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STRANGE DWELLINGS. 
less curved form, and being furnished with a second entrance. 
No nest of any kind is used, but the egg is laid on the earth, at 
the end of the burrow, so that, although it is at first beautifully 
white, it becomes in a short time stained so deeply that it can 
seldom be restored to its primitive purity. 
So deeply do the burrows run, that when a passenger is 
walking near the edge of the precipice upon which the Puffins 
PUFFIN. 
breed, he can hear the old birds grunting below his feet, angry 
because they are disturbed by the footsteps above them. 
The young Puffin has many foes, who endeavour to seize it 
before its bill has attained its full proportions and its muscles 
have gained their full powers. The parent birds, however, 
bravely defend their young, and have been known, as a last 
