304 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Cplumba flavirostris madrensis Nelson, Proc. Biol. Soc. Wash., xii, Jan. 27, 



1898, 6 (Maria Madre I., Tres Marias group, w. Mexico; coll. U. S. Nat. 



Mus.).— Bailey (H. H.), Auk, xxiii, 1906, 385 (Cleofa I., Tres Marias). 

 [Columba] flavirostris subsp. madrensis Forbes and Robinson, Bull. Liverp. 



Mus., ii, 1900, 132 (reprint of orig. descr.). 

 [Columba] madrensis Shahpe, Hand-list, i, 1899, 70. 

 Columba madrensis Salvin and Godman, Biol. Centr.-Am., Aves, iii, 1902, 235 



(Tres Marias). 



CHLORCENAS FLAVIROSTRIS MINIMA (Carriker).o 



COSTA KIOAN BED-BILLED PIGEON. 



Similar to O.f. flavirostris, but smaller. 



Adult male.— Length (skins), 280-330 (303.2); wing, 185-198 

 (191.2); tail, 111-120 (115.5); culmen, 12.5-14 (13.5); tarsus, 23-27 

 (21.6); middle toe, 27.5-30 (29.1). 6 



Adult female.— Length, (skins), 295-338 (312); wing, 181-185 

 (183.7); tail, 112-118 (114.7); culmen, 13.5-14.5 (13.8); tarsus,' 

 23.5-25 (24.2); middle toe, 26.5-29 (27.7) .<= 



Nicaragua (La Libertad, Chon tales; Omotepe) and Costa Rica 

 (Ciruelas; Guayabo; Coliblanco; Juan Vinas; Turrialba; Naranjode 

 Cartago; Cartago; Laguna de Coris; Tamb6r; Cuadros de Irazu; Tres 

 Rios; Sarchi; La Candelaria; Alajuela; El Zarcero de Alajuela; 

 Bols6n; Bagaces; Barranca; Dota). 



Chloromas flavirostris (not Columba flavirostris Wagler) La whence, Ann. Lye. 

 N. Y., ix, 1868, 134 (Barranca and Dota, Costa Rica). — Fhantzitts, Joum. 

 fur Orn., 1869, 370 (Costa Rica).— Zeled6n, Cat. Aves de Costa Rica, 1882, 

 28. 



Columba flavirostris Zeled6n,. Anal. Mus. Nac. C. R., i, 1888, 127 (Cartago, 

 Turrialba, Alajuela, and El Zarcero de Alajuela, Costa Rica). — Salvadobi, 

 Cat. Birds Brit. Mus., xxi, 1893, 285, part (Dota, Costa Rica; La Libertad, 

 Chontales, Nicaragua). — Salvin and Godman, Biol. Centr.-Am., Aves, iii, 

 1902, 234 (Dota, Cartago, Turrialba, El Zarcero de Alajuela, Barranca, Laguna 

 de Coris, Tambor, Cuadros de Irazu, Tres Rios, Sarchi, and Candelaria, 

 Costa Rica; Omotepe, and La Libertad in Chontales, Nicaragua). — Ferry, 

 Pub. 146, Field Mus. N. H., 1910, 261 (Guayabo, Costa Rica; habits). 



[Columba] flavirostris Sclateb and Salvtn, Nom. A v. Neotr., 1873, 132, part 

 (Costa Rica).— Sharpe, Hand-list, i, 1899, 70, part (Costa Rica). 



Columba flavirostris minima Carriker, Ann. Carnegie Mus., vi, 1910, 392 (Ciruelas, 

 Costa Rica; coll. Carnegie Mus.; also, Guayabo, Coliblanco, Naranjo de 

 Cartago; Juan Vifias; BolBon, and Bagaces). 



<» I am doubtful whether this can be maintained as a recognizable form. 

 6 Six specimens. 

 c Three specimens. 



