Minerals. 379 



1881. 



Total acquisitions 259, including : 



A group of crystals of uranocircite, of a beautiful siskin-green 

 colour, on the matrix ; from Falkenstein, Saxony : presented by 

 Prof. A. H. Church, F.R.S. 



Crystals of xanthoconite, with clear crystals of proustite ; 

 from Mina Dolores I., Chaiiarcillo, Chili : purchased. 



A large group of sulphur crystals from Girgenti, Sicily : pur- 

 chased. 



Spodumene, a fine faceted " hiddenite," of a rich green colour : 

 purchased. 



A splendid group of large, transparent crystals of barytes, 

 from Przibram, Bohemia : purchased. 



Numerous crystals of tourmaline (rubellite) projecting from 

 the surface of a block of granite ; from San Piero, Elba : 

 purchased. 



1882. 



Total acquisitions 488, including : 



Leadhillite, hemimorphite, &c., from Leadhills and Wanlock- 

 head; amazon stone from Tongue, Sutherlandshire ; and other 

 minerals : presented by Mr. Patrick Dudgeon. 



Chlorargyrite, native silver, argentopyrite and other minerals, 

 from Chili : presented by Mr. F. A. Eck. 



Chlorargyrite, a large pure mass, from Florida mine, Taltal, 

 Atacama, Chili : presented by Mr. George Hicks. 



A large, colourless, transparent, doubly terminated crystal of 

 quartz, from Switzerland : presented by Mr. C. S. Bement. 



A splendid specimen of coralloidal aragonite (flos ferri) from 

 Eisenerz, Styria : purchased. 



An isolated crystal (a well-developed rhombic dodecahedron) 

 of lapis lazuli ; from Bokhara : purchased. 



A very fine, twinned crystal of copper-pyrites from Freiberg, 

 Saxony : purchased. 



1883. 



Total acquisitions 272, including : - 



A very fine crystal of pyrrhotite from Morro Velho, Minas 

 Geraes, Brazil : presented by Mr. F. Tendron. 



A very large crystal of colourless quartz from Madagascar : 

 purchased. 



A group of large, white crystals of adularia from Berg Scopi, 

 Graubiindten, Switzerland : purchased. 



