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Genus VIII. Oreothraupis.
Rostrum validum, tomiis mandibulce superioris medio turgidis et
mandibulam infeti'orem tegéhtibus, sieüt in genere Lahionè, sed
brevius, altius, ïatius 'et medio minus' uncinatum: alcé' breves, rotunda,
tce : caudasicut in genere Arïemoiie.'-
1. Oreothratjpis arremonops.
Saltator arremonops, Jard. Edinb. N. Pbil. Journ.>18S5,.ii, p. 119;
Sclater, P. Z. S. 1Ö55, p. 54. pl. xcii.
Rufo-brunneus, olivaceo parrnn tinètus; pectore multo clariore et
rubescentiore : capite toto mentoque nigris; vitta mediali verticis
et superciliari utrinque postice ,elongatis cum mèdio ventrè cine-
re is: alis intus et cauda nigricantibus : rostro et pedibus nigris.
Long. tota 7’ 25, alee 3l2, caüdeè 3'5i.
Hab. Andes in the.vicinity of Quito (Jameson).
■ Mus. Gul. Jardine, Baronetti.
This peculiar Tanager in style of plumage and general habit corresponds
boost closely with the members of the gfetius Arfetnon, but
the bill is altogether abnormal, the upper mandible swelling, in the
middle and overlapping the under,as in the genus Lanio, though
not developed into a decided shopk : but it is much shorter, broader
and deeper, than in the last-named genus, and'has more general re-
semblance to that of some of the Sidtaiores.
Genus IX. Arremon,
Arremon, VieiÜ. Analyse (1816),~p. 32. ;
; Rostrum rectum, altum, breve, conicum, apice vixdent'ata:- alee
breves, femigibus quanta, quinta et sext'al. longissimis: caudq
breviuscula, rotundata,
1. A r REMON SILENS.
Le Tangara de la Guyahe, Buff. PI. Enl. 74%-;^
Tanagra silens, Bódd: Table de PI. Enl.; Lath. Ind. Orn. p.432;
Max. Beit^iii. $0,7. J # ’>
' Arremon torquatus, Ene. Méth. p. 794, et Yieill. Gal. Ois. p. 105>■
pl. 78: ; ’ ,
Arremon silens,,Gray, Gen. p. 361; Bp. Consp. p. 487y
Uoiseau silentieux, I)esm. Tan. t. 3$> 39, 4Q.
Silent Tanager, Lath, G. H. vi. p. 22.
Olivaceus: capite et vitta pectorali nigris: tcenia verticals cinerea :
~ superciliis a fronte ad nucham, cum gutture albia: abdomine
aibido, lateribus cinerascentibus’: campterio fla vo : rostro nigro.
<j> Supra mari similis: subtus fulvo tinctaneccineraseens: torque
gutturali vix apparente. ,,
Long, tota 5’0, alee 2,8j caudse 2*4.
Hab. Cayenne; North Brazil, Capin river {Wallace) ; South East
Brazil (P. M a x .). ,
Mus. Brit., Paris., &c,—
T h e Brazilian specimens of this bird are slightly larger in size
than those from Cayenne,-and of rather a more yellowish green on
the'back. This species may be distinguished from all its nearest
/allies by its black' bill. -
-.2.. A r r em o n d ’o r b ig n i i * s p . nbv.
Embernagra silens, Lafr. et d’Orb. Syn. Av. in Mag. de Zool. 1837*,
p. §4> (pgrtvp|J.( „
Arremon siMsfd’Orb. Voy. p. 280 (partim).
Sup fa -ojHda&eenp': tcemar verticali cinerea: superciliis a fronte in-
j ' cipientibus cupi,pojipor.e•,subtus^ albis; hoc nigro torquato : rostro
' '>sflaVP >' mandibula.' pupemoris parte culminali nigra.
Bolivia,' prov. Yxmg&sfffibrt.f."
Mus /'/parisiesnsi •
This Bolivian,^p^des conics, nearest to A . flavirostris, but .there is
more black on thplmp.er mandible, and the superciliary stripes begin
from' the front*, as ixtA-i.silens.
' * ? A r r e ¥ o n f l a v ir o s t r is .
. Tordo de bosque torquato, Azara, u p^33,l t ,
Arremon silens, Hartl. Ind/Az. p.
'Arremonflavirostris•, Sw. Amin Men., p;. 3 4 7 Gray, Gen.p. 361;
. W&487.
,! iSupradolivascens,.-. tcenia verticajlpcinereasuperciliis ab oculo in-
- eipientibusietfeorpore,subtus alhis';/ fcdp nigro torquato: lateribus
cinerascentibus : rostro flavo :t ipso culmine tantum nigro», .
Hab. Brazil,,' ’Camet£ (Mus.dBerob.).s,.
Must Berol., Derbiapo,
4 . A r r e m o n * d e v il l i i , sp . nov:
Arremtin devitlii; Bp. in Mus.' Paris’.
A .: schistaeeusr- olivaceo paulutum tmetus: tcenia veriiv&li dofso con-
w^pplore: superciliis ab oculo indpientibus et corpore subtus albis,
'hoc nigro torquato: - tectncibus alarum superioribus olivaceis
rostra superiore nigro, inferiore flavo.
Ldng. tota 6,C| 'al8e 2*2> paudse 2-1. '
| Hab. prov. Goyaz in Brazil (Castset Dev.).
Mus. Parisiensi.
This bird: is intermediate between A . flavirostris and A . polionotus.
Unlike the latter, it has the whole upper mandible black and the
back tinged with olive, and is besides of smaller size, and possesses
a vertical, band. From the former it appears distinguishable by its
differently coloured bill and less olivaceous back. \
5. .A r r em o n p o u o n o t t j s .
Arremon polionotus, Bp. Consp. p.488 '
Supra plumbeus: capite et torque angusta pectorali nigris : superciliis
postocularibus et corpore subtus albis; lateribus. cinerascenc