KIKDS OF NORTH AND MIDDLE AMKKICA. G(>D 



upper abdonuMi with broudor, more spot-like ])ars; leiii^tli (skin), l(»o; 

 wing, 61; tail, 23; oxposinl ciilmen, IS; tarsus, 23; middle toe, IG." 

 Eastern Costa Rica (Pacuare. Talamanca). 



Microcerculus luKcinid (not of Salvia) Zkledon, Cat. Aves de Costa Rica, 1882, 3; 

 Proc. U. S. Xat. Mas., viii, 18S5, 105; Anal. Mus. Nac. Costa Rica, i, 1888, 

 105 (Pacuare). 

 Microcerculus daulias Riix;\vay, Proc. U. S., Nat. Mus., x, sig. 32, Aii<j. 6, 1888, 

 508 (Talamanca, Costa Rica; coll. U. S. Nat. Mus.). — Zeledox, Anal. Mus. 

 Nac. Costa Rica, i, 1888, 105. 

 Microcerculus orphcus Ridgway, Proi-. U. S. Nat. Mus., xi, sig. 34, Sept. 20, 1880, 

 ^539 (Pacuare,'' Co.sta Rica; coll. ('. S. Nat. Mus.).— Zioi.kdox, Anal. .Mus. 

 *Nac. Costa Rica, i, 1888, 105. 



MICROCERCULUS LUSCINIA Salvin. 

 PANAMA NIGHTINGALE WREN. 



Similar to Jf. daulias^ but smaller, with under parts darker and nuich 

 mori^ uniform. 



A<h(lt mule. — Al)ove plain deep Vandyke l)rown (or between van- 

 dyke and nuunmy), beeomino- duller on pileum, where the feathers are 

 usually indistinctly margined with dusk}'; tail and remiges uniform 

 brownish black or blackish brown, the tertials more or less distinctly 

 edged with Vandyke ])rown; wing-coverts blackish brown or dusky, 

 hroadly margined with light vand3'ke or mummy broAvn; sides of 

 head, including loral, suborl)itab auricular, and malar regions, plain 

 l)rownish gra} ; chin and upper throat veiy pale plain brownish gray 

 or dull grayish white; lower throat more decidedly grav, deepening 

 on chest, breast, and upper abdomen into brownish mouse gray, the 

 feathers more or less distinctly margined with brown, sometimes very 

 faintly mottled or barred with brown or deeper gra}'; sides, flanks, 

 tiiighs. under tail-coverts, and lower abdomen plain deep Vandyke or 

 nuunmy l)rown; bill black, the under side of mandible (except termi- 

 nally) pale colored; legs and feet black or blackish brown; length 

 (skins), 1()I-]00.5 (103.5); wing, 58.5-59.5 (59.1); tail, 23.5-2-t.5 (2-I-); 

 exposed culmen, 17-18 (17.5); tarsus, 22.5-24.5 (23.5); middle toe, 

 U.5-15 (14.7).^ 



Addlt f,)inil,'. — Similar to the adult male, and i)erhaps not always 

 distinguishable, ))ut the single specimen examined is more strongly 

 suffused with brown on the chest, breast, and upper abdomen, where 

 the gray is largel}^ overlaid with a superficial wash of nnmmiy brown; 



"One specimen (type of M. daulias), from Talamanca. eastern Costa Rica; .lose C. 

 Zeledon. (No. 68287, coll. U. S. Nat. Mus.) 



'' Probably from some point on tbe Pacuare River, which is on the Atlantic side. 

 In the original descrijition the locality was erronet>usly ascribed to the Pacilic side. 



<^ Three specimens. 



