Minerals. 367 



1845. 



Total acquisitions 93, including : 



A large specimen of beekite from Devonshire : presented by 

 the Marquess of Northampton. 



Mellite, a group of crystals on lignite from Thuringia : 

 presented by the Earl of Aylesford. 



A large crystal of apatite from Hammond, New York : 

 purchased. 



A group of pseudomorphous crystals (haytorite), from Haytor 

 mine, Dartmoor, Devonshire : purchased. 



1846. 



Total acquisitions 238, including : 



A group of pale flesh-red rhombohedra of chabazite (acadialite) 

 on the matrix, and a group of brick-red rhombohedra of chabazite 

 with stilbite in a rock-cavity ; both from Wasson's Bluff, Bay 

 of Fundy, Nova Scotia : presented by Mr. W. G. Lettsom. 



1847. 



Total acquisitions 333, including : 



An enormous group of large, colourless, prismatic crystals of 

 gypsum from Reinhardsbrunn, Gotha, Germany : presented by 

 H.R.H. the Prince Consort. 



About 100 specimens of amber from the Prussian coast, many 

 of them enclosing insects : purchased. 



A very pretty specimen of chalybite, pseudomorphous after 

 fluor, consisting of a hollow cube of chalybite, in the centre of 

 which is a mound of tarnished copper-pyrites surmounted by 

 divergent prisms of white quartz ; from Virtuous Lady mine, 

 Tavistock, Devonshire : purchased. 



1848. 



Total acquisitions 186, including: 



About 120 mineral specimens bequeathed by Mrs. Ann 

 Tattenall. 



1849. 



Total acquisitions 189, including : 



Calcite a large group of small, yellowish, acute rhom- 

 bohedra grouped in twin position ; from Bermuda : presented by 

 Mr. Thomas Baring. 



