BASALTES. 
569 
travellers. The mind can hardly form an idea 
more magnificent than such a space, supported on 
each side by ranges of columns, and roofed by the 
bottoms of those which have been broken off in 
order to form it ; between the angles of which a 
yellow stalagmitic matter has exuded, which serves 
to define the angles precisely, and at the same time 
vary the colour with a great deal of elegance : and 
to render it still more agreeable, the whole is lighted 
from without; so that the furthest extremity is very 
plainly seen from without; and the air within, being 
agitated by the flux and reflux of the tides, is per- 
fectly dry and wholesome, free entirely from the 
damp vapours with which natural caverns in general 
abound. 
Ft. In. 
“ Length of the cave from the rock without 
371 
6 
From the pitch of the arch 
250 
0 
Breadth of ditto at the mouth 
53 
7 
At the further end 
20 
0 
Height of the arch at the mouth 
11 7 
6 
At the end .... 
70 
0 
Height of an outside pillar 
39 
6 
Of one at the N. W. corner 
54 
0 
Depth of water at the mouth 
18 
0 
At the bottom ..... 
9 
0 
The cave runs into the rock in the direction of 
N.E.-by-E. by the compass.” 
Faujas, in his description of this astonishing na- 
tural curiosity, says, that the sea is in a constant 
