656 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



1859, 386 (Oaxaca).— Dk Oca, La Naturaleza, iii, 1875, 105; Troq. de Mex., 

 1875, 36, pi. (7), fig. 25.— BoucARD, Ann. Soc. Linn. Lyon, xxii, 1876, 22 

 (Putla, Oaxaca); Notes Troch. du Mex., 1875, 9 (Putla); Gen. Hum. Birds, 

 ii, 1892, 14 (Oaxaca).— Lawrence, BuU. Nutt. Orn. Club, ii, 1877, 109, in 

 text (remarks on coloration of female). — Elliot, Classif. and Synop. Troch., 

 1879, 118 (Oaxaca).— Salvin, Cat. Birds Brit. Mus., xvi, 1892, 391 (Oaxaca; 

 Tehuantepec; Venta de Zopilote, Guerrero). — Ridgway, Man. N. Am. Birds, 

 2d ed., 1896, 598. 



[Calothorax] pulchra Gray, Hand-list, i, 1869, 135, no. 1734. 



C[alothorax] pulchra Ridgway, Rep. U. S. Nat. Mus. for 1890 (1891), 358 (diag- 

 nosis, etc.). 



C[alothorax] pulcher Heine, Journ. fiir Orn., 1863, 207.— Hartert, Das Tierreich, 

 Troch., 1900, 194. 



[Calothorax] pulcher Sclater and Salvin, Nom. Av. Neotr., 1873, 84. — Sharpe, 

 Hand-list, ii, 1900, 139. 



Calothorax pulcher Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 351. 



[Callithorax] pulcher Simon, Cat. Troch., 1897, 37. 



Amathusia (Manilia) pulchra Mulsant and Verreaux, Classif. Troch., 1866, 86. 



Manilla pulchra Mulsant and Verreaux, Hist. Nat. Ois.-Mouch., ii, livr. 2, 

 1875, pi. 23; iv, livr. 1, 1877, 30. 



[Manilia] pulchra Mulsant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 226. 



T[rochilus] pulcher Ridgway, Man. N. Am. Birds, 1887, 316. 



Calliphlox mitchelli (not Trochilus mitchelli Bourcier) De Oca, Los Colibris, Mex., 

 1875, 43, pi. (9), fig. 31. 



Genus ORTHORHYNCUS Lacep^de. 



Orthorhyncus Lacepede, Tabl. Ois., 1799, 9. (Type, as fixed by Gray, List Gen. 

 Birds, 1840, 14, Trochilus cristatus Linnaeus; see Oberholser, Smithson. Misc. 

 Coll., xlviii, 1905, 60, 61.) 



Orthorhynchus (emendation) Bonaparte, Consp. Av., i, 1850, 83. 



Bellona (not of Reichenbach, 1852) Mulsant and Verreaux, M6m. Soc. Imp. 

 Sci. Nat. Cherbourg, xii, 1866, 219; Classif. Troch., 1865, 75. (Type, Trochi- 

 lus cristatus Linnaeus.) 



Microlyssa Riley, Auk, xxi, Oct., 1904, 485. (Type Trochilus exilis Gmelin.) 



Small Trochilidse (length about 73-95 mm.) with basal half (more 

 or less) of maxilla feathered, tarsus naked, tail three-fifths to nearly 

 two-thirds as long as wing, rounded, the adult male with a flat, 

 pointed occipital crest, which, with forehead and crown is brilliant 

 metallic green or else the crest (at least terminally) violet or violet- 

 blue. 



Bill straight, terete, rather slender, longer from rictus than head, 

 but the unfeathered portion much shorter than head, the frontal 

 feathering advancing over base of maxilla to nearly half the distance 

 from rictus to tip of maxilla in adult females, to considerably more 

 in adult males; culmen rounded except basally, where contracted 

 into a more or less distinct ridge; tomia smooth; mandible with the 

 usual lateral median groove very distinct. Nasal operculum nar- 

 row, nude, but wholly concealed by the closely appressed frontal 

 feathering, which extends far anterior to nostrils, forming a distinct 

 point or antia on each side of culmen. Tarsus wholly unfeathered; 



