40 
with green ; the broad collar of a whitish 
grey : the front of the neck and all the 
under parts of a brownish grey, spotted 
with white, particularly upon the breast 
and middle of the belly, where these spots 
are in greater number ; the feathers on the 
top of the back, scapulars and wing coverts 
of an ash-coloured grey in the middle bor- 
dered by a band of deep brown ; beak 
light brown ; irides brown. The young 
do not take their perfect winter plumage 
till they are a year old. 
In the breeding season there are long 
featheis on the back of the head, which 
forms a crest of a deep glossy green. 
The collar on the throat is of a pure 
white ; upon the top of the head, upon a 
great part of the neck, and on the thighs 
appear very long, slender and silky fea- 
thers of a pure white; which are longer or 
shorter according to the age of the bird. 
Both sexes have these accessory feathers, 
as well as the crest, they fall off even 
before the period of autumn moulting. 
The rest of the plumage as in winter. 
This species have fourteen feathers, in 
the tail 
