List of Illustrations 



Ring-billed Gulls by their nests 



Ring-billed Gull incubating 



Ring-billed Gulls on Rocks 



Young Common Tern 



Common Tern coming to her eggs 



The same Tern incubating 



Yovmg Ring-billed Gull . 



Franklin's Rosy Gull colony , 



Nest of Franklin's Gull 



Pair of Franklin's Gulls on their nest 



Scene in Franklin's Gull colony 



Franklin's Gull and chick 



Nest of Black Tern 



Typical Dakota slough 



Nest of Canvasback 



Nest of Canada Goose 



A Mallard drake 



Nest of Mallard drake 



Nest of Redhead . 



Another view of Mallard drake 



Nesting-site of Canvasback 



Nest of Lesser Scaup Duck 



Nest of White-winged Scoter 



A Scoter detained by her nest 



Nesting-site of American Golden-eye 



Golden-eye's nest in stub 



Young Shovelers in their nest 



Nest of Ruddy Duck . . , 



Nest of Redhead .... 



The same nest, showing surroundings 



Nest of Canvasback with egg of Ruddy Duck 



A Maedalen Islands' morass where Ducks breed 



PAGE 



160 

 161 

 162 

 164. 



166 



176 



178 

 181 

 182 



183 

 184 



188 



192 



193 



197 

 198 

 202 

 203 

 204 

 204 

 205 

 207 



XV 



