Far be it from us to attempt to awaken all the various tones of this chord, whose vibrations reveal the profound secrets which lie hid in the inmost recesses of the soul.

We might well want powers adequate to so vast an undertaking.

Our business here is only with that morbid sympathy by the aid of which the dancing mania of the Middle Ages grew into a real epidemic.

In order to make this apparent by comparison, it may not be out of place, at the close of this inquiry, to introduce a few striking examples:-- 1.

"At a cotton manufactory at Hodden Bridge, in Lancashire, a girl, on the fifteenth of February, 1787, put a mouse into the bosom of another girl, who had a great dread of mice.