118 MEETING OP THE BRITISH ASSOCIATION 



for the different sections during the week. The following are the 

 General Officers announced for the occasion : — 



Trustees— (permanent)— C. Babbage, Esq., F.R.S., R.J. Murchison,F.It.S., 



Jobn Taylor, Esq., F.R.S. 

 President — The Most Noble the Marquis of Lansdowne. 

 Vice-Presidents The Most Noble the Marquis of Northampton, F.R.S., 



Rev. W. D. Conybeare, F.R.S., James C. Prichard, M.D., F.ll.S. 

 General Secretaries — Francis Bailv, F.lt.S., Rev. William V. Harcourt, 



F.R.S. 

 Assistant General Secretary — Professor Phillips, F.R.S. 

 Treasurer — John Taylor, F.R.S. 



Local Officers. 



Treasurer — George Bengough, Esq. 



Secretaries— C. Daubney M.D., F.R.S., V. F. Hovendon, Esq. 



We shall now proceed to give a brief analysis of the proceedings 

 of the respective sections,* and we regret our limits restrict us from 

 giving a more ample notice of several highly interesting subjects 

 which came under consideration. 



Section A. — Mathematical and Physical Science. 



President — Rev. W. Whewell. 



Vice-Presidents — Sir D. Brewster, Sir W. R. Hamilton. 



Secretaries — Professor Forbes, W. S. Harris, Esq., F. W. Jerrard, Esq. 



Committee — C. Babbage, Esq., F.R.S., F. Baily, Esq., Professor James 

 Challis, Professor Forbes, Robert W. Fox, Esq., William Frend, Esq., 

 William Snow Harris, Esq., G. Jerrard, Esq., Rev. Dr. Lloyd, (Pro- 

 vost of Trinity College, Dublin), Professor Moll, Rev. G. Peacock, 

 Professor Rig'aud, John Robinson, Esq., Professor Stevelly, H. T. 

 Talbot, Esq., Professor Wheatstone. 



Monday. — At eleven o'clock the section met, when the president 

 took the chair. 



Mr. Lubbock read a paper of much interest, connected with the 

 proceedings of nearly all the meetings of the Association, on the 

 Investigation of Tides. The general inference was to confirm Ber- 

 noulli's theory of equilibrium. 



Mr. Whewell read a report respecting the committee appointed 

 to fix the relative level of the land and sea, with a view to deter- 

 mine its permanence. Another committee was formed — 1. To strike 

 level lines for considerable distances along the land ; as, for exam- 

 ple, from Bristol to Ilfracombe, and from Bristol to Lyme Regis, 

 with great accuracy : the permanence of these two lines (indepen- 

 dently of reference to the sea) would determine the permanence of 

 the relative level of the points. 2. To refer the extremities of 

 these lines to the sea at each extremity : the tides at the extremities 

 being of any different amount, the observations would decide whe- 



• The Litera>y Gazette and Bristol Mirror are the sources from which we 

 have condensed our abstract. 



