134 
culo obtectz ; ad basin rostri, pili tenuissimi admodum pauci. 
Ale modicé longz, alula brevissima, primariz tertia, quarta, et 
quinta longissime, et inter se feré wquales. Cauda brevis, et 
quadrata. Tuarsi modici; digiti perbreves; digitus posticus cum 
intermedio feré cozqualis. Ungues admodum adunci, et ad he- 
rendum aptati. 
SMICRORNIS FLAVESCENS. Smic. corpore superiore nitide flaves- 
centi-olivaceo, plumis capitis strigd fuscd fere obsoletd longitudi- 
naliter notatis, corpore inferiore nitideé flavo. 
All the upper surface bright yellowish olive; the feathers of the 
head with an indistinct line of brown down the centre; wings brown ; 
tail brown, deepening into black near the extremity, and with a large 
oval spot of white on the inner web, near the tip of all but the two 
central feathers ; all the under surface bright yellow. 
Total length, 23 inches ; bill, ;5 ; wing, 14; tail, 14; tarsi, -%. 
Hab. Port Essington. 
PacHYCEPHALA FALCATA, Gould. Pach. vertice, loris, plumis au- 
ricularibus, dorso, caudeque tectricibus cinereis ; guld albd, lunuld 
nigra infra circumdatd. 
Adult male-—Crown of the head, lores, ear-coverts, back and 
upper tail-coverts grey; wings dark brown, all the feathers mar- 
gined with grey ; throat white, bounded below by a distinct crescent 
of black; abdomen, flanks, and under tail-coverts orange-brown ; 
tail dark brown; the basal portion of the webs edged with grey; 
irides reddish brown; bill black ; feet blackish brown. 
Total length, 53 inches ; bill, 3; wing, 33; tail, 22; tarsi, 7. 
Adult female.—Crown of the head and all the upper surface grey ; 
ear-coverts brownish grey ; throat buffy white, passing into light buff 
' or fawn-colour on the chest, flanks, abdomen, and under tail-coverts ; 
the feathers of the throat and chest with a narrow dark line down 
the centre; wings and tail as in the male. 
Total length, 54 inches; bill, $; wing, 34; tail, 23; tarsi, 3. 
Young male.—Similar in colour to the female, but with the throat 
whiter and the markings-on the chest much more distinct, and ex- 
tending over the abdomen also. 
Nearly allied to Pachycephala pectoralis, but differs in being rather 
smaller, and in having no black round the eyes or on the ear-coverts. 
Hab. Port Essington. 
PaCHYCEPHALA MELANURA. Pach. capite, lunuld pone oculos, per 
latera colli ductd et pectus transeunte, cauddque nigris ; guld albd, 
torque nuchali, corporeque subtis, saturate flavis. 
Head, crescent commencing behind the eye and crossing the chest, 
and the tail black; throat pure white; collar round the back and 
sides of the neck, and all the under surface very rich gamboge-yellow ; 
upper surface rich yellowish olive; wings black; the coverts mar- 
gined with yellowish olive; the primaries narrowly and the secon- 
daries broadly margined with yellowish grey; bill and feet black ; 
irides brown. 
