Ixxviii REPORT — 1869. 



That Colonel Lane Fox, Sir John Lnbbock, Mr. Busk, Mr. Evans, and Mr. 



Stevens be a Committee for the purpose of examining the interior of Stone- 

 henge, with instructions to apply to iSir Edward Antrobus for permission to 

 do so. 



That the Committee on Agricultural Macliinery, consisting of the Duke 

 of Bucclcuch, the Eev. Patrick Bell, Mr. David Greig, Mr. J. Oldham, Mr. 

 William Smith, C.E., Mr. Harold Littledale, The Earl of Caithness, Mr. 

 Eobert Neilson, Professor Rankine, Mr. E. J. BramweU, Professor Willis, 

 and Mr. Charles Manby, be reappointed ; and that Messrs. P. Le Neve Poster 

 and J. P. Smith be the Secretaries. 



That the Committee on Boiler Explosions, consisting of Mr. W. Fairbairn, 

 Mr. Joseph Whitworth, Mr. Lavington E. Fletcher, Mr. F. J, BramwcU 

 (with power to add to their number), be reappointed with a view to their 

 considering and reporting on any legislative measiures which may be brought 

 forward in reference to the prevention of steam-boiler explosions. 



Involving Ap2Jlicaiions to Government. 



That the President of the British Association, the President of the Geological 

 Section, and Mr. Godwin- Ansten, Vice-President of the Section, be a Com- 

 mittee for the purpose of calling the attention of Her Majesty's Government 

 to the importance of completing, without delay, the valuable investigation into 

 the composition and geological distribution of the Haematite Iron Ores of 

 Great Britain and Ireland, which has been already in part piiblished in the 

 Memoirs of the Geological Survey. 



That the Committee on the Laws regulating the Flow and Action of Water 

 holding solid matter in suspension, consisting of Mr. T. Hawksley, Professor 

 Eankine, Mr. R. B. Grantham, Sir A. S. Wangh, and Mr. T. Login, be re- 

 appointed, with authority to represent to Government the desirability of 

 undertaking experiments bearing on the subject. 



That the Committee appointed to report on the state of existing knowledge 

 on the stahU'dii, propulsion and sea-r/oinr/ qualities of ships, and consisting of 

 Mr. C. W. Merriticld, Mr. Bidder, Captain Douglas Gallon, Mr. F. Galton, 

 Professor Eankine, Mr. W. Fronde, be reappointed ; and that tliey be in- 

 structed to apply to the Admiralty to make the experiments recommended in 

 their First Report. 



Communications to he printed iu cxteiiso in the Annual Report of 



the Association. 



That Professor Magnus's communication " On the Emission, Absorption, 

 and Reflexion of Obscure Heat," be printed in e.rtcnso among the Reports. 



That Professor Morren's communication '•' On the Chemical Action of Light 

 discovered by Professor Tyndall," be printed in extenso among the Eeports. 



That ^Ir. Glaishcr's observations made by the Captive Balloon be pub- 

 lished in the Proceedings. 



That Mr. Frederick Purdy's paper on the " Pressure of Taxation on Eeal 

 Property," be printed in extenso among the Eeports. 



That Mr. F. J. BramwcU's paper " On the laws determining the fracture 

 of materials when sudden changes of thickness take place," be printed in ex- 

 tenso in the Eeport. 



That Mr. Jose])h Whitworth's paper " On the penetration of Armour Plates 

 by Shells with heavy bursting charges," be printed in extenso in the Eeport. 



