Bugaba, PanamA; crit.). — Zeled6n, Anal. Mus. Nac. Costa 

 Rica, i, 1887, 114 (Angostura, Pacuare, and Naranjo, Costa Rica). — Salvin 

 and Godman, Biol. Centr.-Am., Aves, ii, 1892, 205, part (Costa Rican and 

 Panaman localities and references). — Cherrie, Anal. Inst. Fis.-Geog. Costa 

 Rica, vi, 1893, 19 (Pozo del Pital, Costa Rica).— Bangs, Proc. New Engl. 

 Zool. Club, iii, 1902, 41 (Volcan de Chiriqui, Panamd, 2,000-3,000 ft.). 



[Thamnistes] anabatinus Sclater and Salvin, Nom. Av. Neotr., 1873, 70, part. — 

 Sharpe, Hand-list, iii, 1901, 17, part. 



Thamnistes anabatinus saturatus Ridgway, Proc. Biol. Soc. Wash., xxi, Oct. 20, 

 1908, 193 (Bonilla, Costa Rica, 2,600 ft.; coll. U. S. Nat. Mus.).— Carriker, 

 Ann, Carnegie Mus., vi, 1910, 605 (Costa Rican range; crit.; habits). 



Genus ABALIUS Cabanis. 



Ahalius b Cabanis, Journ. fiir Orn., ix, July, 1861, 242. (Type, Thamnophilus 

 punctatus Cabanis =T. bridgesi Sclater.) 



Medium-sized Formicariidse (length about 155 mm.) with tail nearly 

 as long as wing, pileum not crested, the adult male black (under parts 

 of body more gray or slate colored) with small white tips to wing- 

 coverts and lateral rectrices, adult females slate color or olive streaked 

 with whitish. 



Bill about as long as head rather stout, moderately compressed, 

 distinctly hooked; exposed culmen about as long as tarsus, distinctly 

 ridged, gently curved from near base to beyond middle, where more 



b "Von a, privativum und fiaMc, scheckig, bunt " (Cabanis.) 



