515 



graph on this class of animals, which will be published in 

 the forthcoming volume of the Philosophical Trans- 

 actions. 



7. To Leonard Horner, Esq., for the analysis of specimens 

 of the water of the Nile, and of the soil at different depths 

 in the valley of the Nile, which had been procured by the aid 



of a grant from the Donation Fund of the Royal Society . . 50 



The results of this analysis have been published in 

 the Philosophical Transactions. 



8. To William Hopkins, Esq. of Cambridge, for investi- 

 gations on the effect of pressure on the temperature of fusion 



of certain substances 250 



These important experiments, in which Mr. Hopkins 

 has been assisted by Messrs. Fairbairn and Joule of 

 Manchester, are still in progress. A report of the re- 

 sults hitherto obtained is expected to be presented to 

 the Royal Society at its next session. 



9. To Dr. Miller, Mr. Gassiot, and Colonel Sabine, re- 

 presenting the Kew Committee of the British Association, 

 for the construction and verification of standard meteorolo- 

 gical instruments 150 



By the aid of this and of a subsequent grant of equal 

 amount in 1852, the Kew Committee have been enabled 

 to meet satisfactorily the extensive applications which 

 have been made to them by the Governments of our 

 own country and of the United States, to provide and 

 verify meteorological instruments required for the ma- 

 rine meteorological researches undertaken by those 

 governments with a view to the interests of trade and 

 navigation, as well as to those of general science. 



10. To Professor Owen, to defray the cost of drawings of 

 undescribed and unfigured fossils from South America and 

 Australia 100 



These drawings have been executed, and are seventy- 

 two in number. 



Total sum appropriated in 1851. ... 1000 



