BIRDS OP NORTH AND MIDDLE AMERICA 405 



KEY TO THE FORMS OF RHYNCHORTYX CINCTUS (SALVIN) 



a. Forehead and cheeks orange-rufous; breast gray (males). 



h. Lower back and rump darker — Dresden brown or darker; gray of breast 

 darker — between deep neutral gray and slate color. 



Rhynchortyx cinctus australis (extralimital)'' 

 bb. Lower back and rump paler — pale olive-buflfy-brown or grayer ; gray of breast 

 paler — between neutral gray and deep neutral gray. 

 c. Lower abdomen very largely white. 

 d. Thighs whitish, only faintly barred (Caribbean slope of eastern Darien). 



Rhynchortyx cinctus hypopius (p. 409) 

 dd. Thighs pale buffy, barred with dusky (tropical zone of Honduras and 



Nicaragua) Rhynchortyx cinctus pudibundus (p. 405) 



cc. Lower abdomen with only a small amount of white (Panama, except the 



Caribbean slope of Darien) Rhynchortyx cinctus cinctus (p. 408) 



aa. Forehead and cheeks not orange-rufous, but reddish brown ; breast reddish brown 

 (females). 

 h. Bars on abdomen very dark — fuscous to fuscous-black. 



Rhynchortyx cinctus australis (extralimital) 

 bb. Bars on abdomen paler — dark sepia or paler. 

 c. Lower abdomen very largely white. 



d. Cheeks duller— dark olive-brown (tropical zone of Honduras and 



Nicaragua) Rhynchortyx cinctus pudibundus (p. 405) 



dd. Cheeks brighter — amber brown (Caribbean slope of eastern Darien). 



Rhynchortyx cinctus hypopius (p. 409) 



cc. Lower abdomen with only a small amount of white (Panama except the 



Caribbean slope of Darien) Rhynchortyx cinctus cinctus (p. 408) 



RHYNCHORTYX CINCTUS PUDIBUNDUS Peters 



Honduranian Long-legged Colin 



Adult male. — Forehead, lores, broad superciliaries, cheeks, sides of 

 throat, and auriculars bright amber brown w^ith a strong suffusion of 

 orange-rufous ; a narrow dusky Hne from the anterior angle of the eye 

 to the lores, and a broader one of mummy brown from the posterior angle 

 of the eye to the auriculars ; crown and occiput dark Prout's brown to 

 chestnut-brown, some of the feathers with minute terminal spots of 

 blackish and with faint buffy shafts ; nape and interscapulars neutral gray, 

 the feathers very broadly edged with auburn ; scapulars and a row of 

 feathers across the upper back just posterior to the interscapulars with 

 their inner webs fuscous to fuscous black basally flecked and flecked with 



^Rhynchortyx cinctus australis Chapman. — Rhynchortyx cinctus (not Odonto- 

 phorus cinctus Salvin) Hartert, Nov. Zool., ix, 1902, 600 (Bulieu, Rio Bogota, and 

 Pambilar, nw. Ecuador; crit.) ; Hellmayr, Proc. Zool. Soc. London, 1911, 1206 

 (Colombia; Sipi, Choco; plum.). — Rhynchortyx cinctus australis Chapman, Bull. 

 Amer. Mus. Nat. Hist., xxxiv, 1915, 365 (Barbacoas, w. Columbia; coll. Amer. Mus. 

 Nat. Hist.) ; xxxvi, 1917, 202 (Choco, Andagueda, Bagado, Baudo, and Barbacoas, 

 Pacific coast of Colombia; descr.) ; Iv, 1926, 161 (nw. Ecuador) ; Peters, Check- 

 list Birds World, ii, 1934, 58 (distr.) ; Hellmayr and Conover, Cat. Birds Amer., i, 

 No. 1, 1942, 289 (syn.; distr.), 



653008'— 46 27 



