36 Scientific Works published by Longmans , Green, 6 Co. 



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



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



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



HEAT, A MODE OF MOTION. With 125 Woodcuts and 



Diagrams. Crown 8vo. , i2s. 



LECTURES ON LIGHT DELIVERED IN THE UNITED 



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

 Diagrams. Crown 8vo., 5^. 



FRAGMENTS OF SCIENCE: a Series of Detached Essays, 



Addresses, and Reviews. 2 vols. Crown 8vo., i6s. 



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 1870 The Copley Medallist of 1871 Death by 

 Lightning Science and the Spirits. 



Vol. II. 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., IQJ. 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. 



ESSAYS ON THE FLOATING MATTER OF THE AIR IN 



RELATION TO PUTREFACTION AND INFECTION. With 24 Wood- 

 cuts. Crown 8vo., 75. 6d. 



RESEARCHES ON DIAMAGNETISM AND MAGNECRY- 



STALLIC ACTION ; including the Question of Diamagnetic Polarity. Crown 



8VO. , I2S. 



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 PHENpMENA AND THEORIES, delivered 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., 6s. 6d. net. 



HOURS OF EXERCISE IN THE ALPS. With 7 Illustrations. 



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



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



