390 Index. 



Sheppard, W. F., On the calculation of the double-integral expressing normal 



correlation (Trans, xix.), 317. 

 Skinner, S., On the electro-chemical equivalent of carbon, 261. 

 Sladen, S. St Barbe, Elected Fellow, 381. 

 Solidification, Velocity of (Wilson), 25. 

 Somerville, Professor W., Elected Fellow, 380. 

 Sound Reflection at a Paraboloid (Sharpe), 101. 

 Stokesite, a new mineral (Hutchinson), 216. 

 Striae in the positive column (Willows), 302. 

 Sugar Group (Jackson), 215. 



Taylor, O, On the Geometry of Kepler and Newton (Trans, xviii.), 188. 

 Taylor, H. M., On the construction of a model showing 27 lines on a Cubic 



Surface (Trans, xviii.), 188. 

 Thomson, Prof. J. J., On the connection between Chemical Composition of a 



gas and the Ionization produced in it by Rontgen rays, 10. 



On the motion of a charged ion in a magnetic field, 49. 



On the conductivity of gases exposed to Entladungsstrahlen, 74. 



Townsend, J. S. E., Elected Fellow, 379. 



On the formation of clouds with ozone, 52. 



On secondary Rontgen rays, 217. 



Variation in the shells of Chelonia, Orthogenetic (Gadow), 35. 

 Vincent, J. H., Experiments on Impact, 332. 



Walker, G. T., Elected Fellow, 38. 



Wealden Plants from Bernissart (Seward), 259. 



Welsh, W., Elected Fellow, 38. 



Western, A. E., Certain Systems of Quadratic Complex Numbers, 10. 



Wilberforce, L. R., On a method of measuring the retardation produced by 



a crystal plate, 376. 

 Willey, A., Elected Fellow, 185. 



Morphology of the Enteropneusta, 37. 



Willows, R. S., Striae in the positive column, 302. 



Wilson, C. T. R., Experiment on Condensation of Clouds, 189. 



Wilson, H. A., On Velocity of Solidification, 25. 



Zeleny, J., On Convection Currents and on the Fall of Potential at the 

 Electrodes in Conduction produced by Rontgen rays, 14. 



CAMBRIDGE : PRINTED BY J. ANP C, F. CLAY, AT THE UNIVERSITY PRESS, 



