viii CONTENTS 



Family PLATALEID.E 3 61 



Genus Ajaja ....... 361 



Suborder CICONIM . . . . 366 



Family Cicomnxfi . . . 366 



Subfamily TANTALIN& .... ... 366 



Genus Tantalus ... . . . 366 



Subfamily CICONIINM 370 



Genus Euxenura ... . . 370 



Suborder ARDEM ... . . . 375 



Family ARDEID^E 375 



Genus Ardea .......... 375 



Genus Herodias . . . . . . . . . 379 



Genus Florida ......... 382 



Genus Nycticorax ......... 387 



Genus Butorides . . . ... . . . . 395 



Genus Ardetta . . . . . . . . . 399 



Order PHCENICOPTERIFORMES . 403 



Family PHCENICOPTERID^E ......... 403 



Genus Phcenicopterus ......... 403 



Order ANSERIFORMES ... .407 



Family ANATID^E .......... 407 



Subfamily CYGNIN& ......... 407 



Genus Cygnus ......... 407 



Genus Coscoroba ......... 413 



Subfamily CHENONETTINM . . . . . . . . 416 



Genus Chloephaga ......... 416 



Subfamily ANATIN& ......... 443 



Genus Anas .......... 443 



Genus Mareca ......... 450 



Genus Nettium ......... 456 



Genus Dafila . . . . . . . . . . 459 



Genus Pcecilonetta ......... 464 



Genus Querquedula. ........ 468 



Genus Spatula ......... 477 



Subfamily FULIGULIN^E ........ 482 



Genus Metopiana ......... 482 



Genus Tachyeres ......... 487 



Subfamily ERISMATURINM ........ 500 



Genus Erismatura . . . . . . . . .501 



