»* 
292 REV. J. F. BLAKE ON A REMARKABLE INLIER { May 1902, 
the tide at the time of his visit to this particular spot, or he would 
have described it in detail instead of a much smaller piece. On all 
sides itis surrounded by large blocks of rock resembling the material 
Fig. 1.—Inher of Old Red Sandstone, with the beds nearly vertical, 
standing in the midst of Upper Jurassic rocks, with the beds 
nearly horizontal, on the shore near Port Gower. 
[From a photograph. | 
of which it is composed, but embedded in nearly horizontal Upper 
Jurassic shales. 
But can this be a transported block? Ido not think it possible. 
It is more than forty times the size of any other isolated mass in 
the district, and would require the maximum transporting force. 
Its base must be some distance below the surrounding breccia-beds ; 
but there is no sign of anything extraordinary in the beds which 
underlie these. I shall, therefore, take it as indubitably in situ. 
Admitting this, the whole aspect of the question as to the source 
and origin of the breccia-beds is altered, and a fresh start must be 
