IV 



No. 349. May 2, 1895. 



Page 



List of Candidates recommended for Election 80 



Helium, a Gaseous Constituent of certain Minerals. Part I. By 

 William Eamsay, F.E.S., Professor of Chemistry in University 

 College, London 81 



Alternate Current Dynamo Electric Machines. By J. Hopkinson, 

 F R.S., and E. Wilson 89 



Note on the Relations of Sensory Impressions and Sensory Centres to 

 Voluntary Movements. By H. Charlton Bastian, M.D., F.R.S., 

 Professor of Clinical Medicine in University College, London 89 



The Fasciola Cinerea ; its Relation to the Fascia Dentata and to the 

 Nerves of Lancisi. By Alex Hill, M.D., Master of Downing 

 College .* 98 



An Attempt to Cultivate Parasitic Protozoa from Malignant Tumours, 

 Vaccinia, Molluscum Contagiosum, and certain Normal Tissues, 

 together with Infection Experiments carried out with the Culture 

 Media, and a Note on the Treatment of Cancer. . By Samuel G. 

 Shattock and Charles A. Ballance. [Title only.] .'. 103 



List of Presents .., 103 



May 9, 1895. 



Bakerian Lecture. On the Laws of Connexion between the Conditions 

 of Chemical Change and its Amount. By A. Vernon Harcourt, M. A., 

 F.R.S., Student of Christ Church, and Lee's Reader in Chemistry, 

 and William Esson, M.A., F.R.S., Fellow of Merton College and 

 Deputy Savilian Professor of Geometry in the University of Oxford. 

 III. Further Researches on the Reaction of Hydrogen Dioxide and 

 Hydrogen Iodide .... 108 



On the new Gas obtained from Uraninite. Second Note. By J. 

 Norman Lockyer, C.B., F.R.S 113 



On the new Gas obtained from Uraninite. Third Note. By J. 

 Norman Lockyer, C.B., F.R.S 116 



Action du Fluor sur 1'Argon. By M. Henri Moissan 120 



List of Presents ... 122 



May 16, 1895. 



On Measurements of small Strains in the Testing of Materials and 

 Structures. By J. A. Ewing, M.A., F.R.S., Professor of Mechanism 

 and Applied Mechanics in the University of Cambridge 123 



The Electrical Measurement of Starlight. Observations made at the 

 Observatory of Daramona House, co. Westmeath, in April, 1895. 

 Preliminary Report. By G. M. Minchin, M.A 142 



The Complete System of the Periods of a Hollow Vortex Ring. By 

 H. C. Pocklington, B.A., Fellow of St. John's College, Cambridge .... 155 



