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will find in this a very near ally; I have not the least doubt, how- 
ever, of its being quite distinct. The only examples I have seen are 
one in my own collection, and another in that of M. Verreaux of Paris. 
In M. Verreaux’s specimen the white tippings of the outer tail-feathers 
are nearly obsolete, while in mine they are conspicuous ; in my speci- 
men, also, the two middle tail-feathers are marked with green on their 
upper surface, while in M. Verreaux’s these feathers are uniform in 
colour throughout. My bird was kindly sent to me by T. Reeves, 
Esq., of Rio de Janeiro. 
EvucEPHALA CZRULKO-LAVATA, Gould. 
Crown of the head greenish-blue, not very brilliant, but having a 
few conspicuous small bright-blue feathers intermingled ; throat and 
chest bright greenish-blue, passing into purer green on the flanks ; 
back of the neck, and back, deep grass-green ; wings purplish brown ; 
upper tail-coverts bronzy-orange ; under tail-coverts bronzy purplish 
brown ; two middle tail-feathers deep purplish bronze; the next on 
each side is washed with bronze on its outer margin; the remain- 
ing feathers purplish-black ; thighs greyish-white; the bill appears 
to have been reddish flesh-colour at the base of both mandibles (this 
colour also pervades nearly the whole of the under mandible); the 
remainder of the bill black. 
Total length 33 inches; bill ; wing 21; tail 1}. 
Hab, St. Paulo in Southern Brazil. 
Remark.—1I am indebted to T. Reeves, Esq., of Rio de Janeiro, for 
a fine specimen of this new bird, which differs so widely from every 
other known species, that I am unable to compare it with any one of 
them. It is a stout and rather large bird, with a well-proportioned 
bill and tail, the latter of which is considerably forked. 
I am not quite satisfied that a place in the genus Hucephala is the 
proper position for this bird among the Trochilide, and I feel that 
I might, without overstepping the bounds of propriety, have con- 
stituted it the type of a new genus. 
EucrPHALA HYPOCYANEA, Gould. 
Crown of the head, back of the neck, back and flanks somewhat 
dull-green ; throat and chest brilliant blue, passing into glittering 
green on the centre of the abdomen; wings purplish-brown ; upper 
tail-coverts reddish-bronze ; under tail-coverts brownish-black, with 
bronzy tips; tail steel-black ; thighs brown; upper mandible black ; 
basal two-thirds of the under mandible flesh-colour, the apical third 
black. 
Total length 3} inches; bill 3; wing 2; tail 12. 
Hab. Said to be Bahia in Brazil. 
Remark.—This is a rather small, but distinctly marked species, 
unallied to any other bird. Lesson’s Plate 49 of his ‘ Histoire Na- 
turelle des Oiseaux Mouches,’ appears to have been taken from a 
bird of this kind; but the term &icolor cannot for a moment be 
entertained. 
