72 



PEACTICAL PHYSIOLOGY 



fungus. It is used as an intoxicant in Siberia. It is excreted, un- 

 changed, in the urine, and it is stated that the urine is drunk when the 



1 IS 



I 



r;l 



supply is short, and thus the intoxicant is handed on from one man 

 to another. 



Muscarine nitrate, C 5 H 15 N0 3 , is prepared artificially from cholin, 

 C 5 H 15 N0 2 . Cholin is one of the decomposition products of lecithin. 



