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THE CRESTED POLYPLECTRON. 
Polyplectron emphanum — Temminck. 
Plate Y. 
Eperonniei h Toupet, Polyplectron emphanum, Temminck, 
Planches Colonies, p. 540. 
This bird, of remarkably rich plumage, forms part 
of tbe collection of the Prince of Essling, and was 
supposed to have been received from the Sunda 
and Molucca Islands. It is about the size of the 
Argus polyplectron. The forehead and crown are 
adorned with a crest of long, narrow, and loose fea- 
thers, and, with the neck and breast, are of a rich 
bluish-black, with metallic reflections. Above the 
eyes there is a large white streak, and a patch of the 
same colour upon the auricular feathers, both of a 
pure and shining tint, rendered more conspicuous 
from the contrast of the surrounding parts. The 
belly and vent are deep black. The back and rump 
are of a dull brown, with irregular wavy bands of a 
paler tint. The wing-coverts and secondaries are of 
a brilliant blue, each tipped with a band of velvety 
black. The tail, very much rounded, is brown, 
marked with numerous minute spots of ochraceous 
white ; it has, near the tip, on each side of the shaft, 
