﻿282 NATURAL BRIDGE. August 



bo7'eus). These geese and the northern divers (Co- 

 lymhus horealis) were at this time migrating to the 

 south-east, or in the opposite direction with respect 

 to the line of coast that we had observed the eider 

 ducks and brent geese proceeding a few days pre- 

 viously near Cape Bathurst. 



About a mile and a half to the westAvard of 

 Point Deas Thomson, the projecting point of a deep 

 cove is perforated, forming a natural bridge, and 

 not far from it another projection exhibits a less 

 striking opening. 





Toiao Rock. 



A detached column of limestone, enclosing masses 

 and layers of chert or quartz rock, is also cut 

 through, forming a pointed arch. The whole coast 

 is composed of limestone, forming high cliffs at 



