28 Scientific PP^orks published by Longmans, Green, cr' Co. 



WORKS BY JOHN TYNDALL, D.C.L., LL.D., F.R.S. 



FRAGMENTS OF SCIENCE: a Series of Detached Essays, 



Addresses, and Reviews. 2 vols. Crown 8vo. , 165. 



Vol. I. — The Constitution of Nature — Radiation — On Radiant Heat in Relation to the 

 Colour and Chemical Constitution of Bodies — New Chemical Reactions produced by 

 Light — On Dust and Disease — Voyage to Algeria to observe the Eclipse — Niagara — 

 The Parallel Roads of Glen Roy — Alpine Sculpture — Recent Experiments on Fog- 

 Signals — On the Study of Physics — On Crystalline and Slaty Cleavage — On Para- 

 magnetic and Diamagnetic Forces — Physical Basis of Solar Chemistry — Elementary 

 Magnetism — On Force — Contributions to Molecular Physics — Life and Letters of 

 Faraday— The Copley Medallist of 187c — The Copley Medallist of 1871 — Death by 

 Lightning — Science and the Spirits. 



Vol. n. — Reflections on Prayer and Natural Law— Miracles and Special Providences — On 

 Prayer as a Form of Physical Energy— Vitality — Matter and Force — Scientific Ma- 

 terialism — An Address to Students — Scientific Use of the Imagination — The Belfast 

 Address — Apology for the Belfast Address — The Rev. James Martineau and the 

 Belfast Address — Fermentation, and its Bearings on Surgery and Medicine — Spon- 

 taneous Generation — Science and Man — Professor Virchow and Evolution — The 

 Electric Light. 



NEW FRAGMENTS. Crown 8vo., 10s. 6d. 



Contents. — The Sabbath — Goethe's ' Farbenlehre'— Atoms, Molecules, and Ether Waves 

 — Count Rumford — Louis Pasteur, his Life and Labours — The Rainbow and its Congeners — 

 Address delivered at the Birkbeck Institution on October 22, 1884 — Thomas Young — Life in the 

 Alps — About Common Water — Personal Recollections of Thomas Carlyle — On Unveiling the 

 Statue of Thomas Carlyle — On the Origin, Propagation, and Prevention of Phthisis — Old 

 Alpine Jottings — A Morning on Alp Lusgen. 



LECTURES ON SOUND. With Frontispiece of Fog-Syren, and 



203 other Woodcuts and Diagrams in the Text. Crown 8vo. , loy. 6d. 



HEAT, A MODE OF MOTION. With 125 Woodcuts and 



Diagrams. Crown 8vo. , 12s. 



LECTURES ON LIGHT DELIVERED IN THE UNITED 



STATES IN 1872 AND 1873. With Portrait, Lithographic Plate, and 59 

 Diagrams. Crown 8vo., ^s. 



ESSAYS ON THE FLOATING MATTER OF THE AIR IN 



RELATION TO PUTREFACTION AND INFECTION. With 24 Wood- 

 cuts. Crown 8vo. , 7s. 6d. 



RESEARCHES ON DIAMAGNETISM AND MAGNECRY- 



STALLIC ACTION; including the Question of Diamagnetic Polarity. Crown 

 8vo. , \2S. 



NOTES OF A COURSE OF NINE LECTURES ON LIGHT, 



delivered at the Royal Institution of Great Britain, 1869. Crown 8vo. , is. 6d. 



NOTES OF A COURSE OF SEVEN LECTURES ON 



ELECTRICAL PHENOMENA AND THEORIES, dehvered at the Royal 

 Institution of Great Britain, 1870. Crown 8vo. , is. 6d. 



LESSONS IN ELECTRICITY AT THE ROYAL INSTI- 

 TUTION 1875-1876. With 58 Woodcuts and Diagrams. Crown 8vo. , 2s. 6d. 



THE GLACIERS OF THE ALPS : being a Narrative of Excur- 

 sions and Ascents. An Account of the Origin and Phenomena of Glaciers, and 

 an Exposition of the Physical Principles to which they are related. With 

 7 Illustrations. Crown 8vo. , 6^. 6d. net. 



HOURS OF EXERCISE IN THE ALPS. With 7 Illustrations. 



Crown 8vo. , 6s. 6d. net. 



FARADAY AS A DISCOVERER. Crown 8vo., 35. 6d. 



