INDEX SLIP. 
Ram baut, Arthur A.—Underground Temperature at Oxford in the year 
1899, as Determined by five Platinum-Resistance Thermometers. 
Phil. Trans., A, vol. 195, 1900, pp. 235-258. 
Thermal Diffusivity of Oxford Gravel. 
Rambaixt, Arthur A. Phil. Trans., A, voi. 195, 1900, pp. 235-258. 
