370 Minerals. 



1859. 



Total acquisitions 3185, including : 



A magnificent group of white and colourless, lamellar crystals 

 of cerussite, many of them twinned ; from Logylas mine, 

 Aberystwith, Cardiganshire : presented by Mr. J. Taylor, F.R.S. 



Orthite from Hittero : presented by Mr. R. P. Greg. 



Brilliant twinned crystals of bournonite on crystals of 

 quartz, a large specimen ; from Herodsfoot mine, Liskeard, 

 Cornwall : purchased. 



A large series of crystals, 2624 in number, brought together 

 by Dr. A. Krantz [1809-1872] of Berlin and (after 1850) 

 Bonn ; it contained specimens of very rare minerals such as 

 euclase and wagnerite, and was rich in series of felspars, hemi- 

 morphite, augite, chrysolite, beryl, phenakite, sapphire, zircon : 

 purchased. 



1860. 



Total acquisitions 9944, including : 



An extensive series of beautifully crystallised zeolites (apo- 

 phyllite, stilbite, scolecite, &c.), frequently aggregated together 

 to form very large groups ; from the railway cuttings in the 

 Syhadree Mountains, Bombay : presented in 1860 and 1861 

 by Mr. James Berkley, Chief Engineer of the Great Indian 

 Peninsula Railway. 



Sloanite, larderellite, caporcianite, and other minerals from 

 Italy : presented by Cavaliere Sloane. 



The Allan-Greg Collection, consisting of about 9000 speci- 

 mens : purchased. Its formation had been begun by Mr. Thomas 

 Allan, F.R.S. [1777-1833], of Edinburgh, and it included a set of 

 Greenland minerals, brought together by Mr. Charles Giesecke 

 during seven years' residence in that country ; some of the 

 Greenland specimens were purchased about the year 1808. 

 In the enrichment of the collection and in its arrangement 

 Mr. Allan was much assisted by Dr. (afterwards Prof.) Wilhelm 

 von Haidinger, more especially while the latter was resident 

 in Edinburgh [1823-1826]; much of the material referred 

 to in Haidinger's earlier papers belonged to the Allan Collec- 

 tion. After Mr. Allan's death the collection was purchased 

 by Mr. R. H. Greg ; and, still later, it was added to by his son, 

 Mr. Robert P. Greg, then of Norclifie Hall, near Manchester. 

 The chief value of the collection to the British Museum consisted 



