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



FRAGMENTS of SCIENCE : a Series of Detached Essays, 

 Addresses, and Reviews. 2 vols. crown 8vo. Ito. 



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LECTURES on SOUND. With Frontispiece of Fog- Syren, 

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HEAT, a MODE of MOTION. With 125 Woodcuts and 

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LEC1URES on LIGHT, DELIVERED in the UNITED 



bTATES in 1872 and 1873. With Portrait, Lithographic Plate, and 

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ESSAYS on the FLOATING MATTER of the AIR in 

 RELATION to PUTREFACTION and INFECTION. With 24 Wood- 

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RESEARCHES on DIAMAGNETISM and MAGNE- 

 CRYSTALLIC ACTION; including the Question of Diamagnttic 

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NOTES of a COURSE of NINE LECTURES on LIGHT, 



delivered at the Koyal Institution of Great Britain, 1869. Crown 

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NOTES of a COURSE of SEVEN LECTURES on ELEC- 

 TRICAL PHENOMENA and THEORIES, delivered at the Royal 

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LESSONS in ELECTRICITY at the ROYAL INSTITUTION, 



1875-1876. With 58 Woodcuts and Diagrams. Crown 8vo. 2s. 6rf. 



THE GLACIERS of the ALPS: being a Narrative of 



Excursions and Ascents. An Account of the Origin and Phenomena of 

 Glaciers, and an Exposition of the Physical Principles to which they 

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HOURS of EXERCISE in the ALPS. With 7 Illustrations. 



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FARADAY as a DISCOVERER. With 2 Portraits. Fcp. 8vo. 



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