Zoological Society. 65 



Types, Trochilus furcatus, nigra -fasciatus, Watertonii^ &c. 

 7''halurania viridipectus (n. sp.). Thai, corpore superiore <2neO' 

 viridi, hoc colore in viridissimum vergente apud uropygium ; rectri- 

 cibus caudcB crissoque necnon caudd metallice cceruleo-nigrescenti- 

 bus ; alis purpurascenti-nigris ; gutture et pectore splendide viri- 

 dibus ; abdomine fulgente ccEruleo ; tarsis plumis albis indutis ; 

 rostro nigro. 

 All the upper surface bronzy green, passing into bright grass-green 

 on the lower part of the back ; upper and under tail-coverts and 

 tail steel bluish black ; wings purplish black ; throat and chest re- 

 splendent grass-green ; abdomen bright blue ; tarsi clothed with white 

 feathers ; bill black. 



Total length 4^^ inches; bill 1 ; wing, 2| ; tail If. 



Hab. 'J'he Columbian Andes. 



Remark. — Nearly allied to Trochilus nigrofastciatus. 



Campylopterus obscurus (n. sp.). Camp, vertice, corpore st/- 

 periore, rectricibusque caudte quatuor intermediis viridibus ; guld, 

 partibusque inferioribus intense griseis ; lateribus crissoque viridi 

 lavatis ; rectricibus caudcB externis utrinque nigris, duabus externis 

 ad apicem griseis. 

 Crown of the head, all the upper surface and the four middle tail- 

 feathers green ; throat and under surface dark grey ; flanks and under 

 tail-coverts washed with green ; the three lateral tail-feathers on each 

 side black, the two outer ones tipped with grey. 

 Total length 5^ inches ; bill 1| ; wing 3 ; tail 2. 

 Hab. River Amazon. 



Remark. — Nearly allied to, but quite distinct from, Campylopterus 

 latipennis. 



Trochilus ( ?) caligatus. Troch. vertice, et corpore supe- 



riore viridibus, guld et corpore inferiore splendide viridissJmis ; 



alis purpurascenti-nigris ; caudcs tectricibus et caudd nitide me- 



tallico-CiEruleis ; crissi plumis eodem coloratis, albo fimhnatis ; 



femoribus tarsisque plumis niveis indutis. 



Crown of the head and upper surface green ; throat and all the 



under surface resplendent grass-green ; wings purplish black ; upper 



tail-coverts and tail bright steel-blue ; under tail-coverts the same, 



fringed with white ; thighs and tarsi clothed with snow-white 



feathers. 



Total length 3^ inches ; bill | ; wing 2^ ; tail 1|. 



Hab. New Granada. 



Remark. — Nearly allied to Trochilus Saucerotii and T. erythronotus. 



Genus Oxypogon. 



Gen. char. — Rostrum capite brevius, debile et rectum. GencB supra 

 subtusque rostrum plumis elongatis ornatne ; illis supra erectis, 

 his subtus pendentibus. Ales paululo longse. Cauda ampla et 

 occlusa, furcata. Pedes ampli et validi. Tarsi nudi. Hallux cum 

 ungue longior digito, cum ungue intermedio. 

 Gen. char. — Bill shorter than the head, feeble and straight ; face 



both above and below the bill ornamented with lengthened plumes, 

 Ann. ^ Mag. N. Hist. Ser. 2. Vol.n. 5 



