Geology and Natural History. 415 
tion, to conceive that such layers of red earth were first formed 
4 
surfaces, and became covered to their respective depths by accu- 
l natural causes hardened 
Indeed, I have always been led to suppose from appearances that 
the whole group was the result of an upheaval of the ocean bed 
slightly above the water level, and a gradual elevation afterward 
into which contained stalactites and red eart Again within the 
last few months, I have, through the kindness of his Excelleney 
aio General Lefroy, C.B., F.R.S., the present Governor, 
lneod in : : : 
ing the past two years extensive submarine blastings have — 
extremity of the islands, for the purpose o at a of suffi- 
lent depth for the reception of the “Great Bermuda Dock,” which 
attracted so much attention off Woolwich when launch e 
4 layer of red earth two feet in thickness, containing remains of 
i compact esi gag 
