X.] STRUCTURE OF NERVOUS TISSUES. 115 



DEMONSTRATIONS. 



1. Preparations to shew the method of ending of 

 motor nerves in muscle. 



2. Preparation to shew the nerve-cells of the plexus 

 of Auerbach in the intestine. 



3. Mounted transverse section of a nerve which has 

 been treated with osinic acid. 



NOTE TO D 3. Isolation of nerve cells. The ganglion may be 

 placed in osmic acid 1 p. c. for half an hour, washed in water, placed 

 in a mixture of equal parts of glycerine and strong acetic acid for 

 three or four days, and then teased out. 



82 



