BIRDS OF NORTH AND MTDDLE AMERICA. 773 



hh. No crest; base of bill without whitish lamina or incrustation. 

 J. Planta tarsi scutellate. 



;• Larg(>r (wing 140 mm., or more); adult male uniform black with 

 ■ v°llow on remiges, adult female olive-green passing into yel- 

 lowish on abdomen Tijuca (extralimital)« 



Smaller (wing not more than 125 mm.); adult males not black 

 nor with yellow on remiges. nor adult females plain olive- 



JJ- 



green . 



I: Tail longer, equal to length of wing from bend to end of sec- 

 ondaries; coloration olive-green above (the back brown in 

 one species), yellow l)(>low, the head and neck black in 



adult males AmpeUon (extralimital)b 



kk. Tail shorter, much shorter than wing from bend to end of 

 secondaries; coloration with neither olive-green nor yel- 

 low; head and neck never black, or else throat purple and 

 In-east white or reddish black. 

 I Bill very stout, its width at nostrils nearly equal to length 

 of gonys, the latter shorter than mandibular rami; adult 

 male with upper parts black, varied on wings, etc., with 

 white, the under parts white with purple throat. 



Porphyrolaema (extralimital)c 

 U. P.ill weaker, its width at nostrils decidedly less than length 

 of gonys, the latter equal to or longer than mandibular 

 rami; adult males with upper parts blue, green, wine red, 

 crimson-black, or very pale bluish gray; under parts 

 blue and purple, green and purple, wine red, crimson- 

 black, or entirely w^hite. 

 m. Bill weaker, with culmen less strongly curved, relatively 

 broader and more depressed basally ; outermost (tenth) 

 primary longer than fifth; adult males with outer- 

 most primaries narrow, attenuate terminally, upper 

 parts bright blue or bluish green, under parts blue or 

 bluish green with more or less of rich purple; adult 

 females brownish or dusky with ]x)th upper and under 

 parts more or less conspicuously squamated with 



whitish or buffy Cotinga (p. 778) 



mm. Bill stouter, with culmen more strongly curved, rela- 

 tively narrower and higher at base; outermost (tenth) 

 primary shorter than fifth; adult males with all the 

 primaries of normal shape; upper parts wine red, 

 crimson-black, or bluish white, wings mostly white, 

 and under parts wholly wine red, blackish crimson, 

 or white; adult females plain gray or grayish brown 

 above (the wings with broad white edgings), under 

 parts paler plain gray or grayish brown, more or less 

 whitish posteriorly. 



a Tijuca Lesson, CentTzool., 1830, 30, pi. 6. (Type, Tijuca nigra Lesson.)- Chry- 



soptcryx Swainson. Fauna Bor.-Am. . ii, 1831 . 492. (Type, Chrysopteryx erythrorhynchvs 

 SwAinson, =Tijuca nigra Lesson.) 



b impelion Cal)anis, in Tschudi's Fauna Peruana, Aves, 1845, 13/. (iype, Froc- 

 nias cucullata Swainson.)-.47npc/io (emendation) Cabanis. Mus. Hem., ii. 1859, 104.— 

 Carpornis Gray, Gen. Birds, i, 1846, 279. (Type. Pr^cnias mflanoccphalus Swainson.) 

 Two species, confined to southeastern Brazil. 



c Porphyrolxma Bonaparte, Consp. Voluc. Anisod., 1854. 5. ( Type. P. phygas Bona- 

 parte,= Co/in^a jmrphyrolxma Sclater.) One species in upper Amazons. 



