NATURAL CURIOSITIES. 
173 
excursions to several interesting localities, for altbough 
there is so little of verdant freshness wherewith to 
gladden and relieve the eye, the visitor Avill find 
much to admire in the fantastic forms which nature 
in her convulsive efforts has scattered throughout the 
island. Of these the Blowhole, or Gramjrus cavern, 
is well worthy of a visit. It is situated near Pyramid 
Point, about two miles from George Town, and as 
the way lies over the sharp and rugged clinkers, 
it can only be attained at the expense of a pair of 
shoes. When the rollers set in, the scene is one of 
terrific beauty. The swelling wave as it dashes with 
an awfully deep note into the cavern, compresses the 
air within its narrowing recesses, but the next instant 
a reaction takes place, its elasticity overcomes the 
intruder and sends it bellowing back in magnificent 
jets of spray. 
This cavern has a small aperture through the rock 
above, by which the imprisoned air tries to escape, and 
if sand be cast into it at such a time, it is thrown up 
a considerable height with singular effect. Near this 
place there is also one of the curious arched forms 
which the lava must have assumed while in a state of 
fusion, on coming into contact with the sea. The 
lower parts in cooling, have formed points of support, 
as the fiery flood rolled on above, producing a laby- 
rinth of low caverns, through which the sea rushes, 
foaming and fretting. The subject of the subjoined 
