70 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Andres Tuxtla and Playa Vicente, Vera Cruz; Teapa, Tabasco; Santa 

 Efigenia, Oaxaca; Duenas, and Savana Grande, Guatemala; Volcan de 

 San Miguel, Salvador; San Pedro, Honduras; OHnandega, Matagalpa, etc., 

 Nicaragua; Barranca, etc., Costa Rica; David, etc., Panama).— Bangs, 

 Proc. New Engl. Zool. Club, ii, 1900, 16 (Lion Ball, Panama; crit.); iii, 1902, 

 24 (Boquete, Chiriqui, Panama, 4,000-5,600 ft.).— Thayer and Bangs, Bull. 

 Mus. Comp. Zool., xlvi, 1906, 215 (Sabana de Panama). 



[Diplopterus] nxvius Sclatbb and Salvin, Nom. Av. Neotr., 1873, 107, part (Cen- 

 tral America; Mexico).— -Sharpe, Hand-list, ii, 1900, 175, part (Mexico to 

 Panama).— Forbes and Robinson, Bull. Liverpool Mus., i, no. 2, 1898, 46, 

 part (Guatemala). 



Tapera nsevia Dearborn, Pub. 125, Field Mus. N. H., 1907, 87 (Gualan, Guate- 

 mala).— Carriker, Ann. Carnegie Mus., vi, 1910, 567 (San Lucas, Alajuela, 

 Bebedero, Bolson, Volcan de Poas, and Turrucares, Costa Rica; crit.). 



Genus MOROCOCCYX Selater. 



Morococeyx Sclater, Cat. Am. Birds, 1862, 322. (Type, Coceyzus erythropyga 

 Lesson.) 



Medium-sized or rather small terrestrial Cuculinse (length about 

 225-280 mm.) with bill about as long as head or a little shorter, 

 stout, distinctly decurved terminally; tarsus much longer than middle 

 toe with claw (much more than one-third as long as wing) stout; lores 

 partly naked; tail-coverts short, feathers of rump downy, semi- 

 decomposed ; the upper parts olive-brownish, the wings dull greenish 

 bronze, the tail dull purplish bronze, the underparts plain buff to 

 tawny-ochraceous. 



Bill nearly if not quite as long as head, rather stout, compressed, 

 and distinctly decurved terminally, its depth at anterior end of nos- 

 trils greater than its width at same point; exposed culm en about as 

 long as middle toe without claw, more and more decurved toward 

 tip, broadly rounded; gonys decidedly longer than mandibular rami, 

 very faintly concave terminally, rounded; maxillary tomium strongly 

 concave anteriorly, nearly straight but rather strongly deflected for 

 basal half or more, without trace of subterminal notch. Nostril 

 narrowly elliptical, longitudinal, in lower anterior end of nasal fossa. 

 Wing short and much rounded, the longest primaries exceeding distal 

 secondaries by less than half the distance from nostril to tip of max- 

 illa; fourth, fifth, and sixth primaries longest, the third and seventh 

 slightly shorter, the ninth much shorter than distal secondaries, the 

 tenth (outermost) less than half as long as the longest; alulae longer 

 than primary coverts. Tail less than one and a half times .as long as 

 wing, graduated for about one-third its length, the rectrices broadly 

 rounded at tip. Tarsus much longer than middle toe with claw, much 

 more than one-third as long as wing, very stout. 



Plumage and coloration. — Orbital region and part of loral region 

 naked; eyelashes strongly developed, the lower eyelid, as well as the 

 upper, with distinct though smaller lashes; no rictal or other antrorse 



