304 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Columba flavirostris madrensis Nelson, Proc. Biol. Soc. Wash., xLi, Jan. 27, 



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



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

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



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

 [Columbal madrensis Sharpe, Hand-list, i, 1899, 70. 

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



(Tres Marias). 



CHLOR(ENAS FLAVIROSTRIS MINIMA (Carriker).'* 



COSTA RICAN RED-BILLED PIGEON. 



Similar to O.f. flavirostris, but smaller. 



Adult maZe.— 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).'' 



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, Chontales; Omotepe) and Costa Rica 

 (Ciruelas; Guayabo; Coliblanco; Juan Vinas; Turrialba; Naranjo de 

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

 R,ios; Sarchi; La Candelaria; Alajuela; El Zarcero de Alajuela; 

 Bolson; Bagaces; Barranca; Dota). 



Chlorcenas flavirostris (not Columba flavirostris Wagler) Lawrence, Ann. Lye. 

 N. Y., ix, 1868, 134 (Barranca and Dota, Costa Rica). — Frantzius, Journ. 

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

 28. 



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

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

 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, BaiTanca, 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 Sclater and Salvin, Nom. Av. Neotr., 1873, 132, part 

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



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

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

 Cartago; Juan Viiias; Bolson, and Bagaces). 



C' I am doubtful whether this can be maintained as a recognizable form. 

 ^ Six specimens. 

 •^ Three specimens. 



