“e 
1 
130 ‘THE ALKALOID FROM PITURIE. 
When this alcoholic solution is treated with caustic soda in 
the cold, a smell similar to that of iodoform is emitted, not that of 
the alkaloid ; from the nicotine compound nicotine is liberated, 
according to Wertheim (Watt’s Dict. of Chemistry, iv, p. 47). 
The iodine compound of piturine melts at about 110° C., that of 
nicotine at 100° C. (Watt’s Dictionary of Chemistry, vol. iv, p. 47). 
Differences. 
