XXIX 
CRESTS OR TOP-KNOTS 
3^3 
twenty days old ; the crown was composed of ordinary 
feathers. When the birds fight they try to pluck out 
the feathers from each others crown. Some years 
Dissection of the neck of a Crowned Crane showing the pharynx, 
which is puffed out when the bird dances. (From a 
preparation by Mr. Burne in the museum of the Royal 
College of Surgeons, England.) 
A. Feather from the crown : it shows the spiral twist and 
the thin hair-like barbs. 
ago a bad-tempered cock at the Zoo would not allow 
the hen to have any feathers in her crown, and as soon 
as they grew he plucked them. 
Cranes utter loud notes, which are increased by 
