428. Disordered action of the principle of self-preservation 429. Disordered.and alienated action of the possessory principle. 430. Instances of the second kind or form of disordered action of the 433. Further remarks on the disordered action of the social propensity 458 436. Of sympathetic imitation, and what is involved in it 437. Familiar instances of sympathetic imitation. 438. Instances of sympathetic imitation at the poor-house of Harlem 443. Of the mental disease termed hypochondriasis 444. Of intermissions of hypochondriasis, and of its remedies 449. Of natural or congenital moral derangement 150. Of moral accountabili y in cases of natural or congenital moral MENTAL PHILOSOPHY. DIVISION FIRST. THE INTELLECT OR UNDERSTANDING. INTELLECTIVE OR INTELLECTUAL STATES OF THE MIND. PART FIRST. INTELLECTUAL STATES OF EXTERNAL ORIGIN. MENTAL PHILOSOPHY. CHAPTER I. ORIGIN OF KNOWLEDGE IN GENERAL. § 1. The mind susceptible of a threefold division. THE Human Mind, regarded as a whole, is undoubtedy to be considered as constituting a nature or existence which is truly, and in the strictest sense, one and indivisible. At the same time, if we would have a correct and thorough knowledge of it, it is necessary to contemplate it in three distinct points of view. Accordingly, the leading Divisions in which the Mind presents itself to our notice, are the Understanding or Intellect, the Sensibilities, and the Will. The states of mind which are the results of the action of these leading mental departments, are appropriately expressed by the phrases INTELLECTUAL, SENSITIVE or SENTIENT, and VOLUNTARY states of the mind. -It is the object of this Abridgment to examine, in as brief a manner as possible, the Divisions which naturally come first in order, viz., the Intellect and the Sensibilities The limits which we find it necessary to assign to the present undertaking, do not allow us to enter into an examination of the distinct and important department of the Will. § 2. The Intellect susceptible of a subordinate division. We begin with the Intellect or Understanding; that department of the mind by means of which we perceive, compare, and reason; and which, in its various modes of action, is the source of all our knowledge. The Intellectual part of man may be considered under two points of view, viz., the External Intellect and the Internal Intellect; in other words, intellectual states of External, and intellectual states of Internal origin.-Intellectual states of External origin depend for their existence upon |