86 



Crown of the head luminous green ; throat shining steel-blue ; 

 body green, the under surface \vith a golden tinge ; tail very long 

 and forked, metallic green and very luminous ; basai portion of both 

 webs of the outer feathers and the inner webs of the remainder 

 black ; ■wings brown ; bill black. 



Totai length, 7^ inches ; bill, f; wing, 2į ; tail, 5. 



Hab. Bolivia. 



Remark.—This beautiful species is nearly allied to the Ornismya 

 Kingii, Less. 



3. Trochilūs (lesbia) gracilis. Troch. gulei nitente metallick 

 viridi ; caudd perlonyd valde furcatd ; rectricibus externis ecneo- 

 fuscis, aneo colore ad splendentem maculam ciijusęue in apice 

 plum(E fulgentiore, pogonicrum externorum dimidio basali cervino ; 

 relicuis rectricibus aureo-viridibus ad basinfuscis. 



Throat beautiful shining metallic green ; the remainder of the 

 body golden-green ; wings brown ; tail very long, much-forked ; 

 the outer feathers bronzy bro\vn, the bronze gradually increasing 

 in intensity and becoming a brilliant spot at the tip ; basai half of 

 the outer \vebs buffy white ; remaining feathers bro\vn at the base 

 and shining golden green for the remainder of their length ; bill 

 black. 



Totai length, 6į inches ; bill, į ; \ving, 2\ ; tail, 4|. 



Hab. Peru. 



Remark. — This species is very closely allied to the Trochilūs 

 Gouldii, Lodd., vide Proc. of Comm. of Sci. and Corr. of Zool. Soc, 

 part 2, p. 7, which is synonymous with the Ornismya Sylphiee, Less., 

 but from which it difFers in severalcharacters, which upon an exami- 

 nation of many specimens, are found to be constant ; the bill is 

 shorter, the green of the body ochreous, and the lower part of 

 the abdomen more buffy, or not so green as in the Gouldii : the 

 most remarkable difference, however, is in the outer tail-feathers, 

 which are much narrower and not so green. By some ornitholo- 

 gists this might be considered as a mere local variation ; but as I 

 have seen many of each kind, and find that the diflTerences are con- 

 stant, I feel assured that the tvvo birds are specifically distinct. 



4. Trochilūs (ocreatus) rufocaligatus. Troch. gula et colio 

 superiore fulgentibus metallice viridibus ; tarsis densis plumis fer- 

 rugineis ocreatis ; caudd fuscd, rectricibus externis prolongatis 

 angustis latte tamen spathulceformd terminatis. 



Throat and fore-part of the neck luminous metallic green ; plumage 

 of the body bronzy green ; ■wings brown ; tarsi clothed with a thick 

 ruflf of rusty-red feathers ; tail brovvn, the outer feathers prolonged 

 and narrow, and ending in a broad spatulate tip ; bill black. 



Totai length, 4i inches; bill, |; wing, 1|; tail, 2\. 



Hab. Bolivia. 



Remark. — Nearly allied to the Ornismya Underwoodii, Less. 



5. Trochilūs (ocreatus) LiGONicAUDus. Tr och. f acie, colio supe- 

 riore et pectore viridibus, plumis pectoris majoribus, fulgentiori- 



