ADVERTISEMENT.

AFTER an interval of more than twenty years, I venture to present to the public a Second Volume on the Philosophy of the Human Mind.

When the Preceding Part was sent to the press, I expected that a few short chapters would comprehend all that I had further to offer concerning the Intellectual Powers; and that I should be able to employ the greater part of this Volume in examining those principles of our constitution, which are immediately connected with the Theory of Morals. On proceeding, however, to attempt an analysis of Reason, in the more strict acceptation of that term, I found so many doubts crowding on me with respect to the logical doctrines then generally received, that I was forced to abandon the comparatively limited plan according to which I had originally intended to treat of the Understanding, and, in the mean time, to suspend the continuation of my work, till a more unbroken leisure should allow me to resume it with a less divided attention.

Of the accidents which have since occurred to retard my progress, it is unnecessary to take any notice here. I allude to them, merely as an apology for those defects of method, which are the natural, and perhaps the unavoidable, consequences of the frequent interruptions by which the train of my thoughts has been diverted to other pursuits. Such of my readers as are able to judge bow very large a proportion of my materials has been