BIRDS OF NORTH AND MIDDLE AMERICA, 465 
365 (Meco, Mugeres, Holbox, and Cozumél islands, Yucatan; crit.); Cat. 
Birds Brit. Mus., xvi, 1892, 98, part (Alta Mira, Tampico, and Tantina, 
s. Tamaulipas; Misantla, Vera Cruz; Cozumél I., etc., Yucatan; Bonaca I., 
Honduras; Belize, Brit. Honduras; Santa Ana and Escuintla, Guatemala).— 
Bovucarp, Notes quelques Troch., 1873, 7 (Cérdova and Jalapa, Vera Cruz); 
Proc. Zool. Soc. Lond., 1883, 451 (Yucatan); Ann. Soc. Linn. Lyon, xx; 
1874, 275 (Cérdova); Gen. Hum. Birds, 1895, 332, part (excl. syn. hendersont 
Cory).—LawRrence, Bull. U. 8. Nat. Mus., no. 4, 1876, 32 (Santa Efigénia, 
Oaxaca).—Exuior, Classif. and Synop. Troch., 1879, 39, part.—STone, 
Proc. Ac. Nat. Sci. Phila., 1890, 207 (between Tictl and Uxmél and at 
Labna, Yucatan).—Satvin and Gopman, Biol. Centr.-Am., Aves, ii, 1892, 
278, part (localities in Tamaulipas, Oaxaca, Yucatan, and Brit. Honduras; 
Uvero, etc., Vera Cruz; Hacienda de la Concepcidn, etc., Guatemala; San 
Pedro, etc., Honduras).—CuapMan, Bull. Am. Mus. N. H., viii, 1896, 284 
(Chichen-Itza, Yucatan).—Lanvz, Trans. Kansas Ac. Sci. for 1896-97 (1899), 
221, part (Isabella, Brit. Honduras). 
L[ampornis] prevosti Ripaway, Rep. U. 8. Nat. Mus. for 1890 (1891), 377, part.— 
Son, Rev. Frang. d’Orn., no. 1, 1909, 9, 10, in text, part (crit.). 
[Anthracothorax] prevostii RetcHenBacu, Aufz. der Colibr., 1854, 11; Troch. 
Enum., 1855, 8, pl. 792, figs. 4842-4844. 
A[nthracothoraz] p[revosti] prevosti Ripaway, Proc. Biol. Soc. Wash., xxiii, April 
19, 1910, 55, in text. , 
Lampornis thalassinus Ripaway, Proc. Biol. Soc. Wash., iii, Feb. 26, 1885, 3 
(Cozumél Island, Yucatan; coll. U. 8. Nat. Mus.). 
Lampornis prevosti thalassinus Ripaway, Proc. U. 8. Nat. Mus., viii, no. 36, Oct. 
17, 1885, 573 (Cozumél; descer.; crit.). 
Lampornis mango (not Trochitlus mango Linnzus) D’Oca, La Naturaleza, iii, 
1875, 62; Troq. de Mex., 1875, 25, pl. (4), fig. 16.—SancHez, Anal. Mus. 
Nac. Mex., i, 1877, 96. 
L[ampornis] prevosti (typicus) Hartert, Das Tierreich, Troch., 1900, 98, part. 
ANTHRACOTHORAX PREVOSTID 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 male—Length (skins), 105-119 (110); wing, 64-68 (65.9); 
tail, 34.5-37 (35.3); culmen, 23.5-25.5 (24.4).¢ 
Adult female—Length (skins), 105-118 (111); wing, 63.5-69 
(65.2); tail, 33-38 (35.4); culmen, 22.5-28 (25.4).® 
Nicaragua (Los Sébalos; San Emilis, Lake Nicaragua; San Carlos; 
Grenada; Matagalpa?) and Costa Rica (Bolsén; Bebedero; San 
Pedro; Rio Turubales); Venezuela? ¢ 
Lampornis prevostii (not Trochilus prevostit Lesson) Lawrence, Ann. Lyc. 
N. Y., ix, 1868, 121 (Gulf of Nicoya, Costa Rica).—Franrzius, Journ. fir 
Orn., 1869, 315 (Costa Rica). 
@ Nine specimens. 
b Ten specimens. 
¢ See Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 279. 
81255°—Bull. 50—11——30 
