5 
may often happen that two of them exchange places, and when 
there are as many as twenty birds sitting on the same shelf, it is 
not always possible for each individual bird to continue to sit upon 
itsownegg. A certain degree of fellowship also prevails between 
neighbours from the fact that the male bird does not feel himself 
strictly bound to the one female alone. 
Of the numerous bird rocks, I will only in a few words, touch 
on a single one, which in several respects is extremely remarkable ; 
og Seine MAN 
Gis 
MA Bar) = 
See < : 
YOUNG PUFFIN. 
this is Sverholtklubben, situated on a projecting point a little to 
the east of North Cape. The fact is that it is probably the 
biggest in Norway, perhaps in the whole world. 
Sverholtklubben is inhabited almost exclusively by a single 
species, a little gull,—namely the Kittiwake (or Three-toed Gull, 
Rissa tridactyla). “When the tourist- or mail-steamer, full of 
