CONTENTS. V 



Page 

 Feb. 17. — Professor F. Grace Calvert — On the Influence of 



Science on the Art of Calieo-Printing . . . 201 

 „ 24. — Dr. W. B. Carpenter — On the Relation between 



the Vital and the Physical Forces . . '. 206 



Marcli 2. — Professor H. E. Roscoe — On the Measurement of 



the Chemical Action of the Solar Rays . . . 210 



„ 5. — General Monthly Meeting 217 



„ 9; — Professor Faraday— On Lighthouse Illumina- 

 tion—the Electric Light 220 



„ 16. — Maxwell T. Masters, Esq.— On the Relation 

 between the Abnormal and the Normal Formations 



in Plants 223 



„ 23. — Nevil Story Maskelyne, Esq. — On Diamonds . 229 

 „ 30. — William Odling, Esq. — On Acids and Salts , . 234 



April 2. — General Monthly Meeting 241 



„ 20. — T. Spencer Cobbold, M.D. — On the Scope and 

 Tendency of the Natural History Sciences {no 



Abstract) 243 



„ 27. — F. A. Abel, Esq. — On recent Applications of Science, 

 in reference to the Efficiency and Welfare of Mili- 

 tary Forces ........ 243 



May 1. — Annual Meeting 252 



„ 4. — Edwin Lankester, M.D. —On Bread-making and 



Baking 253 



„ 7.— General Monthly Meeting 256 



„ 11. — Thomas Mayo, M.D. — On the relations of the Public 



to the Science and Practice of Medicine . . 258 

 „ 18. — Professor William Thomson — On Atmospheric 



Electricity 263, 277 



„ 25. — William Pengelly, Esq. — On the Devonian Fossils 

 of Devon and Cornwall, with special reference to 

 the Collection presented to the Oxford University 

 Museum, in connection with the Burdett-Coutts 

 Geological Scholarship ..... 263 



June 1. — Professor Tyndall — On some Alpine Phenomena . 269 



„ 4.— General Monthly Meeting 270 



„ 8. — Professor Faraday — On the Electric Silk-Loom . 271 



July 2. — General Monthly Meeting 274 



Nov. 5. — General Monthly Meeting 290 



Dec. 3. — General Monthly Meeting 293 



