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of the plumage, deep brown ; the outer tail-feathers on each side, and the
edges of the secondaries and wing-coverts, margined with grey.
Habitat, La Plata, {October.)
This species differs from Py r. coronatus or Musicapa coronata, of authors,
chiefly in its size ; in other respects it is very similar. The admeasurements of
the latter, for comparison (as given me by Mr. G. R. Gray), are : total length,
5 inches and 8 lines ; bill, between 9 and 10 lines ; wings, -3 inches and 2 lines ;
tail, 2 inches and 7 lines ; tarsi, 7 or 8 lines.
During the summer, this bird was common both near Buenos Ayres and
Maldonado ; but at the latter place, I did not see one in the months of May,
June, July, (winter) and therefore, no doubt it is a bird of passage, migrating
southward during the summer from Brazil. The birds of this and the allie<l
genera, correspond very closely in their habits to certain of the Sylviadm of
Europe ; some of the species frequenting bushes, like the black-cap, {Sylvia atri-
capilla); others more usually the ground, as the robin {Sylvia rubecula) or hedge-
sparrow {Accentor modularis). Another group {Synallaxis, ^-c.) represent tliose
European Sylviee, which frequent reeds.
2 . P y r o c e p h a l u s o b s c u r u s . Gould.
P . lividus rufotinctus ; proecipuè in fronte ventreque.
Long. tot. 5 ^ uuc. ; aloe, 3 - ^ ; caudæ, 2-^-, tarsi, rost.
All the plumage chocolate-brown, tinged with red, the latter colour predominating
on the forehead and lower part of the abdomen ; bill and tarsi, black.
A single specimen was obtained, and it would appear to be either an immature
bird or a female.
Habitat, Lima, Peru. {August.)
3 . P y r o c e p h a l u s n a n u s . Gotdd.
P late V I I .
P .fu scu s; rectricum exteriorum marginihus omniumque et shcundariorum apicibus
nitidh griseo-brunneis.
Femina, hrunnea ; gutture griseo-albo ; corpore subtus pallidè Jiavescente ; pectoris
laterumque plumis in medio brunneo-striatis.
Long. tot. 44.^ unc. ; aloe, 2-^g ; caudæ, 2^% ; tarsi, ; rostri,
3Iale.
Crown of the head, crest, and all the under surface, scarlet ; back, wings, and