xii CONTENTS. 



FAMILY III. ANATIN^. DUCKS & ALLIED SPECIES. Vol. V. 10 



Genus I. Tadorxa. Shielduck - - 17 



1. Tadorna Casarca. The Ruddy Shielduck - 19 



2. Tadorna Vulpanser. The Burrow Shielduck - 22 



Genus II. Anas. Duck - - - 29 



1. Anas Boschas. The Common Duck - 81 



2. Anas glocitaus. The Bimaculated Duck - 42 



Genus III. QuERcixrEDULA. Teal - - 45 



1. Querquedula Crecca. The European Teal - 48 



2. Querquedula Circia. The Garganey Teal - 55 



3. Querquedula strepera. The GadwaU Teal - 59 



4. Querquedula acuta. The Pintail Teal - 65 



Genus IY. Rutnchaspis. Shovel-bill - - 72 



1 . Rhynchaspis clypeata. The Blue-winged Shorel-bill 74 



Genus V. Maeeca. Wigeon - - - 81 



1. Mareca Penelope. European "Wigeon - 83 



2. Mareca Americana. American Wigeon - 90 



FAMILY IY. FULIGULIN33. SCAUP-DUCKS AND ALLIED 



SPECIES - - - - 93 



Genus I. Atthya. Poch.u{d - - - 101 



1. Aythya Ferina. The Red-hcudcd Pochard - 103 



2. Aythya rufina. The Red-crested Pochard - 109 



Genus II. Fuligula. Sc.u'p-Duck - - 111 



1. Fuligula Nyroca. Ferruginous Scaup-Duck - 113 



2. Fuligula Marila. The Broad-billed Scaup-Duck 116 



3. Fuligula cristata. The Tufted Scaup-Duck - 121 



Genus III. Oidemia. Scoter - - - 127 



1 . Oidemia perspicillata. The Surf Scoter - 1 29 



2. Oidemia fusca. The Velvet Scoter - - 134 



3. Oidemia nigra. The Black Scoter - 140 



Genus IV. SoMATERLi.. Fiber - - - 145 



1 . Somateria mollissima. The Common White-backed 



Eider - - - - 147 



2. Somateria spectabilis. The King or Black-backed 



Eider - - - - 158 



