NERVES AND EPITHELIUM OF AMPULLA AND SACCULI. 115 



nection with the nucleus ; that is, the cell nucleus is as dark- 

 coloured as the fibre itself. The almost immeasurably fine 

 fibre is prolonged peripherically, and in cells that still retain 

 some remains of the auditory hairs the impression is given that 

 no interruption occurs between the dark striae in the interior 

 of the fusiform cells and the auditory hairs. I have very fre- 



Fig. 313. 



Fig. 313. L>iagram 01 tue inoue or termination ot the auditory 

 nerve. 1, Cartilage of the wall of the ampulla ; 2, structureless 

 basement membrane ; 3, doubly contoured nerve fibre ; 4, axis-cylin- 

 der traversing the basement membrane ; 5, plexiform union of fine 

 nerve fibres with interspersed nuclei ; 6, fusiform cells with nucleus 

 and dark fibre in their interior ; 7, supporting cells ; 8, auditory 

 hairs. 



quently observed these appearances in the ampullae of the Cy- 

 prinoids; and the reaction occurring in these fusiform cells on the 

 application of the above-named acid admits only of the inter- 

 pretation that they are nervous structures. These observations 

 are in accordance with the statements very recently made by 



i 2 



