Society to protect the PROJECT GUTENBERG™ concept and trademark. Project Gutenberg eBook of Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2 Author: John Tyndall *** END OF THE PROJECT GUTENBERG EBOOK 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 PARLIAMENT STREET SIXTH EDITION. VOL. II. LONDON: LONGMANS, GREEN, AND CO. 1879. All rights reserved. PREFACE TO THE COLOUR AND CHEMICAL CONSTITUTION OF THE HOUSE," ETC., ETC. [Illustration] BOSTON LOTHROP PUBLISHING COMPANY COPYRIGHT, 1885, BY D. LOTHROP AND COMPANY. _All rights reserved._ PANSY TRADE-MARK REGISTERED JUNE 4, 1895.