500 



Macdonald (J. 8.) The Demarcation Current of Mammalian Nerve (Preliminary 

 Communication), 310; II. The Source of the Demarcation Current con- 

 sidered as a Concentration Cell, 315 ; III. The Demarcation Source and the 

 Concentration Law, ;5L'">. 



Macfadyen (A.), Morri* (U. II.), and Rowland (S.) On Expressed V.a-t.ill 

 Plasma (Buchner's " Zymase "), -~>". 



McClung (R. K.) See Rutherford and McClung. 



Magnetical Observations at Falmouth Observatory, 1897-1899, 139. 



Man, Data for Problem of Evolution in (Beeton, Yule, and Pearson), 159 ; (Loe 

 and Pearson), 333. 



Manson (P.) admitted, 328. 



Marble, Investigation into Flow of (Adams and Nicolson), 228. 



Meeting of June 21, 1900, 1 ; November 15, 328 ; November 22, 402 ; November 30, 

 436 ; December 6, 436 ; December 13, 466. 



Metals, Crystalline Structure of (Ewing and Rosenhain), 112. 



Molecular Energy, Distribution of (Jeans), 236. 



Morris (G. H.) See Macfadyen, Morris, and Rowland. 



Muir (J.) On the Tempering of Iron hardened by Overstrain, 461. 



Nerve Crossing, Restoration of Co-ordinated Movements after (Kennedy), 431. 

 Nerve, Mammalian, Demarcation Current and Electrical Resistance of, Effects of 



Dilute Solutions, &c., on (Macdonald), 310. 

 Newall (H. F.) See Turner and Newall. 

 Nicolson (J. T.) See Adams and Nicolson. 

 North (Sir F.) elected, 1 ; admitted, 323. 

 Northumberland (Duke of) elected, 402 ; admitted, 436. 



Officers and Council nominated, 402. 



Offspring, Correlation between Number of, and Duration of Life (Beeton, Yule, 

 and Pearson), 159. 



Papers published during Recess, List of, 329. 



Papers read, Lists of, 1, 329, 403, 436, 467.1 



Pearson (Karl) On the Kim-lie Accumulation of Stress, illustrated by the Theory 



of Impulsive Torjion, 222 ; See also Beeton, Yule, and Pearson, and Lee 



and Pearson. 



Photography of Coloured Objects in correct Monochrome (Abney), 118. 

 Potter (XI. (.'.) On a Bacterial Disease of the Turnip (Brassica itapus), 442. 

 Psettdomoncu destructans, n. sp., Bacterium of Diseased Turnips (Potter), 442. 



Rainfall, Variations in : and Solar Changes of Temperature (Lockyer and Lockyer), 



409. 

 Rambaut (A. A.) admitted, 1 ; Underground Temperature at Oxford in the 



Year 1899, as determined by Five Platinum-resistance Thermometers, 218. 

 Ramsay (VV.) and Travers (M. W.) Argon and its Companions, 329. 

 Rayleigh (Lord) On the Viscosity of Gases as affected by Temperature, 137. 

 Resistance in Iron, Change of, produced by Magnetisation (Gray and Jones), 208. 

 Roberts-Austen (Sir W.) On the Diffusion of Gold in Solid Lead at the ordinary 



Temperature, 101 ; and Rose (T. Kirke) On certain Properties of the 



Alloys of the Gold-Copper Series, 105. 

 Rock Specimens from Diamond Mines, Griquulaud West (Bouney), 475. 



