CONTENTS. Vll 



Page 



Family HscmatopodldfB, Oyster-Catchers 432 



Recurvirostridse, Avosets 486 



Tribe Tringete, Sandpipers 440 



Sub-Family TotaniiiEe, Stilts 451 



Family Paludicolae. Swamp Inhabiters 470 



Sub-Family Rallina3, Rails 470 



ORDER VI.— NATATORES, SWIMMERS. 



Sub-Order Anseres 480 



Family Anatidae 480 



Sub-Family Cygnime, Swans 480 



Anserinaa, Geese ■ . . . 481 



Anatinse, River-Ducks 487 



Fuligulinae, Sea-Ducks 503 



MergiuEe, Sheldrakes 525 



Family Sulidse, Gannets 532 



Graculidae, Cormorants 534 



Laridae, Gulls 537 



Sub-Family Lestridina;, Skua-Gulls 537 



Larinas, Gulls proper 539 



Sterninae, Terns 545 



Sub-Order Gaviae 552 



Family Procellarida?, Peti-els 552 



Colymbidae, Divers 555 



Sub-Family ColymbiuEe, Loons 555 



Podicipinae, Grebes 558 



Family Alcidse 564 



Sub-Family Alcinae, Auks 564 



Urinae, Guillemots 567 



