104 THE MAMMOTIL CAVE. 
minutes of rough travel brought us to a large 
circular hall, with a vaulted ceiling, from the 
- center of which poured a cascade of crystal 
water, striking upon the slant side of a large re- 
clining boulder, and finally disappearing through 
a funnel-shaped pit in the floor. It sparkled 
like a shower of pearls in the light of our lamps 
as we clustered around the brink of the pit to 
drink from the stores gathered in those natural 
bowls which seem to have been hollowed out for 
the uses of the invisible gnomes.” 
The avenue which leads to Roaring River 
takes its origin in Cascade Hall. | 
2. Tue Drippina SPRING is a pool of water 
that is supplied from the ceiling. Stalactites 
and stalagmites are found at this point. 
3: THE INFERNAL REGION receives its name 
from the fact that the floor is composed of wet 
clay and is exceedingly irregular. It is almost 
impossible to pass over it without receiving a 
fall. Several of our party would be willing to 
testify to this assertion. 
4, Tur Sea-SeRPENT is a tortuous crevice in 
the rock overhead, that has been cut by running 
water, the layer of rock that formed the floor of 
it having been detached. 
5. Tue VALLEY WaAy-SIDE Cur is a small ave- 
