Ampère.]--Diamagnetism and Magne-crystallic Action, p. 136-7. ******************** XVI. ON FORCE. XVII. CONTRIBUTIONS TO MOLECULAR PHYSICS. XVIII. LIFE, AND LETTERS OF FARADAY. XIX. THE COPLEY MEDALIST OF 1871. XXI. DEATH BY LIGHTNING. XXII. SCIENCE AND THE 'SPIRITS'. ******************** 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 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states.