158 ACCOUNTS, ETC. OF THE BKITISH MUSEUM. 



Exchanges. 



Exchanges of specimens have been made with Mr. W. F. 

 Ferrier, of Rossland, British Columbia; with Mr. W. M. 

 Foote, of Philadelphia ; and with His Excellency the President 

 of the Palatinate, through Dr. Neumayer. 



Acquisitions. 



1,511 specimens have been acquired during the year 1900, 

 namely : — 443 minerals, 1,058 rocks, and 10 meteorites. These 

 have been registered, numbered, labelled, and incorporated 

 with the collection. 



The more important of them are as follows : — 



Minerals. 



By Presentation : 



A collection of 100 representative Japanese minerals : by 

 Dr. T. Kochibe, Director of the Geological Survey of Japan. 



Blue Apatite, Sapphire and Ruby ; Ceylon : by Professor 

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



Calaverite crystals ; Cripple Creek District, Colorado, 

 U.S.A. : by Milton Moss, Esq. 



Cassiterite ; Perak : hj E. W. H. Thomson, Esq. 

 Florencite ; Diamantina, Brazil : by Dr. E. Hussak. 

 Fluor, zonal crystals on Granite ; St. Austell, Cornwall : 

 by J. Rees, Esq. 



Graphite in Pyroxene-Granulite ; Ragedara, Ceylon : by 

 A. K. Coomai-a-Swamy, Esq. 



Herschelite ; Melbourne, Victoria : by C. Barber, Esq. 



Marcasite and Polybasite ; Peru : by Bernard Hunt, Esq. 



Mariposite from California, and Wiikite from Finland : by 

 Dr. Henry Ward. 



Mirabilite ; Kirkby Thore, Westmoreland : by Dr. C. O. 

 Trechmann. 



Native Silver ; Mexico : by C. Rickards, Esq. 



Opal ; New South Wales : by Edgar Ring, Esq. 



Pearceite ; Montana, U.S.A. : by R. Pearce, Esq. 



Sulphur ; Rotoroa, New Zealand : by E. M. Alexander, Esq. 



Sylvanite and Coloradoite from Kalgoorlie, W. Australia ; 

 by the Directors of the Great Boulder Main Reef Co., 

 Kalgoorlie. 



