950 



SYSTEMA TIC SYNOPSIS. — LAMELLIROSTRES— AN SERES. 



Mergus nlbellus). Bill shorter than head. Nostrils iu its basal half. Frontal feathers ex- 

 tending far beyond those on side of bill, the latter beyond those on lower mandible. A magnifi- 

 cent ci'est, compressed, semi-circular in outline when erected, in both sexes, but in 9 snialler. 



and less strict ; the ^ can open and shut it like a fan, by lifting or lowering it. Adult ^ : Bill 

 black ; eyes yellow ; feet light brown, with dusky claws. Head, neck, and upper parts black, 

 changmg to brown on lower back; crest elegantly centred with snowy white; lower fore-neck 

 and under parts white : sides regularly and finely waved with brownish-red and black ; crissum 



