390 Minerals. 



1825. 



A collection of about 70 specimens of granites, sandstones, 

 limestones, basalts, &c., made by Captain Hugh Clapperton in the 

 Soudan : presented by the Lords Commissioners of the Admiralty. 

 [They were described by Mr. C. Konig in Denham and Clapper- 

 ton's Narrative of Travels and Discoveries in Northern and Central 

 Africa in 1822-24, appendix xxiii, p. 247, London, 1826.] 



1826. 



A collection of about fifty specimens of granites, dolerites, &c., 

 made by Lieut, (afterwards Rear- Admiral) H. W. Bayfield, R.N., 

 during a survey of Lake Superior : presented by the Lords 

 Commissioners of the Admiralty. 



1827. 



Two specimens of flexible sandstone from Itacolumi Moun- 

 tain, Minas Geraes, Brazil : presented by Viscount Strangford. 



1829. 



A collection of about thirty specimens of granites, quartz- 

 felsites, sandstones, &c., from the Sinai Peninsula : collected and 

 presented by Lord Prudhoe (afterwards Duke of Northumberland). 

 [A list of a duplicate set of these rocks, presented to the Royal 

 Dublin Society by the Duchess of Northumberland, and a 

 description of the journey from Cairo into Arabia Petraea, 

 during which the specimens were collected, are given in Journal 

 of the Royal Dublin Society, 1859, vol. ii, pp. 161-175.] 



1837. 



Total acquisitions 147,* including : 



A collection of rock-specimens from India (chiefly from the 

 Nilgiri Hills) : presented by Dr. P. M. Benza. 



About forty specimens of serpentines, dolerites, etc., from the 

 shores of the Gulf of St. Lawrence, sent by Lieut. Bo wen, R.N. ; 

 presented by H.R.H. the Duke of Sussex. 



* The General Begister of new acquisitions for the Museum was begun 



