xxii REPORT — 1839. 



On the Salmonidae of Scotland, by Sir J. W. Jardine. 



On the Caprimulgidse, by N. Gould, F.L.S. 



On the state of Meteorology in the United States of North 

 America, by A. Bache. 



On the state of Chemistry as bearing on Geology, by Pro- 

 fessor Johnston. 



On Molluscous Animals and their Shells, by J. E. Gray, 

 F R S 



On Ornithology, by P. J. Selby, F.R.S.E. 



On the Specific Gravity of Steam, by a Committee, of which 

 Mr. B. Donkin is Secretary. 



Recommendations for Additional Reports, Researches, and 

 Grants of Money sanctioned by the General Committee at 

 the Birmingham Meeting, 



ADDITIONAL REPORTS ON THE STATE OF SCIENCE REQUESTED. 



That Mr. W. J. Henwood be requested to furnish a Report 

 of his own observations on the Temperature of the deep Mines 

 of Cornwall. 



That Mr. R. W. Fox be requested to furnish a Report of his 

 own observations on Subterranean Temperature. 



That Professor Miller be requested to furnish a Report on 

 the recent progress and present state of the Science of Crystal- 

 lography. 



That Professor Forbes be requested to furnish a supple- 

 mentary Report on Meteorology. 



That Professor Powell be requested to furnish a supple- 

 mentary Report on Radiant Heat. 



That Professor de la Rive, of Geneva, be requested to fur- 

 nish a Report on the recent progress and present condition of 

 Electro-Chemistry and Electro-Magnetism. 



Additional Recommendations involving applications to Go- 

 vernment or Public Bodies sanctioned by the General Com- 

 mittee at the Birmingham Meeting. 



GEOLOGY. 



That with a view to supply one of the greatest desiderata at 

 present felt by geologists hi investigating the structure and 

 history of the earth, as well as to advance a branch of geology. 



