Vlll 



Preliminary Notice of Additional Researches on the Cinchona Alka- 

 loids. Part III. By W. Bird Herapath, M.D. &c page 316 



Sur la Relation entre les Oourants induits et le Pouvoir Moteur de 

 1'Electricite'. By Professor Carlo Matteucci of Pisa 321 



On the Influence of the Gulf-stream on the Winters of the British 

 Islands. In a Letter from Professor Hennessy to Major-General 

 Sabine, V.P. and Treas. R.S 324 



On the Influence of Temperature on the Refraction of Light. By 

 Dr. J. H. Gladstone, F.R.S., and the Rev. T. P. Dale, M.A., 

 F.R.A.S , 328 



On the Adaptation of the Human Fye to varying Distances. By 

 Charles Archer, Esq., Surgeon, Bengal Army 331 



On Curves of the Third Order. By the Rev. George Salmon, of 

 Trinity College, Dublin 333 



Researches on the Foraminifera. Part III. On the Genera Pene- 

 roplis, Operculina, and Amphistegina. By W. B. Carpenter, M.D., 

 F.R.S. &c 334 



Further Researches on the Grey Substance of the Spinal Cord. By 

 J. Lockhart Clarke, Esq., F.R.S 337 



On some new Ethyl-compounds containing the Alkali-metals. By 

 J. A. Wanklyn, Esq 341 



Note on Sodium-ethyl and Potassium-ethyl. By Edward Frankland, 

 Ph.D., F.R.S. 345 



Experimental Inquiry into the Composition of some of the Animals 

 fed and slaughtered as Human Food. By J. B. Lawes. Esq., 

 F.R.S., F.C.S., and J. H. Gilbert, Ph.D., F.C.S 348 



Note on the Formation of the Peroxides of the Radicals of the 

 Organic Acids. By B. C. Brodie, F.R.S., Professor of Chemistry 

 in the University of Oxford 361 



Notice of Researches on the Sulphocyanide and Cyanate of Naphtyl, 

 conducted by Vincent Hall, Esq. By A. W. Hoftnann, Ph.D., 

 F.R.S. &c, .365 



Preliminary Account of an Inquiry into the Functions of the Visceral 

 Nerves, with special reference to the so-called "Inhibitory Sys- 

 tem." By Joseph Lister, Esq., F.R.C.S. Eng. & Edin., Assistant 

 Surgeon to the Royal Infirmary of Edinburgh ; in a Letter to Dr. 

 Sharpey, Sec. R.S 367 



The Croonian Lecture. On the Theory of the Vertebrate Skull. By 

 Thomas H. Huxley, Esq., F.R.S 381 



Lppendix, containing 

 of General Sabine to the Committee. Communicated by order of 

 the President and Council . . . 457 



