SHAPTER III. 
GUILLEMOTS, RAZORBILL, AND PUFFIN. 
Affinities and Characteristics— Guillemot — Razorbill — Little 
Changes of Plumage—Guillemot Auk—Puffin. 
—Brunnich’s Guillemot—Black 
EW birds are more thoroughly marine in 
their haunts and their habits than those 
which are included in the present chapter. They 
are inseparably associated with the sea; they 
form one of the most interesting features of 
marine life, whether in summer, when they crowd 
in countless hosts at their breeding stations 
upon the cliffs and islands, or in winter, when 
they spread themselves far and wide over the 
waste of waters. From whatever point of view 
we study them, they are intensely interesting 
birds. 
The Auks, as they are collectively termed, 
form the small yet well-defined family Atcipa. 
Although the Auks are a specialised group, 
systematists pretty generally agree in associating 
them more or less closely with the Divers, the 
Grebes, the Gulls, and the Limicole. Auks are 
