IV CONTENTS. 



Page 



Report on the Heat generated in the Blood in the process of Arteria- 

 lization. By Arthur Gamgee, M.D., F.R.S.E., Lecturer on Physiology 

 in the Medical School, Surgeons' Hall, Edinburgh 228 



Report on the best means of providing for a uniformity of "Weights and 

 Measures, with reference to the Interests of Science. By a Committee, 

 consisting of Sir Joh:n- Bowring, F.R.S., The Right Hon. Sir C. B. 

 Adderlet, M.P., Samuel Brown-, F.S.S., Dr. Farr, F.R.S., Frank P. 

 Fellowes, Professor Franklaxd, F.R.S., Professor Hennessy, F.R.S., 

 James Heywood, F.R.S., Sir Robert Kaxe, F.R.S., Professor Leone 

 Levi, F.S.A., F.S.S., Professor W. A. Miller, F.R.S., Professor Rax- 

 KiNE, LL.D., F.R.S., C. W. Siemens, F.R.S., Colonel Sykes, F.R.S., 

 M.P., Professor A. ^Y. Williamson, F.R.S., James Yates, F.R.S., Dr. 

 George Glover, Sir Joseph Whitworth, Bart., F.R.S., J. R. Napier, 

 H. DiRCKS, J. V. N. Bazalgette, W. Smith, Su- W. Fairbaien, Bart., 

 F.R.S., ami John Robinson : — Professor Leone Levi, Secretary .... 232 



NOTICES AND ABSTRACTS 



OP 



MISCELLANEOUS COMMUNICATIONS TO THE SECTIONS. 



MATHEMATICS AND PHYSICS. 



Addi-ess by Professor J. Clerk Maxwell, LL.D., F.R.S., President of the 



Section 1 



Mathematics. 



Professor A. Oayxey on the Problem of the in-and-circumscribed Triangle . . 9 



on a Correspondence of Points and Lines in Space .... 10 



Mr. Robert Stawell Ball on the small Oscillations of a Particle and of a 



Rigid Body 10 



Mr. W. K. Clifford on an Unexplained Contradiction in Geometry 12 



Mr. R. Leslie Ellis's Observations on Boole's ' Laws of Thought ' 12 



Rev. Robert Harley on Boole's ' Laws of Thought ' 14 



Mr. William Spottiswoode on Musical Intervals 15 



Mr. W. H. L. Russell on Linear Differential Equations 16 



Mr. W. H. Walenn on a Numerical Theorem, with practical applications . . IG 



GejS^eeal Physics, 



Prof J. Cleek Maxmtill on HiUs and Dales 17 



