PROCEEDINGS OF 



THE ROYAL SOCIETY. ^hJ-i 

 jT^ 



vol. xl. / No. 245. 



CONTENTS. Va- If* 

 Jf«*/ 27, 1886. 



PAGE 



I. Family-likeness in Eye-colour. By Francis Galton, F.R.S. . . 402 



II. A G-eneral Theorem in Electrostatic Induction, -vith Application of it 

 to the Origin of Electrification by Friction. By John Buchanan, 

 B.Sc, Demonstrator of Physics, University College, London . . 416 



III. Notes on Alteration induced by Heat in certain Vitreous Rocks ; based 



on the Experiments of Douglas Herman, F.I.C., F.C.S., and G. F. 

 Rodwell, late Science Master in Marlborough College. By Feank 

 Rutley, F.Gr.S., Lecturer on Mineralogy in the Royal School of 

 Mines. (Plates 3—5) 430 



IV. On the Relation between the Thickness and the Surface-tension of 



Liquid Films. By A. W. Reinold, M.A., F.R.S., Professor of 

 Physics in the Royal Naval College, Greenwich, and A. W. Ruckee, 

 M.A., F.R.S 441 



V. Experiments with Pressure on Excitable Tissues." By Geoege J. 



Romanes, F.R.S 446 



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

 Part I. Elasticity — continued. The Effect of Magnetisation on the 

 Elasticity and the Internal Friction of Metals. By Heebeet 

 Tomxinson, B.A 447 



VII. Researches in Stellar Photography. 1. In its Relation to the Photo- 

 metry of the Stars ; 2. Its Applicability to Astronomical Measure- 

 ments of Great Precision. By the Rev. C. Peitchaed, D.D., F.R.S., 

 Savilian Professor of Astronomy in Oxford ..... 449 



VIII. Researches upon the Self-induction of an Electric Current. By Pro- 

 fessor D. E. Hughes, F.R.S 450 



IX. Contribution to the Study of Intestinal Rest and Movement. By J. 



Theodoee Cash, M.D 469 



June 4, 1886. 



Election of Fellows 471 



For continuation of Contents see 3rd and 4<th pages of Wrapper. 



Price Six Shillings and Sixpence, 



