Vlll 



Contents. 



February 22, 1897. page 



On the Diffraction Pattern near the Focus of a Telescope. By 



R. H. D. Mayall 259 



On the marks made by stars on photographic plates exposed near the 



focus of a telescope. By H. F. Newall 269 



On Theorems on the contacts of spheres. By W. M C F. On- . . .271 

 On change of the independent variable in a coefficient. By E. G. Gallop 272 



March 8, 1897. 



On the injection of the intercellular spaces occurring in the leaves of 

 Elodea during recovery from plasmolysis. By F. Darwin and 

 Miss Pertz 272 



On the phenomena of Carbon Dioxide production associated with 



reduced vitality in plants. By F. F. Blackman .... 273 



On the leaves of Bennettites. By A. C. Seward ..... 273 



April 26, 1897. 

 On Lie's Solution of a Partial Differential Equation of the First Order. 



By Dr Dixon 279 



On the Apparent Electrification in an Electric Field at the Bounding 



Surface of Two Dielectrics. By A. Anderson 292 



On Luminosity attending the compression of certain rarified gases. By 



H. F. Newall 295 



May 10, 1897. 

 Observations on Stomata by a new method. By F. Darwin . . 303 



Notes on hybrid Cinerarias produced by Mr Lynch and Miss Pertz. 



By W. Bateson 308 



May 24, 1897. 

 The relationship of Amphioxus and Balanoglossus. By E. W. MacBride 309 

 On the degree of the Eliminant of Two Algebraic Equations. By Dr 



Lachlan 313 



Tides on the Equilibrium Theory. By Dr Chree 318 



Experiments on the Effect of Ultra-violet Light on the Conductivity of 



Iodine Vapour. By J. Henry 319 



October 25, 1897. 



Annual General Meeting 323 



324 

 332 

 332 

 332 

 333 



Electrical Oscillations in Wires. By H. C. Pocklington 



On Circles, Spheres and Linear Complexes. By J. H. Grace 



Reduction of a certain Multiple Integral. By Arthur Black . 



On the Gamma Function. By H. F. Baker .... 



On the lines of striction of a hyperboloid. By H. F. Baker . 



On the Action of Uranium rays on the Condensation of Water Vapour. 



By C. T. R. Wilson . . ■ 333 



