THE MAMMOTH CAVE. Vai 
The body is yellow, striped with black. They 
are provided with large eyes, but seem to direct 
their course, mainly, by their antenne, or feelers, 
which are enormously developed. They are 
sluggish in their movements, and, unlike other 
crickets, observe an eternal silence. 
The Cave lizards vary in length from three 
to five inches. The eye is large and prominent. 
The body is yellow and dotted with black spots, 
and is semi-transparent. They are sluggish in 
their movements. 
The abundance of animal life at this point 
(Crogan’s Hall) would seem to indicate that 
there is a communication with the surface of 
the earth at no great distance. 
Bats are found in all parts of the Cave, we are 
told by Dr. Wright, but most abundantly in Au- 
dubon’s Avenue. 
Professor Silliman, a portion of whose remarks 
have already been quoted (“Silliman’s Journal” 
for May, 1851), says: 
“There are several insects, the largest of 
which is a sort of cricket with enormously long 
antenne. Of this insect, numerous specimens 
will be found among the specimens sent to Profes- 
sor Agassiz. There are several species of coleop- 
tera, mostly burrowing in the nitre-earth. There 
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