34 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult female. — Pileum deep cinnamon-rufous or rufous-chestnut; 

 back, scapulars, and rump plain buffy cinnamon, the first deeper, 

 inclining to russet; outer row of scapulars grayish brown, broadly 

 edged with buff; wings and tail as in adult male, but the former 

 with marldngs buff instead of white, and ground color of coverts 

 less dark; sides of head, chin, and throat, pale buff or buffy white, 

 the former barred and streaked ■u'ith blackish; rest of under parts 

 plain buff or clay color, sUghtly paler medially, especially on abdo- 

 men; maxilla horn color, mandible much paler; legs and feet horn 

 color (in dried skins); wing, 69-73.5 (71.8); tail, 56-61 (58); culmen, 

 18-18.5 (18.2); tarsus, 26-26.5 (26.2); middle toe, 14-15 (14.5).« 



Northern Colombia (Rio Atrato; Rio Truando; Cartagena; Saba- 

 nilla; Barranquilla; Santa Marta, Bonda, and Cienega, Santa Marta; 

 Valencia) . 



H[ypolophus] pulchellus Cabanis and Heine, Mus. Hein., ii, Aug., 1859, 16 



(Cartagena, Colombia; coll. Heine Mus.). 

 Thamnophilus pulchellus Berlepsch, Ibis, Apr., 1881, 245 (crit.).— Sclater, 



Cat. Birds Brit. Mus., xv, 1890, 204 (Valencia, Santa Marta, and Barranquilla, 



Colombia).— Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 201 



(Rio Truando, Santa Marta, and Cartagena, n. Colombia).— Allen, Bull. Am. 



Mus. N. H., xiii, 1900, 161 (Bonda and Cienega, Santa Marta, Colombia). 

 [Thamnophilus] pulchellus Sharpe, Hand-list, iii, 1901, 15. 

 Thamnophilus, sp.?, Cassin, Proc. Ac. Nat. Sci. Philad., 1860, 189, no. 88 (Rio 



Truando). 

 Thamnophilus leticnuchen (not of Sclater, 1855), Sclater, Cat. Am. Birds, 1862, 



174, part (Santa Marta). — Salvin and Godman, Ibis, 1881, 171 (Santa Marta). 



Genus THAMNOPHILUS Vieillot. 



Thamnophilus b Vieillot, Analyse, 1816, 40; Nouv. Diet. d'Hist. Nat., iii, 1816, 

 308.C (Type, Pie-Gricche rayee—Fourmillier huppe BuEon=Lanius doliatus 

 Linnaeus.) 



Tamnophilus Vieillot, Analyse, 1816, 70.— D'Orbigny and Lafresnaye, Mag. 

 de Zool., 1849 (Synop. Av., p. 10). 



Medium-sized Formicariidse (length about 150-160 mm.) with bill 

 much shorter than head, not compressed, its terminal unguis small; 

 adult males with under parts (usually upper parts also) conspicu- 

 ously barred with black and white, or (in T. virgatus) dull slate-gray 

 streaked with whitish ; adult females and young tawny or rufous 

 above, ochraceous or buff below.** 



Bill much shorter than head (exposed culmen shorter than middle 

 toe with claw), broader than deep at frontal antiae, where its width 

 is equal to much more than half the distance from nostril to tip of 

 maxilla; culmen broad, indistinctly ridged, slightly convex from 



o Three specimens. (All the specimens examined are in bad condition, and some 

 measurements can not be made from them.) 



b From T&iivoc, frutex, and <l)iXiaj, gaudco. (Vieillot.) 



c Type given as "Lanius turdus Lath [am]." 



<* The female and young of T. virgatus unknown, however. 



