OIBB — ON CANADIAN CAVERNS. 
167 
precipice forms the floor of the cave, which is entered by a large 
mouth, is six feet high and twenty feet square ; the roof is uneven 
and covered with damp mould. 
There is another cave in the same formation, on the opposite, or 
American side of the gorge, about sixty rods above the feiTy, very 
difficult of access from the steep and precipitous nature of the banks. 
It goes by the name of Cathn's cave, is fifteen feet wide and ten high, 
and contains specimens of silicified moss. Neither of these caves are 
looked upon as objects of interest, their formation I conceive to have 
taken place at the time when the banks in which they exist were 
overflowed by the falls. 
The appellation of the Devil's Hole is now given to a notch or 
indentation, said to be a hundred and eighty-five feet deep, half a 
mile below the whirlpool, on the right or eastern side of the Niagara 
river. It lays but a few feet from the main road, and can be looked 
into from above ; it cuts through the Niagara limestone and shale, 
and Medina sandstone. This has been magnified into a great chasm, 
surmounted by projecting cliffs of rock, bnt it is not strictly entitled 
to the name of a cavern. 
There is a great hollow at the foot of the rock, between Goat and 
Luna Islands, formed by the disintegi'ating action of the water on 
the soft Niagara shale forming this part of the precipice, the 
crumbling fragments of which have been washed away, lea\ang the 
true Niagara limestone rock arching overhead fiilly thii-ty feet beyond 
the base, in a similar manner to Table Rock and its continuation 
under the falls, which thus permits of visitors passing behind the 
great sheet of falling water in both places. This great hollow, 
knowTi as Cave of the Winds, whose base is a hundred and thirty 
feet fi'om the projecting ledge above, is a hundred feet wide. Those 
who have visited this interesting spot will, in common with myself, 
no doubt remember the sheet of falling water in front, forming a 
transparent curtain, dashing the spray with considerable force over 
every part of the cave, and the appearance of one or more arcs of a 
rainbow when the sun is shining upon it. The noise and turmoil of 
the place, the concussion of the atmosphere, and the general disturb- 
ance around, have appropriately given rise to the name which this 
cavern enjoys. 
9. — Flower Pot Island, Lake Huron. 
The Isle of Coves is situated to the north of Cape Hurd, which is 
the extreme point of the peninsula of the Indian Resei'ves in Lake 
Huron. To the east of this island is Flower Pot Island, which is 
chiefly remarkable for the presence of a number of insulated 
columns resembling flower pots, consisting of large tabular masses 
placed horizontally one upon the other, being broad at the summit 
and narrow below. The largest of these is forty-seven feet high, and 
resembles a jelly-glass, being worn small near its base, and enlarging 
sjrmmetrically towards the top. Many of them stand on a floor of 
