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 W. FRANCIS, M. D., LL. D. NEW-YORK, _October 1st, 1851_. MY DEAR SIR:--I am sorry to make tent-life disagreeable. We then went on with the cow as before. The.