92 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



and Mexico. Many of these are choice specimens, and their value is 

 enhanced by the detailed information on the accompanying labels as 

 to their exact locality and mode of occm-rence. Also a series of 

 specimens recently collected by the donor in Wales ; namely, 

 paracelsian, albite on quartz, and cerussite with dundasite, from 

 Carnarvonshire ; and fluor with blende, copper-pyrites, and calcite, 

 from Halkin mine, Flintshire ; large cubes of grey fluor from a new^ 

 occurrence in Stanhope Burn mine, Weardale, Co. Durham ; and 

 fine crystals of idocrase in matrix from Achtaragda River, Siberia : 

 hy F. N. Ashcroft, Esq. 



Crystallized corundum (ruby) artificially produced in the 

 extraction of chromium : by The British Thermit Co., Ltd. 



Witherite and barytes, from Virgin mine, Redmire, Yorks : hy 

 James Broadhead, Esq. 



Artificial forms of calcium carbonate from water-works : hy W. T. 

 Burgess, Esq. 



Stalactitic calcite from Mexico, and magnetite from Taberg, 

 Sweden (from the collection of the donor's husband, the late Colonel 

 G. Earl CJhurch) : hy Mrs. A. M. Church. 



Mica sand from Mauritius : hy Miss E. E. Clark. 



Percylite, two specimens from Chili (from the collection of the 

 donor's father, the late F. W. Crick) : hy G. C. Crick, Esq. 



Ankerite in coal from Lancashire ; phosphorite from Ocean 

 Island, South Pacific ; tourmaline, a large brown crystal from 

 Ceylon ; quartz, showing conchoidal fracture ; diatomite from Skye : 

 by T. Crook, Esq. 



Gold from North Wales, South Australia, Peru and Ashanti ; 

 11 crystals of diamond, one of them coloured by exposure to radium 

 emanations ; platinum from the Urals ; silver from Kongsberg, 

 Norway ; rhabdophane from Cornwall ; blende from the Pyrenees, a 

 portion of the original material in which gallium was discovered by 

 Lecoq de Boisbaudran in 1875 ; pitchblende and carnotite from 

 Colorado ; wulfenite from Arizona ; monazite sand from North 

 Carolina ; and various other specimens selected from the donor's 

 private collection : hy Sir William Crookes, O.M., F.R.S. 



Three crystals of diamond from Agua Suja, and crystals of 

 brookite from Arassuahy, Brazil : by David Draper, Esq. 



Pilolite from Gourdon, Kincardineshire : hy W. Duncan, Esq. 



Crystals of corundum from Namaqualand, South Africa : hy 

 H. C. Fowler, Esq. 



Zircon, corundum, and graphite, from Madagascar : hy Benjamin 

 Gallewski, Esq. 



Epidote, a fine polished slice (10 x 6 cm.) from a large, clear, 

 rich green crystal ; pyrrhotite collected by the donor at Carrock Fell 

 Mine, Cumberland ; two fine, large specimens of iridescent pyrites 

 from Wanlockhead, Dumfriesshire : hy the Rev. J. M. Gordon. 



Wavellite and beekite from Devonshire : by J. G. Hamling, Esq. 



Plumbogummite with cassiterite from Ninkada, Northern Nigeria : 

 hy R. T. Hancock, Esq. 



