CONTENTS. 



1899. 



"■""""" PAGE 



Jan. 20. — Professor Dewar — Liquid Hydrogen .. .. 1 



„ 27. — The Eight Hon. Sir Mountstuart E. Grant 



Duff — Epitaphs .. .. .. .. .. 15 



Feb. 3. — Victor Horsley, Esq. — The Roman Defences of 



South-East Britain .. .. .. .. 35 



„ 6. — General Monthly Meeting .. .. .. .. 45 



„ 10. — Professor H. S. Hele-Shaw — The Motion of a 



Perfect Liquid .. .. .. .. .. 49 



„ 17. — Richard R. Holmes, Esq. — George the Third as 



a Collector.. .. .. .. .. .. 65 



„ 24. — Professor Oliver Lodge — Coherers .. .. 72 



March 3. — Sir Frederick Pollock, Bart. — King Alfred .. 75 



„ 6. — General Monthly Meeting 93 



„ 10. — Professor H. L. Callendar — Measuring Extreme 



Temperatures .. .. .. .. .. 97 



„ 17. — Professor Francis Gotch — The Electric Fish of 



the Nile 114 



„ 24. — The Right Hon. Lord Ratleigh — Transparency 



and Opacity .. .. .. .. .. 116 



April 10.— General Monthly Meeting 120 



„ 14. — Professor A. W. Rucker — Earth Currents and 



Electric Traction .. .. .. .. ..124 



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