CONTENTS.

THE CHALLENGE.

NATURE AND MOTIVES OF GHOSTS.

PROPHECY OF SPECTRES.

ILLUSION OF SPECTRES.

PHANTASY FROM MENTAL ASSOCIATION.

PHANTASY FROM CEREBRAL EXCITEMENT.

PHANTASY FROM CEREBRAL CONGESTION.—OPIUM.

POETIC PHANTASY, OR FRENZY.

PHANTASY FROM SYMPATHY WITH THE BRAIN.

MYSTERIOUS FORMS AND SIGNS.

ANALYSIS AND CLASSIFICATION OF SPECTRAL ILLUSION.

ILLUSIONS OF ART.

ILLUSTRATION OF MYSTERIOUS SOUNDS.

FAIRY MYTHOLOGY.

DEMONOLOGY.

NATURE OF SOUL AND MIND.

NATURE OF SLEEP.

SUBLIMITY AND IMPERFECTION OF DREAMING.

PROPHECY OF DREAMS.

MORAL CAUSES OF DREAMING.

ANACHRONISM AND COINCIDENCE OF DREAMS.

MATERIAL CAUSES OF DREAMS.

INTENSE IMPRESSION.—MEMORY.

INFLUENCE OF DARK BLOOD IN THE BRAIN.

INCUBUS, OR NIGHT-MARE.

SOMNILOQUENCE.—SOMNAMBULISM.

IMITATIVE MONOMANIA.

REVERIE.

ABSTRACTION OF INTELLECT.

SOMNOLENCE.—TRANCE.—CATALEPSY.

PREMATURE INTERMENT.—RESUSCITATION.

TRANSMIGRATION.—ANALYSIS OF TRANCE.

MESMERISM.

SIBYLLINE INFLUENCE.