C ONTENTS, 



Preface. 



PAGE 



Introductory Chapter 



.. 1 



Characters of Family Anatidae 





Sub -family Plectropterinae 



.. 7 



Genus Choristopus 



8 



Plecrropterus 



.. 10 



Sub-family Anserinae 





Genus Cereopsis 



12 



Chloephaga .... 



.. 13 



Bemicla 



14 



Cheniscus 



.. 15 



Anser 





Cygnus .... .... 



.. 18 



Sarkidiornis 





Chenalopex 



. . 22 



Sub-family Anatinae 





Genus Tadorna 



25 



Casarka 



27 



Dendrocygna 



28 



Leptotarsis 



29 



Dafila 



30 



Paecillonitta 



32 



Mareca .... .... 



33 



Aia .... 



35 



Querquedula .... 



37 



Cyanopterus .... 



38 



Phvnchaspis .... 



. . 40 



Malacorhynchus 



42 



Chauliodes chaulelasmus .... 



. . 43 



Anas .... .... 



45 



Carina . . .... 



47 



Sub-family Fuligulinae 



19 



Genus Micropterus .... 



50 



Melanitta .... 



52 



Somateria .... 



54 



Pohsticta .... .... 



55 



Kamptorhynchus .... 



57 



Callichen 



59 



Fuligula ....... ...... 



61 



Nyroca . . . 



63 



II irelda 





Clangula 





Subfamily Erismaturinae ...... .... 





Genus Thalassornis .... 





Uiziura . , , . .... 



71 



Erismatura .... 





