PROCEEDINGS OF 

 THE EOYAL SOCIETY. 



VOL. XXV. 



CONTENTS. 



November 16, 1876. 



PAGE 



I. Experimental Contributions to the Theory of the Radiometer. — Preliminary 

 Notice. By William Ceookes, F.R.S. &c 304 



II. Magnetic Observations made at Stonyhurst College Observatory from April 



1870 to March 1876. By the Rev. S. J. Peeey, S. J., F.R.S 314 



III. On Electrical Conductivity and Electrolysis in Chemical Compounds. By 



Dr. L. Bleekeode 322 



NoveinbeT 23, 1876. 



I. On the Influence of Geological Changes on the Earth's Axis of Rotation. 



By George H. Daewin, M.A., Fellow of Trinity College, Cambridge . 328 



II. On the Structure and Development of the Skull in the Urodelous Amphibia. 



-Part I. By W. K. Paekee, F.R.S 333 



November 30, 1876. 

 ANNIVERSARY" MEETING. 



Report of Auditors 337 



List of Fellows deceased since last Anniversary 338 



elected 338 



Address of the President 339 



\_For continu-atian of Cont&nt^s see ^th page of Wrapper. '\ 



