SYSTEMATIC INDEX. xiii 



PAGE. 



Order ANSERIFORMES SCEEAMEES, SWANS, GEESE, &o.Contcl. 



Subfamily ANSERINE. THE GEESE ... ... ... 313 



Genus CHEN, or Snow Geese ... ... ... . . 313 



Chen hyperboreus. Lesser Snow Goose ... ... 314 



,, nivalis. Greater Snow Goose ... ... 455 



Genus ANSEK, or Typical Geese ... ... ... 316 



Anser segetum. Bean Goose ... ... ... 317 



,, brachyrhynchus. Pink-footed Goose ... ... 320 



,, cinereus. Grey Lag Goose ... ... ... 322 



,, albifrons. White-fronted Goose ... ... 325 



erythropus. Lesser White-fronted Goose ... 327 



Genus BHANTA, or Brent Geese ... ... ... 329 



Branta berniela. Brent Goose ... ... ... 330 



,, glaucogaster. White-bellied Brent Goose ... 333 



leucopsis Bernacle Goose ... ... 334 



ruficollis. Eed-breasted Goose ... ... 337 



Subfamily ANATIN^E. THE SHELDRAKES AND NON-DIVING DUCKS 339 



Genus TADOBNA, or Sheldrakes ... ... ... 340 



Tadorna cornuta. Common Sheldrake ... ... 341 



Genus CASAECA, or Ruddy Sheldrakes ... ... ... 344 



Casarca rutila. Buddy Sheldrake ... ... ... 345 



Genus CHAULELASMUS, or Gadwalls ... ... ... 349 



Chaulelasmus streperus. Gadwall ... ... 350 



Genus DAFILA, or Pintails ... ... ... ... 353 



Dafila acuta Pintail Duck ... ... ... 354 



Genus MARECA, or Wigeons ... ... ... ... 357 



Mareca penelope Wigeon ... ... ... 358 



,, americana American Wigeon ... ... 361 



Genus NETTION, or Teals ... ... ... ... 363 



Nettion crecca Common Teal ... ... ... 364 



carolinense American Teal ... ... 367 



Genus QUEEQUEDULA, or Garganeys ... ... ... 369 



Querquedula circia Garganey ... ... ... 370 



discors Blue-winged Garganey ... 373 



Genus SPATULA, or Shovelers ... ... ... 375 



Spatula clypeata Shoveler ... ... ... 376 



Genus ANAS, or Typical Ducks ... ... ... 379 



Anas boschas Mallard ... ... ... ... 380 



Subfamily PULIGULINJE. THE DIVING DUCKS AND EIDERS ... 383 



Genus NETTA, or Eed-crested Pochards ... ... 383 



Netta rufina Eed-crested Pochard ... ... 384 



Genus NYROCA, or Pochards ... ... ... ... 387 



Nyroca africana White-eyed Pochard ... ... 388 



ferina Pochard ... ... ... ... 391 



Genus FULIGULA, or Scaups and Tufted Ducks ... 394 



Fuligula marila Scaup ... ... ... ... 395 



cristata Tufted Duck ... ... ... 398 



,, collaris Eing-necked Duck ... ... 401 



