102 THE MAMMOTH CAVE. 
organ of hearing (which I believe has not been 
before noticed), all its parts were largely devel- 
oped, as will be seen by reference to figures 2 
and 3. [We regret that we are unable to intro- 
duce the figures here.] As regards the general 
structure, the parts do not differ materially from 
those of other fishes, except for their propor- 
tional dimensions. The semicircular canals are 
of great length, and the two which unite to 
enter the vestibule by a common duct, it will 
be seen, project upwards and inwards under the 
vault of the cranium, so as to approach quite 
near to the corresponding parts of the opposite 
side. The otolite contained in the utricle was 
not remarkable, but that of the vestibule is 
quite large when compared with that of a 
Leuciscus of about the same dimensions as the 
blind fish here described.” 
After these dry scientific details of some of 
the inhabitants of the Cave, which may prove 
interesting to those readers whose studies lead 
them in such channels, and for which we ask 
the forbearance of the general reader, we will 
proceed with the narrative of our journey. 
