PLATE II 



[Photo by Rattar, Lerwick. 



KiTTiWAKES {^Rissa tridactyld) AND Guillemot [^Uria troille). 



The Guillemot belongs to the Ringed or Bridled variety, with a marked white furrow 

 behind the eye. The narrow shelves on the precipitous sea-cliffs are crowded with 

 brooding birds. 



