A HISTORY OF MAGIC AND EXPERIMENTAL SCIENCE VOLUME I A HISTORY OF MAGIC AND EXPERIMENTAL SCIENCE DURING THE FIRST THIRTEEN CENTURIES OF OUR ERA LYNN THORNDIKE BY VOLUME I COLUMBIA UNIVERSITY PRESS NEW YORK AND LONDON Copyright 1923 Columbia University Press First published by The Macmillan Company 1923 ISBN 0-231-08794-2 Manufactured in the United States of America 10 9 8 7