CONTENTS. . vii 



Plate 



Podiceps cornutus. Sclavonian Grobe 39. 462 



nigricollis. Black-necked Grebo 39. 465 



minor. Little Grebe 39. 468 



Family ANATID-ffi 474 



Genus CYGNUS 475 



Cygnus olor. Mute Swan 57. 476 



musicus. Hooper Swan 57. 480 



heivicTci. Bewick's Swan 58. 484 



Genus ANSEK 488 



Aiiser hyjperboreus. Lesser Snow-Goose 1 ^^ .q^ 



nivalis. Snow-Goose j 



segetum. Bean-Goose 58. 493 



hracliyrhynchus. Pink-footed Goose 60. 498 



cinereus. Grey-lag Goose 58. 500 



albifrons. "White-fronted Goose I n.. /..-. ca- 



!■ oO, b2, 50o 

 minutus. Lesser White-fronted Goose .... J 



hrenta. Brent Goose 



glaucogaster. White-beUied Brent Goose 



leucopsis. Bernaele Goose 60. 512 



ruJicoUis. Eed-breasted Goose 61. 515 



I 60. 508 



Genus TADORNA 519 



Tadorna cornuta. Common Sheldrake {^ii. 520 



rutila. Ruddy Sheldrake QQ. 524 



Genus ANAS 627 



Aims strepera. Gadwall 64. 530 



acuta. Pintail 63. 534 



penelope. Wigeon 63. 539 



americana. American Wigeon 63. 543 



crecca. Common Teal 66. 545 



carolinensis. American Teal 549 



circia. Garganey 66. 551 



clyiHata. Shoveller 63. 554 



boschas. Mallard 63. 559 



Genus FULIGULA 564 



Fidigula rufina. Red-crested Pochard 64. 567 



nyroca. W^hite-eyed Pochard 64. 571 



ferina. Pochard 64. 575 



marila. Scaup 64. 579 



cristata. Tufted Duck 64. 583 



