ALKALOIDS. 



PLATE VI 



norphine treated with nitric acid. 



Morphine treated with solution of 

 ferric chloride. 



Codeine treated with bromine water 

 and ammonia water. 







Quinine treated with chlorine water 

 and ammonia water. 



Strychnine treated with sulphuric 

 acid and potassium dicbromate. 



Brucine treated with nitric acid and 

 with sodium thiosulphate. 



Physostigmine treated successively 



with ammonia water, alcohol, acetic acid, 

 and again with ammonia water. 



Veratrine treated with sulphuric acid. 



A Jfofit&Co Litli Bulttntorr, . \(d 



