PROCEEDINGS OF 

 THE EOYAL SOCIETY. 



VOL. sm. No. 256. 



CONTENTS AUG29 



June 9, 1887. \ 



Election of Fellows s ^- v,t,wlftN . 352 



<7«»e 16, 1887. 



I. On the Structure of the Mucilage Cells of JBlechnum oeeidentale (L.) 

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

 G-abdinee, M.A 353 



II. On Eabies. By G-. F. Dowdeswele, M.A., &c. . . . ! . . 355 



III. On the Tubercular Swellings on the Roots of Vicia Faba. By H. 

 Marshall Wabd, M.A., F.L.S., Fellow of Christ's College, Cam- 

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

 College, Cooper's Hill , . . . 356 



IY. The Electromotive Properties of the Electrical Organ of Torpedo 



marmorata. By Feaistcis G-otch, B.A., B.Sc, London, M.A. Oxon. 357 

 V. On Thermal Radiation in Absolute Measure. By J. T. Bottomlet, 



M.A. . . . . . . 357 



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

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

 Plumian Professor in the University of Cambridge .... 359 

 VII. 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 



Heebeet Tomlinson, B.A. 362 



VIII. On Kreatinins. I. On the Kreatinin of Urine as distinguished from 

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

 from the Dehydration of Urinary Xreatin. By GtEOBGE Stlliing- 

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



IX. On Gasterolichenes, a new Type of the Grroup Liclienes. By 



G-. Massee 370 



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