The Wilde Lectures. Ixvii 



THE WILDE LECTURES. 



1897. (July 2.) "On the Nature of the Rontgen Rays." 



By Sir G. G. Stokes, Bart, F.R.S. {28 pp.) 



1898. (Mar. 29.) "On the Physical Basis of Psychical 



Events." By Sir MICHAEL Foster, K.C.B., 

 F.R.S. {46 pp.) 



1899. (Mar. 28.) "The newly discovered Elements; 



and their Relation to the Kinetic Theory of 

 Gases." By Prof WILLIAM Ramsay, F.R.S. 

 (/p //.) 



1900. (Feb. 13.) "The Mechanical Principles of Flight." 



By the Rt. Hon. LORD Rayleigh, F.R.S. 



{26 pp.) 



