14243 270295 COPYRIGHT, 1920, BY DOUBLEDAY, PAGE & COMPANY ALL RIGHTS RESERVED, INCLUDING THAT OF TRANSLATION то M. J. D. WHOSE UNCEASING ATTENTION TO THE DETAILS OF DAILY LIFE AND WHOSE MANIFOLD PERSONAL SACRIFICES HAVE ADDED SO MANY HOURS TO THE SUM OF THE TIME I HAVE BEEN ABLE TO DEVOTE TO INVESTIGATION AND STUDY, THIS BOOK IS AFFECTIONATELY DEDICATED |