528 Index. 



Proceedings at the meetings held during the Session 1902-1903, 247. 



„ „ „ 1903-1904,517. 

 Pulverization of " Nickel Grains " in Fuming Nitric Acid (Hollis), 253. 

 Punnett, R. C, Nutrition and Sex-determination in Man, 262. 



Note on the proportion of the sexes in " Carcinus maenas," 293. 



On the Proportion of the Sexes among the Todas, 481. 



Purvis, J. E., Elected Fellow 1903, May 4, 251. 



On a method of estimating the amounts of the oxides of Didymium and 



Erbium by means of the absorption bands of their solutions and its 

 application to other solutions, 202. 



On the influence of great dilution on the absorption Spectra of highly 



concentrated solutions of the nitrates and chlorides of Didymium and 

 Erbium, 206. 

 Pyridine, the Synthesis of carboxy derivatives of (Sell and Dootson), 93. 



Quasi-Radio-Activity produced by the Point Discharge (Edmonds), 469. 



Radio-Active Matter, pressure of in ordinary substances (Thomson), 391. 

 Radio-Activity from Rain (Wilson, C. T. R.), 17. 

 Radio-Activity from Snow (Wilson, C. T. R.), 85. 

 Radium Rays, Action of on Mercurous Salts (Skinner), 260. 

 Ramage, H., On the distribution and spectra of Metallic Vapours in Electric 

 Sparks, 350. 



Boiling Points of Homologous Compounds, 445. 



Reactions, irreversible simultaneous linear (Jones and Richardson), 215. 

 Richardson, O. W., The Theory of the Rate of Recombination of Ions in 

 Gases, 144. 



Irreversible simultaneous linear reactions, 215. 



Richmond, H. W., On Automorphic functions and the general Theory of 



Algebraic Curves, 78. 

 Ridgeway, W., The Origin of the Thoroughbred Horse, 141. 

 Rivers, W. H. R, Note on Mr Punnett's paper, 487. 



Robertson, A., Note on the Anatomy of Macrozamia heteromera, Moore, 1. 

 Rontgen, Wilhelm K. von, Elected Honorary Member 1902, Nov. 24, 248. 

 Rontgen Rays, negative electricity given off by a metal exposed to (Thomson), 



312. 

 Rudge, W. A. D., On the difference of Potential between the Terminals of a 



Vacuum tube, 155. 

 Rust-fungi and the " Mycoplasm Hypothesis " (Marshall Ward), 84. 



Sawfly, Early Development of the unfertilized egg (Doncaster), 474. 

 Searle, G. F. C, Notes on a Vibration Magnetometer and on the ball-ended 

 Magnets of Robison, 27. 



On the calculation of capacities in terms of the coefficients of Electro- 



static Induction, 378. 

 Seed, Selection of by chemical methods (Wood, T. B. and Berry, R. H), 98. 



