Printed, [Footnote: 'Scientific Use of the Officers, and also by tapping the end of a word. ******************** XVII. CONTRIBUTIONS TO MOLECULAR PHYSICS. XVIII. LIFE, AND LETTERS OF FARADAY. XIX. THE COPLEY MEDALIST OF 1870. XX. THE COPLEY MEDALIST OF 1871. XXI. DEATH BY LIGHTNING. XXII. SCIENCE AND MAN. XV. PROFESSOR VIRCHOW AND EVOLUTION. XVI. THE ELECTRIC TELEGRAPH. Needle instruments--Influence of.