466 • A VERS. 



Fig. 29. A portion of the nerve supply of the macula sacculi, with one of the 

 peculiar ganglionic bodies found in the epithelial layer and the final branchings of 

 the radial nerves, forming horizontal fibres, the homologues of the spiral fibres 

 of the cochlea. 



Fig. 30. (a) A hair-cell from the macula sacculi, with nerve end in the cell ; 

 (b) a hair-cell with its hair bent by the contraction of the tissues and of the 

 otolithic mass. Htnk. obj. 5, Obh. cam. 



Fig. 31. To show the branchings of a spiral fibre in the neighborhood of the 

 ganglion. Htnk. obj. 5, Obh. cam. 



Fig. 32. The habenula perforata of a young dog (16 days), showing the manner 

 of entrance of the nerves into the cochlear canal and the absence of circumscribed 

 foramina nervina. Surface view of the region after removal of the organ of 

 Corti. Htnk. obj. 8, 160 mm. d. t. Obh. cam. 



