This is an EXACT reproduction of a book published before 1923. This ISNOT an OCR'd book with strange characters, introduced typographicalerrors, and jumbled words. This book may have occasional imperfectionssuch as missing or blurred pages, poor pictures, errant marks, etc.that were either part of the original artifact, or were introduced bythe scanning process. We believe this work is culturally important, anddespite the imperfections, have elected to bring it back into print aspart of our continuing commitment to the preservation of printed worksworldwide. We appreciate your understanding of the imperfections in thepreservation process, and hope you enjoy this valuable book