Chap. XLI.) 



Fig. 163. From a Vertical Section throitgh the Cochlea of a Guinea- 

 pig's Ear, seen in the long axis of the Modiolus. 



<t, The scala vestibuli : 6, the scala tympani ; c, the scala. media ; rf, the membrana 

 tectoria ; e, the cells of Claudius ; /, the upper outer angle of the scala media : 

 g, the region of the outer hnir cells on the membnuut basilarjs ; h, the mem- 

 brane of Reissner ; i. the epithelium lining the sulcus spiralis (.interims) ;/, the 

 tunnel of Corti's arch; k. the stria vascularis; I, the ligamentum spirale; 

 TO. the crista spiralis ; n, the nerve-fibres in the laiuina spiralis ossea ; o, the 

 ganglion spirale : />, the nerve-fibres in the modiolus ; g, channels in bone con- 

 taining blood-vessels ; r, masses of bone in the modiolus ; , the bony capsule. 

 (Atlas.) 



