Minerals. 375 



1871. 



Total acquisitions 509, including : 



Childrenite and several other mineral specimens : presented 

 by Mrs. Atkins from the collection of her father, Mr. J. G. 

 Children, F.R.S. 



Twenty specimens of Iceland spar : purchased. 



Amethyst, small hexagonal prisms, with trigonal terminations, 

 thickly covering the surface of the matrix; from Guanaxuato, 

 Mexico : purchased. 



Olivine a large faceted peridot, of a rich green colour : 

 purchased. 



A magnificent series of specimens of cuprite, in various forms, 

 from Cornwall : purchased. 



1872. 



Total acquisitions 529, including : 



Various Canadian minerals : presented by Prof. H. A. 

 Nicholson, F.R.S. 



A large mass of gold-quartz portion of a rich quartz-lode; 

 from San Rafael, Costa Rica : presented by the Monte del 

 Aquacata Mining Company. 



Large crystals of manganite on the matrix, with a little white 

 barytes, from Ilfeld, Harz : purchased. 



Fine crystals of epidote, from Knappenwand, Untersulz- 

 bachthal, Salzburg : purchased. 



1873. 



Total acquisitions 1080, including : 



The collection of mineral specimens which had been brought 

 together by Mr. Richard Bright [1754-1840], of Bristol, and 

 had been added to by his second son, Mr. Benjamin Heywood 

 Bright [1787-1843] : it was presented to the Museum by Mr. 

 Benjamin Bright [ ? -1900], only son of the latter. British 

 minerals, especially celestite, gothite, agate, &c., from the neigh- 

 bourhood of Bristol, are well represented ; of foreign minerals, 

 special mention may be made of red corundum from St. Gotthard, 

 and large crystals of idocrase from Egg, Norway. 



Various American minerals : by exchange. 



A very large, dodecahedral crystal of magnetite : purchased. 



Diamond crystals, isolated and in the matrix, with a series 

 of minerals found accompanying them, from the Diamond Fields 

 of South Africa : purchased. 



