XX REPORT — 1842. 



On the progress of Astronomy during the present century (second Re- 

 port), by the Astronomer Royal. 



On the Theory of the Undulations of Fluid and Elastic Media, by Profes- 

 sor Kelland. 



*On Photography and its Applications, and other Cognate Phenomena, 

 by Fox Talbot, F.R.S. 



*On Physical Optics (second Report), by the Rev. Professor Lloyd, F.R.S. 



*On the Structure and Colours of Clouds, by a Committee consisting of 

 Mr. Phillips, Professor Miller, Sir David Brewster, Professor Stevelly, Pro- 

 fessor Daniell, Professor Forbes, and Mr. Luke Howard. 



*On the Progress made by the German Meteorological Association (second 

 Report), by Dr. Lamont of Munich. 



*On the Analogy between Deposits of Peat and Beds of Coal, by the 

 Rev. Dr. Fleming. 



*Oa the Laws of Divisional Structure in Rocks, derivable from obser- 

 vation, by John Phillips, F.R.S. 



*On the Structure and Uses of the Palpi of the Araneidea, by John 

 Blackwell, F.L.S. 



*On the present state of Knowledge of the Art of Smelting Iron, with a 

 view of ascertaining what parts of the process may be susceptible of improve- 

 ment, or may require the aid of scientific investigation ; three Reports, from 

 Mr. Anthony Hill for South Wales, Mr. Gibbon for the Midland Counties, 

 and Professor Gordon for Scotland. 



*On the consumption of Fuel and the prevention of Smoke, by Mr. Fair- 

 bairn, Mr. Houldsworth, Mr. Hodgkinson, and Mr. Buck. 



Recommendation involving an application to Government adopted by the 

 General Committee at the Twelfth Meeting. 

 That the President and Officers of the British Association, with the assist- 

 ance of the Marquis of Northampton, the Dean of Ely, Sir John F. W. Her- 

 schel, and Francis Baily, Esq., be appointed a Committee to make application 

 to Government to undertake the publication of the Catalogue of Stars in the 

 Histoire Celeste of Lalande, and of Lacaille's Catalogue of the Stars in the 

 Southern Hemisphere, which have been reduced and prepared for publication 

 at the expense of the British Association ; and that the President and Coun- 

 cil of the Royal Society be requested to support this application. The Dean 

 of Ely to be the Convener of this Committee. [To this Committee was also 

 referred the consideration of the steps to be taken for securing a publication 

 of the results obtained at the cost of the Association, by the Committee who 

 have investigated the ' Forms of Ships.'] 



Recommendations of Researches in Science involving Grants of Money, 

 adopted by the General Committee at the Twelfth Meeting. 



MATHEMATICAL AND PHYSICAL SCIENCE. 



ASTRONOMY. 



That the Committee for the revision of the Nomenclature of Stars (con- 

 sisting of Sir John Herschel, Rev. William Whewell, and Mr. Baily) be re- 

 appointed, with the sum of 32/., the unexpended part of a former grant, at 

 their disposal for the purpose. 



