84 



ON THE PHYSIOLOGICAL CAUSES OF 



them through the holes near c. The transverse fibres 

 g, h, i, k, and the cells o, also appear to belong to the 

 nervous system. There are about three thousand arches 

 similar to d e, lying orderly beside each other, like the 

 keys of a piano in the whole length of the partition of 

 the cochlea. 



FIG. 8. 



In the so-called vestibulum, also, where the nerves 

 expand upon little membranous bags swimming in water, 

 elastic appendages, similar to stiff hairs, have been lately 

 discovered at the ends of the nerves. The anatomical 

 arrangement of these appendages leaves scarcely any 



