ix 



Page 



On the supposed "New Force" of M. J. Thore. By William Crookes, 

 F.R.S., Pres. C.S 345 



List of Presents , ' 350 



No. 256.— June 9, 1887. 

 Election of Fellows 352 



June 16, 1887. 



On the Structure of the Mucilage Cells of Blechnum occidental (L.) 

 and Osmunda regalis (L.). By Tokutaro Ito, F.L.S., and Walter 

 Gardiner, M.A 353 



On Eabies. By G. F. Dowdeswell, M.A., &c 355 



On the Tubercular Swellings on the Koots of Vicia fdba. By H. 

 Marshall Ward, M.A., F.L.S., Fellow of Christ's College, Cambridge, 

 Professor of Botany in the Forestry School, Royal Indian College, 

 Cooper's Hill 356 



The Electromotive Properties of the Electrical Organ of Torpedo 

 marmorata. By Francis Gotch, B.A., B.Sc. London, M.A. Oxon 357 



On Thermal Radiation in Absolute Measure. By J. T. Bottomley, M.A. 357 



On Figures of Equilibrium of Rotating Masses of Fluid. By G. H. 

 Darwin, M.A., LL.D., F.R.S., Fellow of Trinity College and Plumian 

 Professor in the University of Cambridge 359 



The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part I. Elasticity — continued. The Velocity of Sound in Metals, 

 and a Comparison of their Moduli of Torsional and Longitudinal 

 Elasticities as determined by Statical and Kinetical Methods. By 

 Herbert Tomlinson, B.A , 362 



On Kreatinins. 1. On the Kreatinin of Urine as distinguished from 

 that obtained from Flesh-kreatin. II. On the Kreatinins derived 

 from the Dehydration of Urinary Kreatin. By George Stillingfleet 

 Johnson, M.R.C.S., F.C.S., F.I.C 365 



On GasterolickeneSj a new Type of the Group Lichenes. By G. Massee .... 370 



Experiments on the Discharge of Electricity through Gases. (Second 

 Paper.) By Arthur Schuster, F.R.S 371 



Contributions to our Knowledge of Antimony Pentachloride. By 

 Richard Anschiitz and P. Norman Evans 379 



Note on the Electrodeposition of Alloys and on the Electromotive 

 Forces of Metals in Cyanide Solutions. By Silvanus P. Thompson, 

 D.Sc, B.A 387 



On the true Fructification of the Carboniferous Calamites. By William 

 Crawford Williamson, LL.D., F.R.S. , Professor of Botany in the Owens 

 College and the Victoria University 389 



On Fossil Remains of Echidna Ramsayi (Ow.). Part II. By Sir 

 Richard Owen, K.C.B., F.R.S., &c. '. 390 



