1-2 *** Produced by Jon Richfield FRAGMENTS OF SCIENCE: A SERIES OF DETACHED ESSAYS, ADDRESSES, AND REVIEWS. BY JOHN TYNDALL, F.R.S. Printed By Spottiswoode AND CO. NEW-STREET SQUARE AND PARLIAMENT STREET SIXTH EDITION, VOL. 1. LONDON: LONGMANS, GREEN, AND CO. 1879. All rights reserved. PREFACE TO THE SIXTH EDITION. VOL. I. INORGANIC NATURE. I. THE LITTLE FLOWER-GIRL.