3 . M y io b i u s p a r v i r o s t r i s .
Tyrannula parvirostris, Gould, MS.
M. suprà rufobrunnmis ; piko, nucha humerisque obscurè olivaceo-brunneis; alis brunneis,
primariarum et secundariarum marginibus exterius angusth tectricumque late
ferrugineis ; caudd guttureque griseo-brunneis; pectore abdomineque flavescenli
brunneis.
Long. tot. unc. ; alK, ; caudæ, 2 .^ ; tard, ( q ; rost.
Ci-otvn of the head, back of the neck, and shoulders, dark olive brown ; back
and upper tail coverts rufous brown ; wings brown ; the external edges of
the primaries and secondaries finely, and the greater and lesser wing coverts
broadly margined witli ferruginous ; tail uniform greyish brown ; throat
brownish grey ; chest and abdomen sandy brown ; upper mandible dark
brown ; under mandible yellowisli brown ; feet blackish brown.
Habitat, Tierra del Fuego, Chile, and La Plata.
This bird inhabits the forests of Tierra del Fuego, and as I procured
specimens of it in the beginning of winter (June), it probably remains throughout
the year in the extreme southern part of South America. Other specimens were
procured on the banks of the Plata, and near Valparaiso in Chile ; it has therefore
a wide range.
4 . M y i o b i u s m a g n i r o s t r i s .
P late V I I I .
Tyrannula niaguirostris. Gotdd, MS.
M. Foem. Suprà olivaceo-brunnea ; caudd brunneâ ; rectricum externarum mar¡
griseo-brmmeis ; gutture pectoreque oliváceo griseis ; abdomine caudoeque tectricibus
inferioribus pallidè Jiavis; alis saturalè brunneis, secundariis tectricibusque late
griseo marginatis.
Long tot. 5 -^ ; aloe, 2 .^ ; caudæ, 2-j%- ; tarsi, ¡ rost. j%.
Crown of the head and back olive brown ; tail brown ; the external margins of
the two outer feathers greyish brown ; throat and chest olive grey ; abdomen
and under tail coverts very pale citron yellow ; wings dark brown ; secondaries,
greater and lesser wing covects broadly margined with grey ; bill and
feet black.
Habitat, Chatham Island, Galapagos Archipelago (October).
This bird and the Pyrocenhalus nanus, inhabit the same island. Not very
uncommon.