KEY '!■() Till': W .\|-|;i< IJIKDS Ol' I'l.OR 1 1).\ . 



187 



Family URrNATORID.E. Looxs, Dn lrs. 

 Genus URINATOR Ci yfer. 



URINATOR IMBER (6//////.) 

 Loon. Great Northern Diver. 



Adult in suiiiincr : Head and neck black, showing green in some lights. A patch of white 

 streaked with black on the throat and sides of the neck; under parts white: back streaked 



