392 Minerals 



1846. 



Total acquisitions 45, including : 



A collection of about forty specimens of schists and slates from 

 the Himalayas : presented by the Earl of Aylesford. 



1848. 



Total acquisitions 81, including: 



A collection of about fifty specimens of rocks and minerals 

 from north Australia : presented by Sir T. L. Mitchell. 



Nineteen specimens of rocks and minerals from Aden : pre- 

 sented by the Directors of the East India Company. 



1851. 



Total acquisitions 45, including : 



Rock-specimens collected by the Arctic Expedition of 

 H.M.S. Pioneer: presented by the Lords Commissioners of the 

 Admiralty. 



1855. 



Total acquisitions 139, including : 



Limestones, schists and slates from the mountain ranges of 

 western Persia, and of volcanic rocks from Lake Van, etc., 

 collected and presented by Mr. W. K. Loftus. [See Quart. 

 Journ. Geol Soc., 1851, vol. vii, p. 263; 1854, vol. x, p. 464; 

 and 1855, vol. xi, p. 247.] 



1868. 



Total acquisitions 356, including : 



A series of volcanic rocks of Scotland and the north of 

 England : purchased. 



1869. 



Total acquisitions 336, including : 



A series of basalts and phonolitic trachytes containing 

 riebeckite, collected by Dr. W. T. Blanford, F.R.S., during the 

 Abyssinian Expedition of 1868 under Sir Robert Napier; 

 presented by Dr. Blanford. [See Blanford, Observations on the 

 Geology and Zoology of Abyssinia, London, 1870 ; also G. T. Prior,. 

 Mineralogical Magazine, 1899, vol. xii, pp. 9295.] 



