DESCRIPTIONS OF THREE NEW 
Remark — Nearly allied to R. Stanley i, but of a much smaller 
size ; greyer on the breast, and the lower part of the beard steelly 
amethystine blue, with little or none of the reddish tinge seen in 
that species. 
Collected by M. Warszewiez. 
BOURCIERIA INCA. 
On the forehead a spot of splendid metallic green ; crown of the 
head, back of the neck and wing-coverts, bronzy green ; back and 
abdomen lustrous metallic green ; throat and a gorget-like band 
across the chest reddish-buff ; two centre tail-feathers bronzy green, 
the two next on each side white at their base, broadly tipped with 
olive green; the two next white throughout their length, except that 
ou the apical portion of the margin of the inner web there is a bioat 
streak of blackish-brown, and a narrow streak of the same uic 
opposed to it on the outer web ; the next on each side is also w ut 
with a narrow hair-like line of blackisli-brown on the apical poi tn 
of the margin of the inner web, and a broader one of the same i 
opposed to it on the outer web ; lastly, the outer feathei is w n <■> 
with the exception of the apical two- thirds of the outci wc , 
are blackish-brown ; bill black ; feet yellow. 
Total length, inches ; bill, If ; wing, 2 1 ; tail, If- 
Habitat. Bolivia. . , urc 
Remark — The above description is taken from an imm ^ 
male. In the adult, the throat, I have reason to beheve, wi 
brilliant green, bounded by a well defined goiget o 
across the breast. . m-ove to 
Whenever the adult becomes known, it will doubtless P ^ 
be one of the finest species of the Trochilidce yet ( conra di, 
size and structure it closely assimilates to >o< " 
T. torquatus , and T. insectivorus. 
Collected by M. Warszewiez. 
