400 O. C. Marsh on the Gold of Nova Scotia. 
composed. As this island is more than one hundred miles from 
the coast, this discovery would appear to indicate that the gold- 
bearing strata of Nova Scotia extend for a considerable distance 
beneath the Atlantic ocean, 
there associated with the gold. I think it probable that these 
strata also will be found to contain this metal, although the 
well be devoted to a better purpose. A 
The great extent of metamorphic strata in Nova rere 
similar to the gold-bearing rocks in other countries, and the 1a¢ 
that gold has now been found at many widely separated points, 
Sheffield Laboratory, Yale College, Oct, 5th, 1861, 
