32 AUKS, MURRES, PUFFINS, ETC. 



11. BLACK GUILLEMOT. 



The Guillemots are smaller than the 

 Murres, 13, and differ from them otherwise 

 in being black throughout in summer with a 



Fig. 22. 



Brunnich Murre in winter dress. 1-4. 



large, conspicuous white wing patch, which 

 in the Black Guillemot is wholly, or partly, 

 divided by a black wedge, fig. 23. In win- 

 ter the black above is much mixed with 

 white in irregular mottlings, and the color 

 below is nearly or quite white, fig. 23. The 

 white wing patch, however, is about as con- 

 spicuous as it is in winter. The feet are crim- 



