This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1849 Excerpt: ... MESMERISM. Few created things are more mysterious to men, than man. From time immemorial his nature,-his faculties, and his susceptibilities, have been the subjects of anxious investigation among the learned; and even in our day, not only do new systems of anthropology spring up and gain favor, but new susceptibilities are professedly discovered, and new influences adapted to those susceptibilities, which fill the minds of the ignorant with inexpressible wonder, gain great favor with even learned men who are fond of the marvelous, and puzzle the minds of the more incredulous. It may not be surprising that the ablest writers cannot satisfactorily explain all the wonders of Mesmerism, when we remember that even ordinary sley remains an inexplicable mystery, defying the profoundcst investigations of physiologists. Of sleep, Dr. Good says: " I freely confess to you, that although I have endeavored to investigate almost every opinion that has been offered upon it, from the time of Aristotle to our own day, I have never met with anything in the least degree satisfactory, or capable of unraveling the perplexities in which it lies entangled." It is thought to be caused by whatever exhausts the principle of life, as great muscular excitement, violent pain, and the like; but if such are in truth the causes of sleep, they afford no clue to an explanation of its Book of Nature, sec. viii. (206-) nature. Dunglison, an eminent writer on Physiology, says: " The functions of sensibility, voluntary motion, and expressiorf, cannot be indulged for any length of time, without fatigue being induced, and a necessity arising for the reparation of the nervous energy which has been expended during their action. After a time--the length of which is somewhat influenced by habit--the...
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