GENERAL ABBREVIATIONS. 



ad' v Atrophied cells of Deiters of fourth 



spiral outer row. 



aoh' v Atrophied hair cells of fourth spiral 



outer row. 



bm Membrana basilaris. 



C Cells oi Claudius. 



eh Chromatolysis of cells of greater epithe- 

 lial ridge. 



d Cells of Deiters. 



d', d", d"i Cells of Deiters respectively of first, sec- 

 ond, and third row. 



esp Epithelium of sulcus spiralis. 



h Hairs. 



H Cells of Hensen. 



ih Inner hair-cells. 



ip Inner pillar-cells. 



is', is" Supporting cells respectively of first and 



second inner row. 



N Nerve bundles passing through fora- 

 mina nervinum. 



N' Spiral nerve bundles running between 



inner sustentacular cells and inner 

 pillars. 



N Spiral nerve bundles running between 



inner and outer pillars. 



N"i Spiral nerve bundles running between 



outer pillars and cells of Deiters of 

 first row. 



N lv Spiral nerve bundles running between 



cells of Deiters of first and second 

 rows. 



N v Spiral nerve bundles running between 



cells of Deiters of second and third 

 rows. 



nd Non-differentiated cells of greater epithe- 

 lial ridge. 



oh Outer hair-cells. 



oh', oh", oh'" Outer hair-cells respectively of first, sec- 

 ond and third row. 



op Outer pillar-cells. 



SN Space of Nuel. 



T Tunnel space. 



tb Terminal bars. 



Vs Vas spiiale. 



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