Vlll 



June 4. 1874. 



Page 



Election of Fellows 361 



June 11, 1874. 



Note on the Absorption-Spectra of Potassium and Sodium at low Tempe- 

 ratures. By H. E. Roscoe, F.R.S., and Arthur Schuster, Ph.D. (Plate IV.) 362 



Note on the alleged Existence of Remains of a Lemming in Cave-deposits 

 of England. By Professor Owen, C.B., F.R.S 364 



On the alleged Expansion in Volume of various Substances in passing by 

 Refrigeration from the state of Liquid Fusion to that of Solidification. 

 By Robert Mallet, C.E., F.R.S 366 



Note on the Excitation of the Surface of the Cerebral Hemispheres by 

 Induced Currents. By J. Burdon Sanderson, M.D., F.R.S., Professor of 

 Practical Physiology in University College, London 868 



Spectroscopic Notes. No. I. On the Absorption of great Thicknesses of 

 Metallic and Metalloidal Vapours. By J. Norman Lockyer, F.R.S 371 



Spectroscopic Notes. No. II. On the Evidence of Variation in Molecular 

 Structure. By J. Norman Lockyer, F.R.S 372 



Spectroscopic Notes. No. III. On the Molecular Structure of Vapours in 

 connexion with their Densities. By J. Norrnan Lockyer, F.R.S 874 



Spectroscopic Notes. No. IV. On a new Class of Absorption Phenomena. 

 By J. Norman Lockyer, F.R.S 378 



June 18, 1874. 



A Contribution to the Anatomy of Connective Tissue, Nerve, and Muscle, 

 with special reference to their connexion with the Lymphatic System. 

 By G. Thin, M.D 380 



Given the Number of Figures (not exceeding 100) in the Reciprocal of a 

 Prime Number, to determine the Prime itself. By William Shanks. . . . 381 



On the Number'of Figures in the Reciprocal of everv Prime between 20,000 

 and 30,000. By William Shanks ". 384 



Research on the Smallpox of Sheep. By E. Klein, M.D., Assistant Pro- 

 fessor at the Laboratory of the Brown Institution, London 388 



Researches in Spectrum-Analysis in connexion with the Spectrum of the 

 Sun. No. IV. By J. Norman Lockyer, F.R.S 391 



An Account of certain Organisms occurring in the Liquor Sanguinis. By 

 William Osier, M.D. (Plate V.) ? . 391 



On Coniferine, and its Conversion into the Aromatic Principle ef Vanilla. 

 By Ferd. Tiemann and Wilh. Haarmann 398 



On the Forces caused by Evaporation from, and Condensation at, a Surface. 

 By Prof. Osborne Reynolds, of Owens College, Manchester 401 



