VI CONTENTS OF VOL. IX. FIFTH SERIES. 



Page 

 Dr. C. E. Alder Wright and Mr. E. H. Bennie on the Determi- 

 nation of Chemical Affinity in terms of Electromotive Force. 



—Part II 331 



Sir James Cockle's Supplementary Paper on Primary Forms. 348 



Mr. W. Grant on Induction in Telephonic Circuits 352 



Mr. S. Tolver Preston on Method in Causal Eesearch 356 



Mr. J. P. Cooke on Berthelot's Thermo-Chemistry 367 



Mr. Shelford Bidwell on the Influence of Eriction upon the 



Generation of a Voltaic Current 374 



Notices respecting New Books : — 



Mr. H. E. Blanford's Eeport on the Administration of 

 the Meteorological Department of the Government of 



India in 1878-1879 377 



Indian Meteorological Memoirs 377 



Proceedings of the Geological Society: — 



Prof. T. M'Kenny Hughes on the Geology of Anglesey . . 380 

 Mr. E. S. Cobbold on the Strata exposed in laying out the 



Oxford Sewage-Earm at Sandford-on-Thames 381 



Mr. G. W. Shrubsole on the various Species of British 



Upper-Silurian EenestellidsD 381 



Dr. E. Hull on the Geological Eelations of the Eocks of 

 the South of Ireland to those of North Devon and 



other British and Continental Districts 381 



Mr. S. Y . Wood on . the Newer Pliocene Period in Eng- 

 land 382 



On the Specific Heat and Conductivity of Bodies, by M. Morisot. 386 

 Note on Supernumerary Bainbows, by Ch. Montigny, Member 



of the Eoyal Academy of Belgium 389 



On the Determination of High Temperatures, by H. Sainte- 

 Claire Deville and L. Troost 390 



NUMBEE LVIII.— JUNE. 



Prof. Clausius on the Behaviour of Carbonic Acid in relation 

 to Pressure, Volume, and Temperature 393 



Mr. J. C. Douglas on the use of Silver Films in improved In- 

 struments of the Camera-Lucida Class 409 



Dr. J. H. Long on the Diffusion of Liquids 413 



Prof. H. A. Eowland's Preliminary Notes on Mr. Hall's Eecent 

 Discovery . ' 432 



Mr. E. H. Eidout on some Effects of Vibratory Motion in 

 Fluids ; on the Attraction due to the Flow of Liquids from 

 an Expanded Orifice ; and Laboratory Notes 435 



Mr. W. P. Johnston on a Simple Method of identifying a sub- 

 merged Telegraph- Cable without cutting it 440 



Mr. H. Wild on a Complete Theory of the Bifilar Magnetometer 

 and new Methods for the Determination of the Absolute 

 Horizontal Intensity of the Earth's Magnetism, as well as of 

 the Temperature and Induction-coefficients of Magnets . . 443 



