Illustrations 



GUILLEMOT ON HER. EGG . . . Facing page 112 



From a photograph by A. J. JR. Roberts. 



YOUNG HERRING GULLS . . . . ,, ,, 114 



From a photograph by A. J. R. Roberts. 



A GROUP OF PUFFINS . . . .,,,,116 



From a photograph by A. J. R. Roberts. 



RAZORBILLS . . . . ,, ,, 119 



From a photograph by A. J. R. Roberts. 



YOUNG CORMORANTS, BLACKSKINNED AND NAKED ,, ., 122 

 From a photograph by A. J R. Roberts. 



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