REPORTS ON THE STATE OF SCIENCE IX 



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 to take notice of, and report upon Changes in, Regulations — whether 

 Legislative, Administrative, or made hy Local Authorities — affecting 

 Secondary Education 234 



The Principle of Relativity. By E. Cunningham 236 



Stellar Distribution and Movements. By A. S. Eddington, M.A., M.Sc. . . 246 



The Present Position of Electric Steel Melting. Report by Professor 

 Andrew McWilliam, A.R.S.M., M.Met 261 



The Sensitiveness of Indicators. By H. T. Tizard 268 



Momentum in Evolution. By Professor Arthur Dendy, D.Sc, F.R.S 277 



On Heat Coagulation of Proteins. By Harriette Chick, D.Sc, and C. J. 

 Martin, M.B., D.Sc, F.R.S 281 



The Claim of Sir Charles Bell to the Discovery of Motor and Sensory Nerve 

 Channels (an Examination of the Original Documents of 1811 to 1830). 

 By Augustus D. Waller, M.D., F.R.S 287 



