Vlll CONTENTS OF VOL. V. FIFTH SERIES. 



Page 

 Notices respecting New Books : — 



Prof. S. Newcomb's Popular Astronomy 467 



Capt. "W. cle W. Abney's Treatise on Photography, and In- 

 struction in Photography 469 



Proceedings of the G-eological Society : — 



Prof. A. C. Ramsay on the G-eology of Gibraltar 471 



Mr. J. Gr. H. Godfrey on the Geology of Japan 473 



Contribution to the Theory of the Motion of Electricity in Sub- 

 marine and Underground Telegraph-wires, by Gr. Kirchhoff. 474 

 Experiment for Illustrating the Terrestrial Electrical Currents, 



by Professor W. Leroy Broun 475 



On the Diffusion of Carbonic Acid through Water and Alcohol, 

 by Professor Stefan « . 476 



PLATES. 



I. Illustrative of Dr. 0. J. Lodge's Paper on a Form of Daniell Cell 

 convenient as a Standard of Electromotive Force. 



II. Illustrative of Professors Ayrton and Perry's Paper on Ice as an 

 Electrolyte. 



III.-VII. Illustrative of Mr, J. Aitken's Paper on Rigidity produced by 

 Centrifugal Force. 



VIII. Illustrative of A. Ritter's Paper on States of Aggregation, and Mr. 

 H. C. Russell's on a new Modification of the Bichromate Battery. 



IX., X. Illustrative of Professors Ayrton and Perry's Experiments on the 

 Heat-conductivity of Stone. 



XI. Illustrative of Sir G. B. Airy's Paper on the Correction of the 

 Compass in Iron Ships. 



XII. Illustrative of Prof. G. Quincke's Paper on the Edge-angle and 

 Spread of Liquids on Solid Bodies. 



ERRATUM IN VOL. IV. 



Page 461, lines 16-21, for P read P. 



ERRATA IN VOL. V. 



In footnote, page 206, for Plucker read Riicker. 

 Page 216, lines 3 and 4, for 



7 4 5 

 a 3 a 2 a x 



read 7 4 5 



6 2 5 



«_1 «_2 «-3 



6 2 5 



«_! a !_ 2 «-3 



