Genera of Hum^ning Birds. 177 



253. DOLEROMVIA FALLAX, Bourc, Rev. Zool., 1843, p. 103. 

 Lampornis fulviveiitris , Gould, P.Z.S., 1846, p. 88. 

 Polytmus fallax, Gray, Gen. Birds, vol. i., p. 108. 

 Leucippus fallax, Bon., Consp. Gen. Av., 1850, p. 73. 

 Dolerisca fallax, Cab. and Hein., Mus. Hein., i860, t. iii. 



p. 6. 



Dolerisca cervina, Gould, Int. Troch., 1861, p. 56. 



Buff-breasted Leucippus, Gould, Mon. Troch., vol. ii., p. 56- 



La Dolerornye trouipeuse, Muls., Hist. Nat. Ois. Mou., 1874, 

 t. i., p. 206. 



//"(? (5//^/. ^Venezuela. 



Male. — Upperside olive-green tinged with gray. Median 

 rectrices bronzy-green, lateral bronze green at base with a 

 subterminal brownish-black bar and largely tipped with white. 

 Throat, breast, and abdomen pale reddish-buff. A tuft on 

 each side of anal region, and undertail-coverts white. Wings 

 purplish-brown. Maxillr. black. Mandible fiesh colour with 

 black tip. 



Total length, 4in. Wing, 2^. Tail, i^. Culmen, |. 



It is a rare species. 



Genus LXXVII. Basilinna, Boie, Isis, 1831, p. 546. 



Heliopedica, Gould, Int. Troch., 1861, p. 60. 



Type : T. leucotis, Vieillot. 



Bill straight, about the length of the head. Wings long, 

 reaching the end of tail. Tail nearly even, slightly forked, 

 rectrices broad. Tarsi clothed, hind toe shorter than the 

 middle one. Sexes unlike. 



Habitat. — California, Mexico, and Guatemala. 



254. Basilinna leucotis, Vieill., Nouv. Diet. Hist. Nat., t. xxii. 



p. 428. 



Trochilus melanotis, Sw., Phil. Mag., 1827, p. 441. 

 Ornismya arsenii, Less., Ois. Mou., 1829, p. 60. 

 Hylocharis leucotis. Gray, Gen. Birds, vol. i., p. 114. 

 Heliopoedica ?nelanotis, Gould, Mon. Troch., vol. ii., p. 64. 

 Thaumatias leucotis, Bon., Consp. Gen. Av., 1850, p. 78. 



