!▼ CONTENTS. 



1890. Page 



April 25. — The Right Hon. Sir John Lubbock, Bart. M.P. — 



The Shapes of Leaves and Cotyledons .. .. 102 



May 1.— Annual Meeting .. .. .. .. .. 112 



„ 2. — Walter H. Pollock, Esq. — Theophile Gautier 



(no Abstract) .. .. ,. ., ., 113 



„ 6.— General Monthly Meeting 113 



„ 9. — R. Brudenell Carter, Esq. — Colour- Vision and 



Colour-Blindness .. .. .. .. ..116 



„ 16. — Professor Raphael Meldola — The Photographic 



Image .. .. .. .. .. .. 131: 



„ 23. — Professor A. C. Haddon — Manners and Customs 



of the Torres Straits Islanders .. .. .. 145 



„ 30. — A. A. Common, Esq. — Astronomical Telescopes .. 157 



June 2.— General Monthly Meeting 173 



„ 6. — Professor W. Botd Dawkins — The Search for 



Coal in the South of England 175 



„ 13. — Professor Silvanus P. Thompson — The Physical 



Foundation of Music .. .. .. .. 206 



July 7.— General Monthly Meeting 197 



Nov. 3. — General Monthly Meeting 199 



Dec. 1.— General Monthly Meeting 203 



1891. 



Jan. 23.— The Right Hon. Sir Edward Fry — British 



Mosses .. .. 237 



„ 30. — Professor J. W. Judd — The Rejuvenescence of 



Crystals 250 



Yg\), 2.— General Monthly Meeting 258 



^j 6. — The Right Hon. Lord Ratleigh — Some Applica- 

 tions of Photography ., .. .. .. 261 



