9 
goiter) and to various forms of insanity. A vast number of data 
were collected, but these were often contradictory and not easily 
correlated. 
The result was that within a few months after Baumann’s first 
publication on the subject objections began to be urged against the 
view that the iodine is an important constituent of the thyroid. 
These objections have been repeated and still others urged up to the 
present time; they will be considered in detail in the following pages. 
