DESCRIPTIONS 
OF 
THREE NEW SPECIES OE HUMMING BIRDS, 
By J. GOULD, Esq., F.R.S., &c. 
My Dear Sir William, 
I send for insertion in your Contributions, descriptions of 
three new species of Humming Birds, two of which are from Bolivia, 
the third from Mexico — affording further evidence, that we are 
s till unacquainted with many species of this lovely group of Birds. 
Ever yours truly, 
John Gould. 
® roa< f Street, Golden Square, 
London, Oct 22, 1852. 
ramphomicron yulcani. 
Wk^ 5 S ^° S ’ ^ ie nec ^ anc ^ wing-coverts, greenish-brown ; 
1r an( * rum P deep violet blue ; wings purplish-brown; upper tail- 
(r t* and tail dark bluish-green; down the centre of the throat 
cries of scale-like feathers, broad at the chin and tapering to 
Jt'"!! 1 011 ^ r oast, the upper part of which is of a brilliant 
*ui'facc Cmera ^ £ reen > passing into steelly amethystine blue; under 
a ^/ krk brownish-grey ; under tail-coverts greyish-white, with 
^ ee Hla k°^ Steek ^ Ue ^ own fc be centre of each feather; bill and 
incl ‘ cs : bill > A; win f?’ 2 » ; tail > 2 i- 
uat. Bolivia. 
135 
