xxii REPORT — 1842. 



MAGXETICAL OBSERVATIONS. 



That the Committee formerly appointed (consisting of Sir John Herschcl, 

 Professor Whewell, the Very Rev. Dr. Peacock, Professor Lloyd, and Colonel 

 Sabine) for conducting the co-operation of the Association in the system of 

 simultaneous Magnetical and Meteorological Observations be re-appointed, 

 with the sum of 89/. 11*. 2d. (the residue of the former grant) at their dis- 

 posal for the purpose. 



LIGHT. 



That Sir David Brewster be requested to continue his examination of the 

 Action of different bodies upon the Spectrum, with the sum of 40/. at his dis- 

 posal for the purpose. 



KEW OBSERVATORY. 



That the sum of 200/. be placed at the disposal of the Council for uphold- 

 ing the establishment in the Kew Observatory, lately placed by Her Majesty 

 the Queen at the disposal of the British Association for the purposes of 

 Scientific Investigation. 



SCIENTIFIC MEMOIRS. 



That the Committee formerly appointed to superintend the translation and 

 publication of Foreign Scientific Memoirs (consisting of Colonel Sabine, 

 Dr. R. Brown, Rev. Dr. Robinson, Sir John Herschel, Professor Wheatstone, 

 Sir David Brewster, Professor Ovven, Professor T. Graham, Professor Miller, 

 Sir W. Jardine, and Professor R. Graham) be re-appointed, and that the sum 

 of 50/. (part of the residue of the grant of last year) be placed at the disposal 

 of the Committee for the purpose. 



CHEMISTRY AND MINERALOGY. 



That Professor T. Graham, Dr. C. J. B. Williams, Professor Owen, Dr. 

 Prout, Dr. Hodgkin, and Professor Sharpey, be a Committee for making a 

 series of researches on the Chemistry and Physiology of Respiration and Di- 

 gestion, with the sum of 60/. at their disposal for the purpose. 



That Dr. Lyon Playfair and Professor Bunsen of Marburg be a Com- 

 mittee for examining the gases evolved from Iron Furnaces (both hot and 

 cold blast), more especially with a view to the ceconomy of fuel, with the sum 

 of 50/. at their disposal for the purpose. 



That Dr. Kane, Dr. Schunck, and Dr. L. Playfair, be a Committee for ex- 

 amining into the Chemical History of the Substances of the Tannin family, 

 With the sum of 10/. at their disposal for the purpose. 



That Dr. Kane, Dr. Schunck, and Dr. L. Playfair, be a Committee for ex- 

 amining the Chemical History and Origin of the colouring materials used in 

 the Arts, with the sum of 10/. at their disposal for the purpose. 



That Mr. Robert Mallet be requested to make researches upon the amount 

 of oxidation of the Rails of Railways, both in use and out of use, distinguish- 

 ing and determining also the loss by abrasion, with the sum of 20/. at his dis- 

 posal for the purpose. 



That the Committee formerly appointed (consisting of Sir H.T.De laBeche, 

 Mr. R. Hutton, Dr. Richardson, Mr. L. Horner, Colonel Sabine, and Pro- 

 fessor Phillips), for promoting the publication of the drawings requisite to 

 the illustration of the Report on Fossil Reptiles by Professor Owen, be re- 

 appointed, with the sum of 40/. (the residue of the former grant) at their dis- 

 posal for the purpose. 



That the Committee formerly appointed (consisting of the President of the 

 Royal Society, the Rev. Dr. Buckland, Mr. Murchison, Mr. John Taylor, 



