JdlKOa Ol'- JNUKTijrAJNU MIDDLE AMERICA 253 



Dendrortyx leucophrys (not of Gould) Lawrence, Ann. Lye. Nat. Hist. New York, 

 ix, 1868, 140 (Dota and Las Cruees de Candelaria, Costa Riea).— Frantzius, 

 Journ. fiir. Orn., xvii, 1869, 373 (Costa Rica).— Boucard, Proc. Zool. Soc. 

 London, 1878, 42 (Volcan de Irazii, Costa Rica, 7,000 feet).— Zeled6n, Anal. 

 Mus. Nac. Costa Rica, i, 1888, 128 (La Raima de San Jose, Costa Rica).— 

 Ogilvie-Grant, Cat. Birds Brit. Mus., xxii, 1893, 394, part (Costa Rica) ; 

 Handb. Game Birds, ii, 1897, 114, part (Costa Rica) .— Salvin and Godman, 

 Biol. Centr.-Amer., Aves, iii, 1903, 289, part (Las Cruees de Candelaria, La 

 Palma de Jose, Dota Mountains, Poas, and Volcan de Irazii, Costa Rica). 



Dendrortyx hypospadias Salvin, Bull. Brit. Orn. Club, vi, 1896, v ("Azalia," i.e. 

 Azahar de Cartago, Costa Rica; coll. Salvin and Godman); Ibis, 1897, 112 

 (reprint of descr.). — Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1903, 

 289, part (Azahar de Cartago, Estrella de Cartago, Alajuela, and La Palma de 

 San Jose, Costa Rica). — Carriker, Ami. Carnegie Mus.. vi, 1910, 385 (Volcan 

 de Irazii, Costa Rica). — Peters, Check-list Birds of World, ii, 1934, 42. 



[Dendrortyx] hypospodius Sharpe, Hand-list, i, 1899, 44. 



Dendrortyx leucoplwys hypospodius Hellmayr and Conover, Cat. Birds Amer., i. 

 No. 1, 1942, 228 (syn.; distr.). 



[Dendrortyx leucophrys] hypospodius Wetmore, Proc. U. S. Nat. Mus., Ixxxix, 

 1941, 535 in text (Costa Rica; crit,). 



Genus OREORTYX Baird 



Orcortyx Baird, Rep. Pacific R. R. Surv., ix, 1858, xlv, 642. (Type, by original 



designation, Ortyx picta Douglas.) 

 Oreoortyx (emendation) Sclater, Proc. Zool. Soc. London, 1859, 236. 

 Orortyx (emendation) CouES, Check List North Amer. Birds, ed. 2, 1882, 98. 

 CalUpepla Reichenow, Die Vogel, i, 1913, 317, part. 



Rather large Odontophorinae (wing about 130-140 mm.) with tarsus 

 less than one-third as long as wing, tail less than three-fifths as long as 

 wing, scapulars, tertials, and rump unspotted, flanks broadly banded with 

 chestnut, white, and black, chest plain slate-gray, and crown with a long, 

 slender crest of two plumes. 



Bill relatively small, the chord of culmen (from extreme base) much 

 less than half as long as tarsus (but slightly exceeding length of basal 

 phalanx of middle toe; depth of bill at base slightly exceeding distance 

 from anterior end of nasal fossa to tip of maxilla, slightly exceeding its 

 width at rictus; culmen moderately convex, not distinctly ridged (the 

 ridge rather broad and rounded). Outermost primary intermediate in 

 length between seventh and eighth (from outside), the fourth and fifth 

 longest. Tail scarcely more than half as long as wing, moderately rounded, 

 the rectrices (12) firm, broad, and rounded at tips. Tarsus decidedly 

 less than one-third as long as wing, shorter than middle toe with claw, 

 the planta tarsi mostly covered on outer side by a posterior continuous 

 series of rather large transverse scutella, the inner side covered by smaller, 

 more hexagonal scales. 



Plumage and coloration. — A conspicuous crest of two elongated, slender, 

 nearly straight plumes springing from center of vertex, their webs con- 



