xviii REPORT — 1844. 



of a Committee of the British Association. Drawn up by the Rev. ^V. 

 Whewell, F.R.S., one of the Committee. 



A Memoir on the iVIagnetic Isoclinal and Isodynamic Lines in the British 

 Islands, from observations by Professors Humphrey Lloyd and John Phil- 

 lips, Robert Were Fox, Esq., Captain James Clark Ross, R.N,, and Majot 

 Edward Sabine, R.A., by Major Edward Sabine, R.A., F.R.S. 



First Report on the Determination of the Mean Numerical Values of Rail- 

 way Constants, by Dionysius Lardner, LL.D., F.R.S., &c. 



First Report upon Experiments instituted at the request of the British 

 Association, upon the Action of Sea and River Water, whether clear or foul, 

 and at various temperatures, upon Cast and Wrought Iron, by Robert Mal- 

 let, M.R.I. A., Ass. Ins. C.E. 



Notice of Experiments in progress, at the desire of the British Association, 

 on the Action of a Heat of 212" Fahr., when long continued, on Inorganic 

 and Organic Substances, by Robert Mallet, M.R.I. A. 



Experiments on the ultimate Transverse Strength of Cast Iron made at 

 Arigna Works, Co. Leitrim, Ireland, at Messrs. Bramah and Robinson's, 29th 

 May, 1837. 



Provisional Reports, and Notices of Progress in Special Researches en- 

 trusted to Committees and Individuals. 



1839? 



Report on the application of the sum assigned for Tide Calculations to 

 Mr. Whewell, in a letter from T. G. Bunt, Esq., Bristol. 



Notice of Determination of the Arc of Longitude between the Observato- 

 ries of Armagh and Dublin, by the Rev. T. R. Robinson, D.D., &c. 



Report of some Galvanic Experiments to determine the existence or non- 

 existence of Electrical Currents among Stratified Rocks, particularly those of 

 the Mountain Limestone formation, constituting the Lead Measures of Alston 

 Moor, by H. L. Pattinson, Esq. 



Report respecting the two series of Hourly Meteorological Observations 

 kept in Scotland at the expense of the British Association, by Sir David 

 Brewster, K.H., LL.D., F.H.SS.L. and E. 



Report on the subject of a series of Resolutions adopted by the British 

 Association at their Meeting in August 1838, at Newcastle. 



Third Report on the Progress of the Hourly Meteorological Register at the 

 Plymouth Dockyard, Devonport, by W. Snow Harris, Esq., F.R.S. 



1840. 



Report on Professor Whewell's Anemometer, now in operation at Ply- 

 mouth, by W. Snew Harris, Esq., F.R.S., &c. 



Report on the Motions and Sounds of the Heart, by the London Com- 

 mittee of the British Association for 1839-40. 



An Account of Researches in Electro-Chemistry, by Professor Schonbein 

 of Basle. 



Second Report upon the Action of Air and Water, whether fresh or salt, 

 clear or foul, and at various temperatures, upon Cast Iron, Wrought Iron, and 

 Steel, by Roberi Mallet, M.R.I.A., Ass. Ins. C.E. 



Report on the Observations recorded during the Years 1837, 1838, 1833 

 and 184'0, by the Self-registering Anemometer erected at the Philosophical 

 Institution, Birmingham, by A. Follett Osier, Esq. 



Report respecting the two series of Hourly Meteorological Observations kept 

 at Inverness and Kingussie, at the Expense of the British Association, from 

 Nov. 1st, 1838,toNov. 1st, 1839, by Sir David Brewster, K.H., F.R.S., &c. 



