422 Zoological Society. 



section as the Trochilus smaragdinicollis of D'Orbigny and the T. 

 Allardi of Bourcier. 



7. Trochilus ( ?) .eneocauda. Troch. guld viridi metallice 



fulgente ; corpore viridi fusco supra commixto ; alis fuscis pur- 

 purascentibus ; caudd infra fulgente aneo-viridi, supra, metallice 

 fused, nonnunquam intense cyaned resplendente . 



Throat luminous metallic green, under surface mingled green and 

 brown ; upper surface green, wings purplish brown ; under surface 

 of the tail luminous brassy green ; upper surface of the tail metallic 

 brown, changing in some lights to deep indigo blue ; bill black. 



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



Hab. Bolivia. 



Remark. — Belongs to the same section as the last. 



8. Trochilus ( ?) violifer. Troch. vertice, nuchd, mento, 



loris, pectoreque viridibus ; medid guld maculd semilunari lumi- 

 nose violaced notatd ; dorso et uropygio aureo -viridibus abdomine 

 inferiore, tectricibus caud<e superioribus inferioribusque, et caudd 

 rufis. 



Crown of the head, back of the neck, chin, ear- coverts, and breast 

 green ; on the centre of the throat a well-defined lunate mark of 

 luminous violet ; back and rump golden green ; lower part of the 

 abdomen, the upper and under tail-coverts light rufous ; tail light 

 rufous, the tips of the feathers washed with greenish reflexions ; 

 wings purplish brown ; the external edge of the first primary rufous ; 

 bill black. 



Total length, 5-J- inches ; bill, If ; wing, 3 ; tail, 2£. 



Hab. Bolivia. 



Remark. — This fine species is of the same form as the Ornismya 

 Bonapartei. 



9. Trochilus (lampornis) cyanopectus. Troch. guld viridi 

 metallice resplendente ; medio pectore fulgente metallice cyaneo ; 

 capite, dorso, humeris, lateribus, et abdomine inferiore eeneo-viri- 

 dibus ; caudd ceneo-fuscd nonnunquam pogoniis internis albd ma- 

 culd ad apicem ornatis. 



Throat lustrous metallic green ; centre of the breast deep lustrous 

 metallic blue ; head, back, shoulders, flanks, and lower part of the 

 abdomen bronzy green ; wings purplish brown ; tail in some speci- 

 mens entirely bronzy brown, in others bronzy brown with a spot of 

 white on the inner web at the tip ; bill black, curved stout and 

 large for the size of the body. 



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



Hab. Venezuela. 



Remark. — This bird is about the size of Trochilus mango, but is 

 not intimately allied to any known species. 



10. Trochilus (lampornis) aurescens. Troch. guld fulgente 

 aured; pectore lata fascid rufd, f route vittd lucidd cceruleo-viridi 

 cinctd ; omni superiore corpore, rectricibus intermediis duabus, 

 tectricibus alarum superioribus inferioribusque, et abdomine ceneo- 



