BIRDS OF NORTH AND MIDDLE AMERICA. 493 



coverts rather broadly tipped with cinnainon or dull tawny, forming 

 two distinct bands, the secondaries broadly edged (except basally) 

 with the same, the ])rimaries narrowly edged with light grayish olive; 

 an indistinct supraloral streak and narrow orbital ring dull white; 

 rest of sides of head, including lores, dull slate color, the auricular re- 

 gion with narrow shaft-streaks of white ; chin and throat dull grayish 

 white, faintly tinged with pale yellowish; chest and sides plain ochra- 

 ceous-cinnamon, the remaining under parts pale canary or deep prim- 

 rose yellow; axillars and under wing-coverts light ochraceous-cinna- 

 mon or cinnamon-bufl"; maxilla dusky brown or brownish black, 

 mandible deep brownish, slightly paler basally ; legs and feet brownish 

 (in dried skins); length (skins), 110-124 (117); wing, 59-60 (59.5); 

 tail, 52-53.5 (52.8); exposed culmen, 11-12.5 (11.8); tarsus, 14.5-15 

 (14.8); middle toe, 8-8.5 (8.3).« 



Adult female. — Similar to the adult male, but back, etc., more brown- 

 ish olive or olive-brown, and 3 ellow of posterior under parts slightly 

 deeper;'' length (skins), 112; wing, 55.5; tail, 49; exposed culmen, 

 11.5; tarsus, 14.5; middle toe, 8. '^ 



Eastern Costa Rica (Tucurriqui; Jimenez; Concepcion, near Jime- 

 nez) and eastern Nicaragua (Los Sabalos). 



Myiobius capitalis Salvin, Proc. Zool. Soc. Lond., 18G4 (pub. Apr. 1, 1865), 583 

 (Tucurriqui, Costa Rica; coll. Salvin and Godman). — Lawrence, Ann. Lye. 

 N. Y., ix, 1868, 114 (Tucurriqui).— Frantzius, Journ. fiir Orn., 1869, 308 

 (Costa Rica).— Nutting, Proc. U. S. Nat. Mus., vi, 1883, 403 (Los Sabalos, 

 Nicaragua). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1889, 59, pi. 40, 

 fig. 1. 



[Myiobms\ capitalis Gray, Hand-list, i, 1869, 359, no. 5454. — Sclater and Sai.vin, 

 Nom. Av. Neotr., 1873, 51.— Sharpe, Hand-list, iii, 1901, 134. 



M[itrephanes] capitalis Ridgway, Proc. U. S. Nat. Mus., vi, 1883, 403 (Los Sabalos, 

 Nicaragua; crit. and description). 



Mitrephanes capitahs Sclater, Cat. Birds Brit. Mus., xiv, 1888, 220. 



Aphanotriccus capitalis Ridgway, Proc. Biol. Soc. Wash., xviii, Sept. 2, 1905, 207. 



Genus TERENOTRICCUS Ridgway. 



Terenotriccus d Ridgway, Proc. Biol. Soc. Wash., xviii, Sept. 2, 1905, 207. (Type, 

 ' Myiobius fulvigularis Salvin and Godman.) 



Very small Tyrannidse (wing about 50-53 mm.) with second pha- 

 lanx of middle toe united for basal half to outer toe, acrotarsial scutella 

 ol)s()lcte, rictal bristles as long as the rather small, depressed, triangu- 

 lar l)il.l, and coloration mostly i)lain ochraceous. 



a Two specimens. 



b The difference in all probability not sexual, but perhaps depending on fresher plum- 

 age of the female, the male from the same locality (Jimenez, eastern Costa Rica) agi-ee- 

 ing exactly in coloration with one from Los Sabalos, eastern Nicaragua. The two males 

 were collected January 10 and May 4, respectively; the female in June. 



cOne specimen. 



dTipevo?, soft, delicate; rpiKKoi;, a small l)ir(l. 



