CONTENTS. XI 



Page 



3. On the Explicit Form of the Complete Cubic Differential Resolvent. By 



the Rev. K. Haeley, F.R.S 538 



4. On a Geometrical Transformation. By Professor R. W. Genese, M. A.... 538 



6. On the Sum of the ?!th Powers of the Terms of an Arithmetical Pro- 

 gression. By Professor R. AV. Genese, M.A 540 



6. On a Form of Quartic Surface with twelve Notes. By Professor Catlet, 

 LL.D., F.R.S 540 



7. On the Jacobian Ellipsoid of Equilibrium of a rotating Mass of Fluid. 



By Professor G. H. Darwin, F.R.S 541 



8. On the Dynamical Theory of the Tides of Long Period. By Professor 



■ G. H. Daewin, F.R.S 541 



9. Note on Sir "William Thomson's Correction of the Ordinary Equilibrium 



Theory of the Tides. By Professor J. C. Adams, LL.D., F.R.S 541 



10. On the Determination of the Radius Vector in the Absolute Orbit of the 

 Planets. By Professor Gteden 642 



11. Note on the Orbits of Satellites. By Professor Asaph Hall 542 



12. Diagi'ammatic Representation of Moments of Inertia in a Plane Area. 



By Aleeed Lodge, M.A 543 



TUESDAY, SEPTEMBER 7. 



1. Report of the Committee for reducing and tabulating Tidal Observations 



in the English Channel, made with the Dover Tide-gauge, and for 

 connecting them with Observations made on the French coast 544 



2. Report of the Committee for constructing and issuing practical Standards 



for use in Electrical Measurements 544 



3. Report of the Committee on Electrolysis 544 



4. On an Electric Motor Phenomenon. By W. M. Moedet 544 



6. On Electric Induction between AVires and Wires. By W. H. Peeece, 

 F.R.S 546 



6. On a Magnetic E.x;periment. By W. H. Peeece, F.R.S 546 



7. On a new Scale for Tangent Galvanometer. By AV. H. Peeece, F.R.S., 

 and H. R. Kempe 546 



8. On Stationary AVaves in Flowing AA'^ater. By Sir AVilliam Thomson, 



LL.D., F.R.S 546 



9. Artificial Production and Maintenance of a Standing Bore. By Sir 

 AViLLiAM Thomson, LL.D., F.R.S 547 



10. A'elocity of Advance of a Natural Bore. By Sir AA'illiam Thomson, 

 LL.D., F.R.S 547 



11. Graphical illustrations of Deep Sea AVave-groups. By Sir A\'illiam 

 Thomson, LL.D., F.R.S 547 



12. Sir AVilliam Thomson's Improved AVheatstone's Rheostat. Bv J. T. 

 BoTTOMLET, M.A., F.R.S.E '. 547 



13. Description of Experiments for determining the Electric Resistance of 

 Metals at High Temperatures. By J. T. Botxomlet, M.A., F.R.S.E 548 



14. On a new Standard Sine-Galvanometer. By Thomas Geat, B.Sc, 



F.R.S.E 549 



15. On Magnetic Hysteresis. By Professor G. Foebes, M.A 550 



16. On a new System of Electrical Control for Uniform-motion Clocks. By 



Howard Geubb, F.R.S 552 



