424 Zoological Society. 



Total length, 3f inches; bill, f ; wings, 2 J ; tail, 1£. 



Hab. Bolivia. 



Remark. — This species is closely allied to the species called Le 



Sabine by the French, Trochilus ? 



Hab. Bolivia. 



15. Trochilus (lophornis) regui/ds. Troch. plumis in vertice 

 castaneo-fuscis valde elongatis, acuminatis, ad apices viridibus ; 

 guld pectoreque luminose viridibus , plumis ad colli later a elongatis, 

 minus autem quam in Trochilo magnifico ; fascid in uropygio alba ; 

 caudd castaneo -fused, plumis singulis ceneo-viridibus Jimbriatis. 



Feathers of the crown chestnut-brown, very much lengthened, 

 carried to a point, and tipped with green ; throat and breast luminous 

 green ; the feathers on the side of the neck elongated, but not to so 

 great an extent as in Trochilus magnificus ; back and abdomen green, 

 with bronze reflexions ; rump crossed by a band of white ; tail 

 chestnut- brown, each feather margined externally with bronzy green ; 

 wings purplish brown ; bill light brown, darker at the tip. 



Total length, 3 J inches; bill, \ ; wing, If; tail, 1|, 



Hab. Interior of Brazil. 



Remark. — This beautiful species is nearly allied to the T, ornata 

 and T. magnifica, but differs from them in the lesser development of 

 the feathers of the sides of the neck and in the greater size of the 

 crest, which is more largely developed than in any other species 

 known. 



16. Trochilus ( ?) hypoleucus. Troch. corpore superiore 



viridi; guld et corpore inferiore albis ; rectricibus intermediis 

 duabus viridibus, reliquis fuscis viridi splendentibus, ad apices 

 albis. 



All the upper surface green ; throat and all the under surface 

 white ; wings brown ; two centre tail-feathers green ; the remainder 

 brown, glossed with green and largely tipped with white ; bill black ; 

 base of the lower mandible paler. 



Total length, 3f inches; bill, 1± ; wing, 1\\ tail, If. 



Hab. Bolivia. 



Remark. — Nearly allied to T. leucogaster, Tschudi, and not far 

 removed from T. albirostris, Auct. 



17. Trochilus ( ?) Hispmus. Troch. omni corpore superiore 



ceneo-fusco ; auribus saturate fuscis infrbl et suprct lined cervind 

 marginatis ; corpore inferiore griseo-fusco ; jugulo latis strigis 

 albis plumisque longioribus ornato ; caudd viridi-fuscd, rectri- 

 cibus lateralibus via: albo ad apices pictis, centralibus attenuatis, 

 valde elongatis. 



All the upper surface bronzy brown ; ear- coverts dark brown, 

 bordered above and below with a line of buff; under surface brownish 

 grey, with broad stripes of white down the throat, where the feathers 

 are much elongated ; tail greenish brown, the lateral feathers slightly 

 tipped with white ; the central feathers much elongated and attenu- 

 ated towards the apex, the attenuated portion white ; wings brown ; 



