Series of Detached ESSAYS, ADDRESSES, AND REVIEWS. BY JOHN TYNDALL, F.R.S. LONDON: PRINTED BY SPOTTISWOODE AND Co, NEW-STREET SQUARE AND PARLIAMENT STREET ********************************************************************** FRAGMENTS OF SCIENCE: A SERIES OF DETACHED ESSAYS, ADDRESSES, AND REVIEWS. BY JOHN TYNDALL, F.R.S. LONDON: PRINTED BY SPOTTISWOODE AND Co, NEW-STREET SQUARE AND PARLIAMENT STREET SIXTH EDITION. VOL. II. LONDON: LONGMANS, GREEN, AND CO. 1879. All rights reserved. PREFACE TO THE ETEXT OR ANY MEDIUM IT MAY BE ON, INCLUDING BUT NOT LIMITED TO WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT.