Cambridge Meeting of the British Association. 153 



House in the evening, on the phenomena of shooting stars and of the 

 aurora boreal is ; in which Dr. Robinson of Armagh, Dr. Dal ton, Sir 

 John Herschel, Professor Airy, Mr. Scoresby, Mr. Whewell, Profes- 

 sor Christie, and Mr. D. Gilbert, engaged. It was stated by some 

 that the aurora was never elevated more than from three to seven 

 miles above the earth's surface ; while others contended that its alti- 

 tude was ninety or a hundred miles : this discrepancy led to an earnest 

 recommendation that the phaenomena should be more carefully and 

 accurately observed. 



June 25. — A meeting of the General Committee took place at ten 

 o'clock, in the hall of Trinity Hall, on general business. 



At eleven and twelve, meetings of the sections were resumed in the 

 Schools and Caius College Hall, for receiving and discussing com- 

 munications, &c. The following were the subjects examined re- 

 spectively in the appropriate sections. 



Remarks on certain Atmospheric Phaenomena observed at Hull in 

 March and April 1833. By G. H. Fielding, Esq. 



On Naval Architecture. By J. Owen, Esq. 



An Account of some Experiments relating to Isomorphism, un- 

 dertaken at the request of the Association, by Dr. Turner and Pro- 

 fessor Miller. 



A communication was made by Dr. Daubeny, on the Nature and 

 Quantity of the Gases given from off the Surface of the Water in cer- 

 tain Thermal Springs. 



Mr. John Taylor exhibited Sections of the Shafts of the Deepest 

 Mines, and gave some particulars respecting them. 



Observations relative to the Structure and Functions of Spiders. 

 By Mr. Blackwall. 



Observations on the Pith of Plants. By Professor Burnett. 



Observations on the Structure and Functions of the Nervous Sy- 

 stem, by Dr. Macartney, of Dublin, who detailed a considerable 

 number of highly interesting and important original facts. 



At one o'clock the General Meeting was held -, when we observed 

 present, besides the eminent individuals mentioned as attaching them- 

 selves to the sections, — Earl Fitzwilliam ; Lord Cavendish, M.P.j J* 

 Brocklehurst,Esq.,M.P.; G. W.Wood, Esq., M.P. ; J. W. Childers, 

 Esq., M.P. ; R. G. Townley, Esq., M.P. ; Sir T. Acland ; &c— and 

 also the following distinguished engineers : Mr. Watt, Mr. G. Ren- 

 nie, Mr. Brunei, Mr. Bramah, Mr. Lowe, Mr. Grafton, Mr. Hawkins, 

 Mr. Hodgkinson, &c. 



Professor Buckland (the President of the Association at the Oxford 

 meeting,) took the chair, and opened the business of the Meeting with 

 some congratulatory remarks on the success which had attended the 

 Association. He then briefly alluded to the Reports which had been 

 published, as communicated to the Meeting at Oxford, and resigned 

 the office of President to Professor Sedgwick. 



Professor Sedgwick, having taken the chair, proceeded to address 

 the Meeting at considerable length. He announced that Mr. Whewell 

 had at his request prepared a review of the Reports on the progress 



Third Series. Vol. 3. No. 14. Jus. 1833. X 



