300 HAMILTON P. DUFFIELD 



happens that physicians indicate their preference, by placing 

 the initials of the manufacturer on their prescriptions. If 

 another make of poorer quality is used in compounding the 

 medicine, the druggist is guilty of adulteration by substitution. 

 As the pure food and drug bill was killed in the senate, March 

 3, 1905, by substitution of another bill, the same fraud in filling 

 prescriptions will for a time continue. 



