CONTENTS 
vii 
Galapagos Isl.\xd Duck, Anas galapagensis (Ridgway) 351 
African Red-billed Duck, Anas erythrorhyncha Gmelin 353 
Garganet Teal, Anas querquedula Linne 353 
Blue-winged Teal, Anas discors Linne 373 
CiNNAiiON Teal, Anas cyanoptera Vieillot 39O 
Anas cyanoptera cyanoptera Vieillot 401 
Anas cyanoptera orinomus Oberholser 401 
Argentine Gray Teal, Anas versicolor Vieillot 402 
Puna Teal, A)ias puna Tschudi 408 
