BIRDS OF NORTH AND MIDDLE AMERICA. 465 



365 (Meco, Mugeres, Holbox, and Cozum^l islands, Yucatan; crit.); Cat. 

 Birds Brit. Mus., xvi, 1892, 98, part (Alta Mira, Tampico, and Tantina, 

 s. Tamaulipas; Misantla, Vera Cruz; Cozum^l I., etc., Yucatan; Bonaca I., 

 Honduras; Belize, Brit. Honduras; Santa Ana and Escuintia, Guatemala). — • 

 BoucARD, Notes quelques Troch., 1873, 7 (Cordova and Jalapa, Vera Cruz); 

 Proc. Zool. Soc. Lond., 1883, 451 (Yucatan); Ann. Soc. Linn. Lyon, xx; 



1874, 275 (Cordova); Gen. Hum. Birds, 1895, 332, part (excl. syn. hendersoni 

 Cory).— Lawrence, BuH. U. S. Nat. Mus., no. 4, 1876, 32 (Santa Efigenia, 

 Oaxaca). — Elliot, Classif. and Synop. Troch., 1879, 39, part. — Stone, 

 Proc. Ac. Nat. Sci. Phila., 1890, 207 (between Ticul and Hxmal and at 

 Labna, Yucatan). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 

 278, part (localities in Tamaulipas, Oaxaca, Yucatan, and Brit. Honduras; 

 Uvero, etc.. Vera Cruz; Hacienda de la Concepcion, etc., Guatemala; San 

 Pedro, etc., Honduras).— Chapman, Bull. Am. Mus. N. H., viii, 1896, 284 

 (Chichen-Itza, Yucatan). — Lantz, Trans. Kansas Ac. Sci. for 1896-97 (1899), 

 221, part (Isabella, Brit. Honduras). 



L[amporni'^] prevosti Ridgway, Rep. U. S. Nat. Mus. for 1890 (1891), 377, part. — 



Simon, Rev. Fran?. d'Orn., no. 1, 1909, 9, 10, in text, part (crit.). 

 [Anthracothorax] prevostii Reichenbach, Aufz. der Colibr., 1854, 11; Troch. 



Enum., 1855, 8, pi. 792, figs. 4842-4844. 

 A[nthracothorax] p[revosti] prevosti Ridgway, Proc. Biol. Soc. Wash., xxiii, April 



19, 1910, 55, in text. 

 Lampornis thalassinus Ridgway, Proc. Biol. Soc. Wash., iii, Feb. 26, 1885, 3 



(Cozumel Island, Yucatan; coll. U. S. Nat. Mus.). 

 Lampornis prevosti thalassinus Ridgway, Proc. U. S. Nat. Mus., viii, no. 36, Oct. 



17, 1885, 573 (Cozumel; descr.; crit.). 

 Lavipornis mango (not Trochilus mango Linnaeus) D'Oca, La Naturaleza, iii, 



1875, 62; Troq. de Mex., 1875, 25, pi. (4), fig. 16.— Sanchez, Anal. Mus. 

 Nac. Mex., i, 1877, 96. 



L[(impornis] prevosti (typirns) Hartert, Das Tierreich, Troch., 1900, 98, part. 



ANTHRACOTHORAX PREVOSTH GRACILIROSTRIS Ridgway. 



SLENDER-BILLED MANGO. 



Similar to A. p. prevostii, but with decidedly shorter and more 

 slender bill; upper parts and sides decidedly less bronzy or golden 

 green, and under tail-coverts averaging darker. 



Adult ^na/g.— Length (skins), 105-119 (110); wing, 64-68 (65.9); 

 tail, 34.5-37 (35.3) ; "culmen, 23.5-25.5 (24.4).« 



Adult fevialc.—LeTigili (sldns), 105-118 (111); wing, 63.5-69 

 (65.2); tail, 33-38 (35.4); culmen, 22.5-28 (25.4).* 



Nicaragua (Los Sabalos; San Emilis, Lake Nicaragua; San Carlos; 

 Grenada; Matagalpa?) and Costa Rica (Bolson; Bebedero; San 

 Pedro ; Rio Turubales) ; "V enezuela ? ^■ 



Lampornis prevostii (not Trochilus prevostii Lesson) Lawrence, Ann. Lye. 

 N. Y., ix, 1868, 121 (Gulf of Nicoya, Costa Rica).— Frantzius, Journ. fur 

 Orn., 1869, 3b5 (Costa Rica). 



o- Nine specimens. 



b Ten specimens. 



c See Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 279. 



812.55°— Bull. 50—11—30 



