FEATURES OF COAST. 
221 
The coast-line is diversified, however, by numerous 
water-worn headlands, w which on reaching Cape 
Hatherton decline into rolling hills, (37J their margins 
studded with islands, which are the favorite breeding- 
places of the eider, the glaucous gull, and the tern. 
ETAH, AND Mr BROTHER JOHN'S GLACIER. 
Cape Hatherton rises boldly above these, a mass of 
porphyritic rock. (38 ^ 
After leaving Refuge Harbor, the features of the 
coast undergo a change. There are no deep bays or 
discharging glaciers; and it is only as we approach 
Rensselaer Harbor, where the shore-line begins to 
incline once more to the north, that the deep recesses 
and ice-lined fiords make their appearance again. 
The geological structure changes also, (39) and the 
