STELLER^S EIDER. 



615 



hazel. The adult female somewhat resembles the females of the allied 

 species, but may at once be distiBguished by its glossy purple-blue 

 speculum between two white alar bars. Young in first jilumage somewhat 

 resemble adult females, but have no black on the belly. 



Males in first nuptial dress have grey markings on the wing-coverts 

 and flanks. Males in moulting-dress and young in down appear to be 

 unknown. 



