V 



February 21, 1878. 



Page 



On the Alteration of the Thermal Conductivity of Iron and Steel caused 

 by Magnetism. By Herbert Tomlinson, B. A., Demonstrator of Natural 



Philosophy, King's College, London 109 



Chemical Notes. By Dr. Maxwell Simpson, F.E.S., Professor of Che- 

 mistry in Queen's College, Cork 118 



Further Note on Supersaturated Saline Solutions. By Charles Tomlin- 

 son, F.E.S 121 



Sur une Equation Differentielle du 3me Ordre. By Professor Francesco 

 Brioschi 126 



February 28, 1878. 



On certain Definite Integrals. By W. H. L. Eussell, F.E.S 129 



On the Eeversal of the Lines of Metallic Vapours. By G. D. Liveing, 

 M.A., Professor of Chemistry, and J. Dewar, M.A., F.E.S., Jacksonian 

 Professor, University of Cambridge. No. 1 132 



Contributions to the Physiology of Batrachian Lymph-Hearts. By John 

 Priestley, Assistant-Lecturer in Physiology in Owens College, Man- 

 chester.... 137 



On the Structure of the Stylasteridse, a Family of the Hydroid Stony 

 Corals. By H. N. Moseley, F.E.S., Fellow of Exeter College, Oxford, 

 late Naturalist on board H.M.S. ' Challenger' 141 



List of Presents 141 



No. 186.— March 7, 1878. 



On the Photometry of the Magneto-Electric Light. By Captain W. de 

 W. Abney, E.E., F.E.S 157 



Experimental Eesearches on the Temperature of the Head. By J. S. 

 Lombard, M.D., formerly Assistant-Professor of Physiology in Harvard 

 University, U.S 166 



Addition to Memoir on the Transformation of Elliptic Functions. By 

 A. Cayley, F.E.S., Sadlerian Professor of Pure Mathematics in the 

 University of Cambridge 177 



March 14, 1878. 



On Professor Haughton's Estimate of Geological Time. By George H. 

 Darwin, M.A., Fellow of Trinity College, Cambridge 179 



Some Experiments on Conductive Properties of Ice, made in Discovery 

 Bay, 1875-6. By Staff Surgeon E. W. Coppinger, M.D 183 



On the Function of the Sides of the Vessel in maintaining the State of 

 Supersaturation. By Charles Tomlinson, F.E.S 189 



