IV 



CONTENTS. 



1899. 

 April 21. 



-Fbedebick Walkeb Mott, M.D. — Structure of the 

 Brain in Relation to its Functions 



.. 125 



„ 28. — Pbofessob C. A. Cabus Wilson — Some Features 



of the Electric Induction Motor .. .. .. 135 



May 1. — Annual Meeting .. .. .. .. .. 139 



„ 5. — William James Russell, Esq. — Pictures Produced 



on Photographic Plates in the Dark .. .. 140 



„ 8.— General Monthly Meeting \. 147 



-Peofessob Thomas Peeston — Magnetic Perturba- 

 tions of the Spectral Lines .. .. .. 151 



-The Right Rev. The Loed Bishop of Bbistol 

 — Runic and Ogam Characters and Inscriptions 

 in the British Isles .. .. .. ..164 



-Adjourned General Meeting .. .. .. 188 



-Sie William Maetin Conway — Climbs and Ex- 

 plorations in the Andes .. .. .. .. 189 



-General Monthly Meeting .. .. .. .. 192 



Celebration of the Centenary of Foundation of the 



Royal Institution, 1799-1899 197 



July 3.— General Monthly Meeting 219 



Nov. 6.— General Monthly Meeting 223 



Dec. 4.— General Monthly Meeting 229 



1900. 



1900. 



Jan. 19. — The Right Hon. Loed Ratleigh — Flight ., 233 



„ 26. — The Hon. Chaeles A. Pabsons — Motive power ; 



High-Speed Navigation ; Steam Turbines .. 235 



Feb. 2. — Signob G. Mabconi — Wireless Telegraphy .. 247 



