1 2 Scientific Works published by Longmans, Green, &> Co. 

 WORKS BY JOHN TYNDALL, 



D.C.I.:rIiL.I>.. P.B.S. 



Fragments of Science: a Series of Detached Essays, Addresses and Re- 

 views. 2 vols. Crown 8vo. 16s. 



VOL. I. :— The Constitution of Nature— Radiation— On Radiant Heat in relation to the 

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

 — On Dust and Disease — Voya{;e 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 Paramagnetic and Diamagnetic Forces 

 — ^Physical Ba^ia of Solar Chemistry — Elementary Magnetism- On Force— Contributions to 

 Molecular Physics— Life and Letters of FaBaday— The Copley Medalist of 1870- The 

 Copley Medalist 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 Materi- 

 alism—An Address to Students— Scientific Use of the In-agination— The Belfast Address — 

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

 Fermentation, and its Bearings on Surgery and Medicine — Spontaneous Generation — 

 Science and Man — Professor ViRCHOW and Evolution — The Electric Light. 



Ifew Fragments. Crown 8vo, 10«. 6d. 



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

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

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

 in the Alps— About Common Water— Personal Recollections of Thomas Carlyle— On Un- 

 Teiling 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 Frontis- 

 piece of Fog-Syren, and 203 other 

 Woodcuts and Diagrams in the Text. 

 Crown 8vo. 10s. 6d. 



Heat, a Mode of Motion. With 

 125 Woodcuts and Diagrams. Cr. 

 8vo. 12s. 



Lectures on Light delivered in 



the United Stales in 1872 and 1873. 

 With Portrait, Lithographic Plate 

 and 59 Diagrams. Crown 8vo. 6s. , 



Essays on tlie Floating Matter of 



the Air in relation to Putrelactiou 

 and Infection. With 24 Woodcuts. 

 Crown 8vo. 7s. 6d. 



Paxaday as a Discorerer. Crown 

 8vo. 3s. ec!. 



Kesearches on Diamagnetism and 

 Magnecrjstallic - Action ; including 

 the Question of Diamagnetic Polarity. 

 Crown 8vo. 12s. 



Notes of a Course of Nine Lectures 



on Light, deliveied at the Royal 

 Institution of Great Britain, 1869. 

 Crown 8vo. Is. 6d. 



Notes of a Course of Seven Lec- 

 tures on Electrical Phenomena and 

 Theories, delivered at the Royal In- 

 stitution of Great Britain, 1870. Cr. 

 8vo. Is. 6d. 



Lessons in Electricity at the 



Royal Institution, 18'75-1876. With 

 58 Woodcuts and Diagrams. Crown 

 8vo. 2s. 6(2. 



