AUKS, MURRES, PUFFINS, ETC. 



37 



by the grayish white cheeks in strong con- 

 trast with the black collar around the neck, 

 large head, much compressed, triangular, red, 

 bill, and short neck. The top of the head 

 and back are black and the under parts are 



Fig. 26. ' 



Puffin in summer dress. 1-4. 



white, fig. 26. The winter adults and young 

 have the bill smaller and dark in color, but 

 it is always triangular in form. 



The Puffin rides lightly on the water 

 and is very expert in diving. Flight very 



