Psychological-Sexual

Imagination relates either to the past, the present or the future. On the one hand, it is the outright re-imagery in the mind's eye of past experiences. On the other hand, it is the creation of new and original mental images or visions by the recombination of old experiential elements.

You come now to a study of the phenomenon of memory, the instrument by which your mind retains and makes use of its knowledge, the agency that has power to resurrect the buried past or power to enfold us in a Paradise of dreams more perfect than reality.

That the grey matter of the cerebral hemispheres is the exclusive seat of mind is proved in two ways. In the first place, if we look to the animal kingdom as a whole, we find that, speaking generally, the intelligence of species varies with the mass of this grey matter. Or, in other words, we find that the process of mental evolution, on its physical side, has consisted in the progressive development of this grey matter superimposed upon the pre-existing nervous machinery, until it has attained its latest and maximum growth in man.

I have tried to show how the study of the Idiot is calculated to throw light upon the abstruse question of the connection between Matter and Mind, and that it is a subject fraught with interest not only to the Philanthropist, but to the Theologian, and to the Political Economist.

The present volume takes a wide survey of the field of error, embracing in its view not only the illusions of sense dealt with in treatises on physiological optics, etc., but also other errors familiarly known as illusions, and resembling the former in their structure and mode of origin.

THE prominent civilized nations--the Babylonians and Egyptians, the Hebrews and Hindus, the Persians, the Greeks and the Romans, as well as the Teutons and others--all began at an early stage to glorify their national heroes--mythical princes and kings, founders of religions, dynasties, empires, or cities--in a number of poetic tales and legends.

A Manual of Arabian Erotology.