666 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Length (skins), 208-246 (224) ; wing, 1 17.5-137 (124.9) ; 

 tail, 82-100 (90.5); exposed culmen, 27-34 (30.6); tarsus, 19-21.5 

 (20.3); middle toe, 14.5-17.5 (16.3).« 



AcMt female. —Length (skins), 213-240 (224); wing, 111.5-132.5 

 (121.3); tail, 86.5-93 (88.7); exposed culmen, 28.5-32.5 (.30.3); tar- 

 sus, 19.5-22.5 (20.4); middle toe, 15-18.5 (16.4).^ 



Southeastern Mexico to Panama. Mexico: Tamaulipas (Alta Mira) ; 

 Vera Cruz (Jalapa; Orizaba; Antigua; Papantla; Pasa Nueva; Mot- 

 zorongb). Puebla (Metlaltoyuca). Oaxaca (Chihuitan; Guichicovi; 

 Santo Domingo ; Santa Efigenia ; Tehuan tepee). Tabasco (Frontera). 

 Chiapas (Huehuetan; Ocuilapa). Yucatan (Merida; La Vega; 

 Temax; Chichen-Itza) . Guatemala: Choctum; Salama; Rio Man- 

 agua; Naranjo; Secanquim; Vera Paz. Honduras: Taulavi; Ceiba; 

 Yaruca; Segovia River. Nicaragua: Chontales; Greytown; Managua; 

 Chinandega; San Juan del Sur; Rio Escondido. Costa Rica: Tur- 

 rialba; Grecia; Barranca; San Jose; Dota; Sipurio; La Cedra de 

 Aserri ; Carrillo ; Bonilla ; Jimenez ; Volcan de Miravalles ; San Lucas. 

 Panama: Panama; Divala; Boquete; El Banco. 



Scaphoihynchus viexicanus Lafresnaye, Rev. et. Mag. deZool., iii, Oct., 1851, 473 

 (Mexico; type now in coll. Bost. Soc. N. H.). — Sclater, Proc. Zool. See. 

 Lend., 1857, 204 (Jalapa, Vera Cruz); 1858, 358 (Taulavi, Honduras); Ibis, 

 1859, 120, 438 (Jalapa and Orizaba, Vera Cruz). — Salvin and Sclater, Ibis, 

 1859, 120 (Guatemala).— Taylor, Ibis, 1860, 113 (Taulavi, Honduras).— 

 SuMicHRAST, Mem. Bost. Soc. N. H., i, 1869, 556 (Vera Cruz). 



M[egarhynchus] mexicanus Heine, Journ. fiir Orn., 1859, 346 (crit.). — Cabanis and 

 Heine, Mus. Hein., ii, 1859, 64, footnote (Mexico and Central America). 



Megarhynchus mexicanus Cabanis, Journ. fiir Oni., 1861, 246 (Costa Rica). — 

 ScLATEK, Cat. Am. Birds, 1862, 224 (Orizaba; Choctum, Guatemala). — Law- 

 rence, Ann. Lye. N. Y., vii, 1862, 295 (Panama); viii, 1867, 182 (Greytown, 



a Thirty-four specimens. 

 b Fourteen specimens. 



