BIRDS OF NORTH AND MIDDLE AMERICA. 21 
Cascajil, Coclé), and southward through Colombia and Ecuadér to 
northern Peru. 
Cymbilanius lineatus (not Lanius lineatus Leach) Lawrence, Ann. Lyc. N. Y., 
vii, 1862, 293 (Lion Hill, Panam4); ix, 1868, 107 -(Angostura, Costa 
Rica).—SciaTer and Satvin, Proc. Zool. Soc. Lond., 1864, 355 (Lion Hill; 
crit.).—Satvin, Proc. Zool. Soc. Lond., 1867, 144 (Santiago and Santa Fé de 
Verfgua, Panam4); 1870, 194 (Mina de Chorcha, Calovevora, and Calobre, 
: Panam4).—Franrzivs, Journ. fiir Orn., 1869, 305 (Costa Rica). —Satvin and 
GopMANn, Biol. Centr. Am., Aves, ii, 1892, 194, part (excl. South Am. locali- 
ties and references). 
(?)Cymbilanius lineatus SctateR, Proc. Zool. Soc. Lond., 1854, 112 (Quijos, 
Ecuador); 1858, 65 (e. Ecuadér), 206, part (monogr.).—ScnaTER and Saxvin, 
Proc. Zool. Soc. Lond., 1866, 566 (Rio Ucayali, e. Peru); 1873, 272 (Nauta 
and Pebas, e. Peru); 1879, 524 (Remédios and Nechi, Antioquia, Colom- 
bia).—Taczanowsk1, Proc. Zool. Soc. Lond., 1874, 529 (Monterico, centr. 
Peru); Orn. du Pérou, ii 1884, 1—Atien, Bull. Am. Mus., ii, 1889, 74 (Rio 
Napo, e. Ecuadér).—Harrert, Novit. Zool., v, 1898, 492 (Cachavi, n. w. 
Ecuadér).—Satvapori and Festa, Boll. Mus. Zool., etc., Torino, xv, no. 362, 
1899, 27 (Valle del Rio Santiago, e. Ecuadér).—BErLEpscn and SToLzMANnn, 
Proc. Zool. Soc. Lond., 1902, 59 (Monterico, Peru). 
[Cymbilanius] lineatus ScLatER and Satvin, Nom. Av. Neotr., 1873, 69, part.— 
SHarpe, Hand-list, iii, 1901, 9, part. 
Cymbilanius lineatus fasciatus Ripaway, Proc. U. 8. Nat. Mus., vi, no. 26, April 
11, 1884, 404 (Los S&balos, Nicaragua; coll. U.S. Nat. Mus.), 415 (Rio Siicio, 
Costa Rica).—ZeELEDON, An. Mus. Nac. Costa Rica, 1887, 114 (Jiménez, Costa 
Rica; Panam4).—Ricumonp, Proc. U. 8. Nat. Mus., xvi, 1893, 498, 499 (Rio 
Escondido, Nicaragua; crit.)—Banes, Proc. New Engl. Zool. Club, ii, 1900, 
24 (Loma del Leén, Panam4).—Carrrxer, Ann. Carnegie Mus., vi, 1910, 600 
(Caribbean lowlands and foothills Costa Rica; habits)—Frrry, Pub. 146, 
Field Mus. N. H., orn. ser., i, no. 6, 1910, 271 (Guayabo, Costa Rica). 
Cymbilanius lineatus (fasciatus) Ripaway, Proc. U. S. Nat. Mus., vi, 1883, 415 
(Rio Sticio, Costa Rica). 
(?) Thamnophilus nigricristatus (not of Lawrence) Boucarp, Proc. Zool. Soc. 
Lond., 1878, 60 (San Carlos, Costa Rica). 
Genus THAMNISTES Sclater and Salvin. 
Thamnistes-Sctater and Savin, Proc. Zool. Soc. Lond., 1860, 299. (Type, T. 
anabatinus Sclater and Salvin.) 
Medium-sized or rather small Formicariide (length about 130 
mm.) with rather large, stout, and strongly hooked bill, small, cir- 
cular nostrils and coloration plain brown above with wings and tail 
more rufescent (adult male with a concealed dorsal patch of ochra- 
ceous or tawny), the under parts plain olive-buffy or yellowish. 
Bill a little shorter than head, rather stout, strongly hooked, its 
width at frontal antie greater than its depth at same point and equal 
to about half the distance from nostril to tip of maxilla; culmen very 
slightly curved from base to near tip, where strongly decurved, the 
tip of maxilla conspicuously uncinate; maxillary tomium nearly 
straight, deeply notched subterminally; mandible subfalcate (slightly 
recurved terminally), the tomium nearly straight, distinctly toothed 
