68 THE MAMMOTH CAVE. 
Gorin’s letter, was spanned by a substantial 
wooden bridge known as the “ Bridge of Sighs;” 
and then was discovered the most beautiful and 
interesting portion of the Cave. 
Shelby’s Dome, which is sixty feet in height, 
rests directly over the Bottomless Pit. The Pit 
and Dome have been formed, and are still en- 
larging, by the same causes that excavated the 
Side-Saddle Pit. , 
Immediately beyond the Bottomless Pit a 
room is entered, called the Revelers’ Hall, which 
is about twenty feet in height and forty in 
diameter. 
Here it is the custom of visitors to rest for a 
short time and discuss the terrors of the Pit. 
This is generally followed by bringing forth the 
potables, when the safety and health of all par- 
ties are duly toasted. So says Dr. Wright; and 
so will every visitor say when he observes the 
immense quantity of broken and unbroken bot- 
tles strewn about the floor of this wild-looking 
Hall. : 
After passing through a low archway, about 
four feet in height, very properly termed the 
Valley of Humility, the ceiling of which is 
smooth and white and appears as though it 
had been plastered, the Scotchman’s Trap is 
