81 



IV 



Obituary Notices of Deceased Fellows : 



Henry James Brooke page 41 



M. Augustin Cauchy 44 



The Rev. William Daniel Conybeare 50 



Dr. Marshall Hall 52 



John Ayrton Paris, M.D 56 



The Rev. William Scoresby, D.D 57 



M. Thenard 60 



On the Chemical Action of Water on Soluble Salts. By Dr. J. H. 

 Gladstone, F.R.S 66 



On the Molecular Properties of Antimony. By George Gore, Esq. 70 



Researches on the Structure and Homology of the Reproductive 

 Organs of the Annelids. By Thomas Williams, M.D., F.L.S., 

 Physician to the Swansea Infirmary 72 



Observations on the Poison of the Upas Antiar. By Professor Albert 

 Kolliker, of Wiirzburg 72 



On some Physical Properties of Ice. By John Tyndall, Ph.D., F.R.S. 76 



Remarks upon the Magnetic Observations transmitted from York 

 Fort in Hudson's Bay, in August 1857, by Lieut. Blakiston, of the 

 Royal Artillery. By Major-General Sabine, R.A., Treas. and 

 V.P.R.S 



On the Isolation of the Radical, Mercuric Methyl. By George 

 Bowdler Buckton, Esq., F.R.S 91 



On Certain Formulse for Differentiation. By Arthur Cayley, Esq. 

 F.R.S 93 



On the Electric-Conducting Power of the Metals. By Augustus 

 Matthiessen, Ph.D 95 



On the Thermo-electric Series. By Augustus Matthiessen, Ph.D. 97 



A Memoir on the Theory of Matrices. By Arthur Cayley. Esq., 

 F.R.S . 100 



A Memoir on the Automorphic Linear Transformation of a Bipartite 

 Quadric Function. By Arthur Cayley, Esq., F.R.S 101 



On some of the Products of the Destructive Distillation of Boghead 

 Coal. Part H. By C. Greville Williams, Esq., Lecturer on Che- 

 mistry in the Normal College, Swansea 102 



On the Electrical Nature of the Power possessed by the Actiniae of 

 our Shores. By Robert McDonnell, M.D., M.R.I.A., Lecturer on 

 Anatomy and Physiology in the Carmichael School of Medicine, 

 Dublin 103 



On the Physical Structure of the Old Red Sandstone of the County 

 of Waterford, considered with relation to Cleavage, Joint Surfaces, 

 and Faults. By the Rev. Samuel Haughton, Fellow of Trinity 

 College, Dublin, and Professor of Geology 108 



Memoire sur les Limites de la Pression dans les Machines travaillant 

 a la detente du Maximum d'effet; et sur Pinfluence des Espaces 



