CONTENTS OF VOL. XXXV. 



(FOURTH SERIES.) 



NUMBER CCXXXIV.— JANUARY 1868. 



Page 



Mr. G. F. Rodwell on the Theory of Phlogiston 1 



Prof. How's Contributions to the Mineralogy of Nova Scotia. . 32 



M. A. Kundt's Acoustic Experiments. 41 



Mr. J. P. Cooke on certain Lecture-Experiments, and on a New 



Form of Eudiometer 48 



Pr. C. Collingwood on a remarkable Phenomenon observed at 



Rangoon 61 



Sir William Thomson on a Uniform-Electric-Current Accumu- 

 lator 62 



Sir William Thomson on Volta-Convection by Flame 64 



Sir William Thomson on Electric Machines founded on Induc- 

 tion and Convection 66 



Notices respecting New Books : — Prof. Tyndall's Course of 

 Eight Lectures on Sound, delivered at the Royal Institution 



of Great Britain 73 



On a New Photometer, by C. H. Bennington, M.A. Cantab.. . 78 

 New Observations on the Spectra of the Fixed Stars, by Father 

 Secchi 78 



NUMBER CCXXXV.— FEBRUARY. 



Mr. J. J. Waterston on certain Thermomolecular Relations of 

 Liquids and their Saturated Vapours. (With Four Plates.). . 81 



