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tail, sooty-brown ; the external margin of the outer tail feathers, and the tips
of all, light greyish brown ; bill and tarsi, black.
Female.
All the upper surface, wings, and tail, brown; throat, greyish white; the
remainder of under surface, pale buff, the feathers of the chest and flanks,
with an obscure fine stripe of light brown down the centre.
Habitat, Galapagos Archipelago. (September.)
There is nothing remarkable in the habits of this bird. It frequents both the
arid and rocky districts near the coast, and the damp woods in the higher parts of
several of the islands in the Galapagos Archipelago.
4 . P y r o c e p h a l u s d u b i u s . Gould.
P . minor, lividus ; fronte, superciliis corporeque subtus stramineis ; iectricibus stramineo
marginatis.
Long. tot. 4 ^ unc ; aloe, 2.^% caudæ, 1 .^ ; tarsi, ; rost.
Forehead, stripe over the eye, and all the under surface pale buff ; back of the
neck and upper surface chocolate brown ; greater and lesser wing coverts
margined with buff'.
Habitat, Galapagos Archipelago, {September).
From the appearance of this bird when alive, although closely resembling
P . nayius, I entertained no doubt that it was a distinct species. Mr. G. R. Gray
informs me that there is a specimen of a male in the British Museum, which differs
from the male of the precedent species, in having the upper colour of a decided
brown, and the external margins of the outer tail feathers and tips of the
secondaries rather reddish white ; also in size as stated by Mr. Gould.
M y i o b i u s . G. R . Gray.
T y r a n n u l a . Swains.
Mr. Gould had adopted for the following species Mr. Swainson’s generic
appellation of Tyrannula, but Mr. G. R. Gray has pointed out, that as Tyrannulus
was proposed and published eleven years before, namely in 1816, by Vieillot, it
becomes necessary to change the former name, and therefore he proposes
3Iyiobius.
1 . M y i o b i u s a l b i c e p s . G. R . Gray.
Muscipeta albiceps. D ’Orb. et Lafr. Mag, de Zool. 1837, p. 47.
This bird is not uncommon in Tierra del Fuego, and along the western coast
of the southern part of the continent, where the land is covered with trees;
it is occasionally found near Valparaiso in central Chile ; and likewise in Banda
Oriental on the banks of the Plata, where the country is open, from all of which
places I procured specimens. At Port Famine and in the islands of the Chonos
Archipelago, it inhabits the gloomiest recesses of the great forests. It generally
remains quietly seated high up amongst the tallest trees, whence it constantly
repeats a very plaintive, gentle whistle, in an uniform tone. The sound can be
heard at some distance, yet it is difficult to perceive from which quarter it
proceeds, and from how far off; and I remained in consequence, for sometime
in doubt, from what bird it proceeded.
2 . M y i o b i u s a u r ic e p s .
Tyrannula auriceps. Gould, MS.
M. rufus; capite cristato nitidè flavo ; plumarum apicibus brunneis; alis brunneis,
secundariarum marginibus tectricumque apicibus rufis ; caudâ pallidè brunneâ,
plumarum externarum marginibus externis pallidiorihus ; gutture corporeque
subtus pallidè fiavescenti-alhis ; plumis singidis fasciâ centrali brunneâ.
Long. tot. 5 ^ unc ; aloe, 2 ^ caudæ, 2^% tarsi, rost. 4%.
All the upper surface rufous ; the basal portion of the coronal feathers yellow ;
tail uniform light brown, the external margin of the outer feathers lighter ;
wings brown, the external margin of the secondaries and the tips of the
greater and lesser wing-coverts rufous ; throat and all the under surface pale
huffy white, each feather having a brown mark down the centre ; bill brown ;
feet black.
Habitat, Buenos Ayres, La Plata, {August).
This bird is about the size of a sparrow. It is nearly allied to Tyrannula
ferruginea of Swainson and 31. cinnamonea of D ’Orbig. and Lafr.
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