That the major portion of nasal troubles is caused by the deviation of the septum, I think will be admitted by those who have devoted much time to the treatment of nasal troubles and have investigated the causes of these troubles. As a nation the Americans may be said to be universally afflicted with deflected septa, and to this cause alone we may safely attribute 75 per cent, of the nasal affections that are so frequent among them. I have been unable to find any extensive statistics concerning this trouble in the United States, but from my own observation I will venture to place the percentage of deviated septa as high as 90 per cent.
The only reliable statistics of any extent furnished on this subject are those of Mackenzie among the English and of Zuckerkandl among the Austrians. The first taken from the skulls in the museum of the