352 SMEW OR WHITE NUN. 
The general colour of the plumage is pure white ; a short band on each 
side of the hind neck bordering the crest, duck-green ; a broad patch on 
the lore and below the eye, a narrow band across the lower part of the 
hind neck, formed by single bars near the tips of the feathers, the mid- 
dle of the back in its whole length, a short transverse bar under the 
fore edge of the wing, the anterior margin of that organ to beyond the 
carpal joint, the outer edges of the scapulars, the primary coverts, the 
secondary coverts, and the outer secondary quills, excepting the tips 
of both, deep black. The quills are also black, but of a less deep tint ; 
the hind part of the back becomes tinged with grey, and the rump and 
tail-feathers are dusky grey. The sides of the body and rump are 
white, finely undulated with blackish-grey. 
Length to end of tail 173 inches, to end of claws 184, to end of 
wings 151; extent of wings 27; bill along the ridge 17%, along the 
edge of lower mandible 17 ; wing from flexure 73 ; tail 33 ; tarsus 1/4 ; 
first toe 4, its claw 3%; second toe 12, its claw 7, third toe 143, its 
claw 44; fourth toe 148, its claw 7. Weight 1 lb. 8 oz. 
Adult Female. Plate CCCXLVII. Fig. 2. 
The Female is much smaller. The feathers of the hind part of the 
head and neck are also elongated so as to form a crest. The bill, iris, 
and feet, are coloured as in the male. All the lower parts are white, 
excepting a broad band of light grey across the middle of the neck, 
and a narrow portion of the sides, which are of a deeper tint. There 
is a patch of brownish-black on the lore and beneath the eye; the 
upper part of the head and half of the hind neck, are light reddish- 
brown ; the rest of the hind neck, and all the upper parts, bluish-grey, 
darker behind, and in the middle of the back approaching to black. 
The wings as in the male, that is black, with a large patch of white, 
and two narrow transverse bands of the same ; the tail dusky grey. 
Length to end of tail 151 inches, to end of claws 164, to end of 
wings 141; extent of wings 25. Weight 1 Ib. 4 oz. 
