"Bessie Books."_ I. VIOLET'S IDOL. THE FIRST VOLUME. 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. Printed By Spottiswoode AND CO. NEW-STREET SQUARE PARLIAMENT STREET SIXTH.