THE SHELD-UUCKS. 
259 
round the hind-neck a white collar, widening out into a broad 
band across the lower throat and fore-neck ; this white band 
followed by a broad band of orange-chestnut occupying the 
mantle, and widening out in a broad band of the same colour 
across the chest, which is divided longitudinally by a black 
band, which descends down the breast and joins the black 
of the abdomen; the rest of the under-parts pure white, 
except the under tail-coverts, which are orange-chestnut ; the 
back pure white from the mantle downwards, as also are 
the wing-coverts; the scapulars black, the inner ones half 
white and half black, and those nearest the back pure white ; 
bastard-wing feathers white, blackish towards _ the ends ; 
primary-coverts and (quills black, ashy on their inner webs , 
secondaries black, externally metallic-green, forming a specu- 
lum, both bases of the inner webs white, the. inner secondaries 
externally chestnut, internally white or ashy, and the inner- 
most secondaries white like the back ; tail white, with a band 
of black at the end ; bill red, as well as the basal knob ; feet 
and webs of toes fleshy-pink ; iris hazel. After the breeding- 
season the knob, or shield, at the base of the bill is not so 
noticeable, and becomes dull pale red. Total length, 22 
inches; culmen, 2’2; wing, 13'° j ttiil, 4’6 ; tarsus, 2'o. 
Adult Female. — -Not SO handsomely coloured as the male, the 
chestnut of the mantle obscured by blackish frecklings, and 
the chestnut band across the chest represented by a sooty- 
black band, which only inclines to chestnut on the sides. The 
knob at the base of the bill is not developed. Total length, 
20 inches; wing, ii'S- 
Young Birds. — Much duller in colour than the adults, the 
head and throat being dusky-white with a good deal of black 
on the chin and lore-part of the cheeks ; the black feathers of 
the back of a more or less brown, with white margins and 
ashy mottlings; the chestnut collar on the mantle scarcely 
defined at all, and the feathers mottled with blackish and 
edged with white ; the entire under surface, from the throat 
downwards, is entirely white, without any black or chestnut, 
excepting a patch of the latter colour on each side of the 
upper breast. IVIr. 13c ^Vinton informs me that the Sheld- 
l3uck does not breed during its second year, and the knob on 
s 2 
