ACANTHORin^CHUS SUPERCILIOSUS, Gould. 
Fig. 1. 
Ac. summo cajnte, corpore syperiore, alts, caudcEque rectricihus sex intermediis cinerascenti-fuscis, 
rectricibits reliquis nigris albo ample terminutis ; low plumisqtie aurkidaribns niyrcscenti-fuscis; 
gutture summo, gem's, linedqiie superciliari cdbis, gutture colloqne it/tide et pxdlide castaneis, 
illius colore vdtd alba infra circumdato, cut vdta nigra accedit ; abdomine crissoque pallidc 
cinerascenti-fuscis ; rostro pedibusque vigris. 
Long, tot 5\ unc. ; rostri, 1^; ales, 2^; caudcc, 2^ ; tarsi, |. 
Crown of the head, all the upper surface, wings, and six middle tail-feathers greyish brown, the 
remainder of the tail-feathers black largely tipped with white ; space between the bill and the eye, 
and the ear-coverts blackish brown ; upper part of the throat, cheeks, and stripe over the eye white ; 
throat and back part of the neck rich light cliestnut brown, the chestnut of the former bounded below 
by a band of white, which is succeeded by another band of black ; abdomen and under tail-coverts 
liffht grevish brown ; bill and feet black. 
Cl CI u 
AcanthorJtynchus siiperciliosiis, Gould in Proc. of Zool. Soc, Part V., 1837, with Gen. Chak. 
Habitat. Australia : locality, Van Diemen's Land. 
ACANTIIORIIYNCHUS TENUIROSTRIS. 
Fig. 2. 
Ac. cajnte summo nitide viridescenti-nigro ; loro, plumis auricularibvs, lunulci in ntroqve p)ectoris 
latere, primariis, recfricib>(sque caudce sex intermediis jtigris, rectricibus caudce nigris ad apicem 
albis ; nnchd castaneo-rufd ; dorso superiore castaneo-fusco ; secundariis, tectricibus aJce majori- 
bus, uropjjgio tectricibusque Cauda; cinerascentibus ; gala, genis, et pectore cdbis, gulcc plunus in 
medio castaneis i abdomine, lateribus, crissoque pallide castaneis ; rostro pedibusque nigris. 
Long. tot. 6 unc. ; rostri, 1 ^ ; alee, 2f ; caudce, 2^ ; tarsi, |. 
Crown of the head shining greenish black ; space between the bill and the eye, ear-coverts, lunated 
band on the sides of the chest, primaries, and six middle tail-feathers black, the remainder of tlie tail- 
feathers black largely tipped with M'hite ; back of the neck rufous chestnut, passing into chestnut 
brown on the upper part of the back ; secondaries, great wing-coverts, rump, and upper tail-coverts 
grey ; throat, cheeks, and chest white, the first with a patch of chestnut brown in the centre ; abdo- 
men, flanks and under tail-coverts light chestnut brown ; bill and feet black. 
Certhia tennirostris, Lath. Lid. Orn. Suppl., p. xxxvi. No. 5. 
Le Cap noir, Vieill. Ois. Dor., torn. ii. p. 94^. pi. 60. 
Slender-billed Honeij Eater, Lath. Gen. Hist., vol. iv. p. 194. No. 52. pi. 72. 
Hooded Creeper, Shaw, Zool., vol. viii. p. 109. 
Slender-billed Creeper, Lath. Gen. Syn. Suppl., vol. ii. p. 165. pi. 129. 
Meliphaga tenuirostris, Vig. and Horsf. in Linn. Trans., vol. xv. p. 317. 
Habitat. Australia : locality, New South Wales. 
ACANTIIORHYNCHUS DUBIUS, Gould. 
Fig. 3. 
Ac. summo capite intense cinerascenti-viridi ; loro, plumis auricular-ibits, lumdd in utroque pectoris 
latere, rectribusque caudce sex intermediis nigrescenti-fuscis, rectricibus relicpus nigris ad apicem 
albis ; nucha obscure rufd ; secundariis, tectricibus alec majoribus, et uropygio cinereis ; guld piec- 
toreque cinerascenti-albis illd r ufo tinctd ; cdtdomine crissoque nitide at pallide castaneis ; rostro 
pedibusque nigris. 
Long, tot 5i unc; rostri, 1 ; alec, 2f ; cauda;, 2\; tarsi, |. 
Crown of the head dark greyish green ; space between the bill and the eye, ear-coverts, lunated 
mark on the sides of the cliest, and six middle tail-feathers blackish brown, the remainder of the tail 
black largely tipped with white ; hind part of the neck dull rufous; secondaries, greater wing-coverts, 
and rump grey ; throat and chest greyish white ; the former strongly tinted with rufous brown ; ab- 
domen and under tail-coverts rich light chestnut brown ; bill and feet black. 
Acanthorhynchus dubius, Gould in Proc. of Zool. Soc, Part V., 1837. 
Remark. Although I have given the name of dubius to this species on account of his close resem- 
blance to AcantJtoidiynchus tenuirostris, I have but little doubt that it will ultimately prove to be 
distinct. 
Habitat. Australia : locality. Van Diemen's I^and. 
