I 
454 BERGS. 
There was one great monster, that we called the 
Tower of Babel, nearly three hundred feet high, with 
a spiral stair-case as unsatisfactory as some of Martin's 
imaginings of infraterrene architecture. Another was 
an enormous honey-combed mass, studded all over 
with bowlders, and stained with syenitic detritus. 
But curious among all the rest was the berg, of 
which a sketch is given on the opposite page. It 
was but partially overturned, and the exposed sur- 
face was marked all over by circular depressions, ten 
inches deep and a foot in diameter, so close together 
as nearly to touch at their upper edges. A small- 
er berg was so covered with these spot-like exca- 
t 
