IV 



CONTENTS. 



PAGE 



Pintail 77 



Wild Duck ... 79 



Garganey .... 80 



Teal .".... 81 



Wigeon .... 82 



Eider Duck ... 83 



King Duck .... 85 



Velvet Scoter ... 87 



Scoter 88 



Surf Scoter ... 89 



Red-crested Whistling Duck 90 



Pochard .... 91 



Ferruginous Duck . . 92 



Scaup .... 93 



Tufted Duck ... 94 



Long-tailed Duck . . 95 



Harlequin Duck ... 96 



Golden-eye ... 97 



Smew 98 



Red-breasted Merganser . 99 



Goosander .... 100 



Great Crested Grebe . 101 



Red-necked Grebe . . 102 



Dusky Grebe ... 103 



Eared Grebe . . . 104 



Dabchick .... 105 



Great Northern Diver . . 107 



Black-throated Diver . 109 

 Red-throated Diver . .110 



Guillemot .... Ill 

 Brunnich's Guillemot . .113 



Ringed Guillemot . . 114 

 Black Guillemot . . .115 



Little Auk ... 117 



Puffin 118 



Razor-bill .... 119 



Great Auk 121 



PAGE 



Cormorant . . . 123 



Green Cormorant . . . 124 



Gannet .... 125 



Caspian Tern . . . 127 



Sandwich Tern ... 128 



Roseate Tern . . . 129 



Common Tern . . . 131 



Arctic Tern . . . .133 



Whiskered Tern . . 135 



Gull-billed Tern . . .136 



Lesser Tern . . . 137 



Black Tern . . . .138 



White-winged Black Tern 139 



Noddy 141 



Sabine's Gull ... 143 



Masked Gull . . .145 



Black-headed Gull . . 146 



Laughing Gull . . . 147 



Kittiwake .... 148 

 Ivory Gull .... 149 



Iceland Gull ... 150 



Common Gull . . . 151 



Lesser Black-backed Gull . 153 



Herring Gull . . . 154 



Great Black-backed Gull . 155 



Glaucous Gull . . . 156 



Skua .... 157 



Pomerine Skua . . . 158 



Richardson's Skua . . 159 



Buffon's Skua . . .160 



Fulmar .... 161 



Manx Shearwater . . . 163 



Bulwer's Petrel . . 164 



Wilson's Petrel . . .165 



Fork-tailed Petrel . . 166 



Storm Petrel 167 



