Chap. IL] 



A NERVOUS SYSTEM. 



41 



Fig 10.— Three bipolar Ganglion Cells from the fifth nerve of the Pike (Strieker 

 after Bidder). 



Fig. 11.— Three bipolar Ganglion Cells from the auditory nerve of the Pike : a. 

 entirely enclosed within the medullary sheath ; b, entirely, and c, partially, exposed, 

 to show that these ganglion cells are only expansions of the axis band. 



the visceral nerves, and tha-t something hke it also exists, 



