22 THE BIRDS OF RHODE ISLAND. 



Great Black-backed Gull {Larus marinus). 



American Herring Gull {Larus a. smith sotiianus) . 



Bonaparte's Gull {Larus Philadelphia) . 



Common Tern {Sterna hirundo) . 



Roseate Tern {Sterna dougalli). 



Common Cormorant {Phalacrocorax carbo). 



Double-crested Cormorant {Phalacrocorax dilophus'). 



Red-breasted Merganser {Merganser serrator) . 



Mallard {Anas boschas) . 



Black Duck {Anas obscura) . 



Old- Squaw {ffarelda hyemalis) . 



American Eider ( Somateria dresseri) . 



American Scoter {Oidemia americana) . 



White-winged Scoter {Oidemia deglandi) . 



Surf Scoter {Oidemia perspicillata). 



Purple Sandpiper ( Tringa maritima) . 



Spotted Sandpiper {Actitis macularia) . 



Turnstone {Arenaria interpres). 



Vesper Sparrow {Focecetes gramineus). 



