aitiua Ui<- iNUitTJi AND MIDDLE AMERICA 9 



bb. Entire base of bill, including cere and mesorhinum, nude, the forehead (to- 

 gether with rest of pileura) covered with relatively large, distinctly outlined, 

 more or less elongated feathers, forming when erected a bushy crest ; crown 

 without a bony protuberance; loral and orbital regions nude (the former some- 

 times partly feathered) ; feathers of hindneck not sublanceolale, but rounded 

 or, sometimes, blended. (Penelopinae.) 

 c. Outer primaries with inner webs not distinctly, if at all, incised distally, never 

 with attenuated tips. 

 d. Throat without a median feathered area. 

 e. Chin (sometimes more or less of upper throat also) feathered; lower 

 throat with wattle or dewlap less developed, sometimes not evident; 

 sexes alike in color, the plumage never uniform black. 



Penelope (p. 20) 



ee. Chin, as well as whole throat, nude ; lower throat with wattle or dewlap 



conspicuously developed ; pileum less distinctly crested ; sexes very 



different in color, adult males uniform black Penelopina (p. SO) 



dd. Throat with a median feathered strip, completely nude laterally only. 



Ortalis (p. 28) 

 cc. Outer primaries with inner webs deeply incised distally, their terminal portion 

 narrowly falcate. 

 d. Foreneck more or less naked and wattled or caruncled. 

 e. Foreneck mostly naked, with a median wattle or dewlap. 



PipUe (extralimital)' 

 ee. Foreneck mostly feathered and with a long fusiform tubercle. 



Aburria (extralimital)' 

 dd. Foreneck entirely feathered and without wattle or caruncle. 



Chamaepetes (p. 5S) 



Genus CRAX Linnaeus 



Cra.t Linnaeus, Syst. Nat., ed. 10, i, 1758, 157. (Type, by subsequent designation, 

 Crax rubra Linnaeus (Ridgway, Man. North Amer. Birds, ed. 2, 1896, 207).) 



Cra.ra (emendation) Billberg, Synop. Faunae Scand., i, pt. 2, 1828, table A. 



Alector Merrem, Av. Rar. Icon, et Descr., fasc. 2, 1786, 40. (Type, by tautonymy, 

 Crax alector Linnaeus.) 



Crossolaryngus Reichenbach, Handb. Orn., Columb., 1861, 136. (Type, as desig- 

 nated by Sclater and Salvin, 1870. Crax globulosa Spix.) 



Mituporanga Reichenbach, Handb. Orn., Columb., 1861, 1-36. (Type, as desig- 

 nated by Sclater and Salvin, 1870, Crax globicera Linnaeus.) 



Sphaerolyiigus Reichenbach, Handb. Orn., Columb., 1861, 136. (Type, by monotypy, 

 Crax alberti Fraser.) 



Very large Cracidae (length about 762-916 mm.), with bill deep and 

 compressed, the culmen mesorhinium long and more or less arched, the 



' Pipile Bonaparte, Compt. Rend., xlii, 1856, 877 (type, by tautonymy, Penelope 

 leucolophos Merrem = Crax pipile Jacquin). — Cumana Coues, Auk, xvii, 1900, 65 

 (new name for Pipile Bonaparte, alleged to be preoccupied by Pipilo Vieillot, 1816) . 

 Colombia to Guiana, upper Amazon Valley, and southeastern Brazil. (Three species.) 



^Aburria Reichenbach, Av. Syst. Nat. Vog., 1-852, xxvi (type, by original desig- 

 nation and monotypy, Penelope canmculata Temminck ^ aburri Lesson). — Opetiop- 

 tila Sundevall, Tentamen, 1873, 118 (new name for Aburria Reichenbach, on 

 grounds of purism; 'o'Ti'Tjtlov, subula, Sundevall). Colombia and Ecuador. (Mono- 

 typic.) 



