X.] STRTTCTURE 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 osmic acid. 



Note to D § 3. Isolation of nerve cells. The ganglion may be 

 placed in osmio 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 

 thi'ee or four days, and then teased out. 



8—2 



