Minerals. 391 



1839. 



Total acquisitions 1800, including : 



A series of 979 specimens of variegated clay from London and 

 the vicinity : presented by Mrs. Swan. 



About sixty specimens of schists, serpentines, breccias, etc., 

 from Egypt and Arabia Petrsea : collected and presented by 

 Sir J. Gardner Wilkinson, F.R.S. 



1841. 



Total acquisitions 305, including : 



About 300 specimens of phonolitic and basaltic lavas from the 

 Canary Islands : collected and presented by Mr. P. Barker Webb. 

 [See P. Barker Webb and S. Berthelot, Histoire Naturelle des ties 

 Canaries, Paris, 1839.] 



1842. 



Total acquisitions 205, including : 



A series of polished slabs of marbles from Derbyshire and 

 Staffordshire : purchased. 



1844. 



Total acquisitions 702, including : 



The rock-collections made by the Antarctic Expedition of 

 1839-43 under Sir James Clark Ross, including specimens from 

 Kerguelen Land, Cape Horn, Cockburn Island, South Victoria 

 Land, Tasmania, the Little Island of Trinidad, St. Paul's Rocks 

 and Falkland Islands: presented by the Lords Commissioners 

 of the Admiralty. [The specimens collected during the three 

 voyages southwards into Antarctic regions have been described 

 by Mr. G. T. Prior in Mineralogical Magazine, 1899, vol. xii, 

 pp. 69-91 ; and those from the Little Island of Trinidad in 

 Mineralogical Magazine, 1900, vol. xii, pp. 317-323.] 



1845. 



Total acquisitions 341, including : 



A collection of about 300 specimens of granites, schists, sand- 

 stones, limestones, etc., from South Australia: presented by 

 the Governor, Sir George Grey, K.C.B. 



