DEPARTMENT OF MINERALOGY. 93 



Artificially crystallized tnngstic oxide : hy Bigli Speed Steel 

 Alloys Ltd. 



Quartz psendomorphous after limonite, perforated with holes, 

 from Llandrindod Wells, Wales : hy J. Tunes, Esq. 



Wolframite from Lower Burma : hy Miss D. M. Jewett. 



Tremolite crystals in crystalline dolomite from Southern Nigeria : 

 hy A. E. Kitson, Esq. 



Bitumen in limestone from Sicily : hy C. C. Lacaita, Esq. 



A fine suite of 12 rich specimens of gold tellurides with native 

 gold from North Block, Oroya Brownhill mine, Boulder, Kalgoorlie, 

 Western Australia : hy the Directors, Lake View and Oroya 

 Exploration Ltd. 



Diamond, a small faceted stone, mauve coloured, showing 

 dichroism ; two faceted blue zircons : hy Dr. L. A. Lawrence. 



Zircon crystals isolated from monazite sand, from Travancore, 

 India : hy Prof. Henry L^ouis. 



Gold in quartz from Rio de Contas, Bahia, Brazil : by Joseph 

 Alawson, Esq. 



Chalybite (clay-ironstone) nodule from Westmoreland : hy 

 R. A. Metcalje-Gihson, Esq. 



Monazite sand from Bahia, Brazil : hy R. Tucker Pain, Esq. 



Idocrase with achtaragdite from Achtaragda River, Siberia : hy 

 Madame Maria Rings. 



Crystals of scheelite from South-West Africa : hy Dr. A. W. 

 Rogers. 



Fire-opal from Mexico, agate from Uruguay, quartz from 

 Madagascar, and malachite from North-Western Rhodesia : hy W. 

 Schmassmann, Esq. 



Calcite with fluor from Beith, Ayrshire : hy John Smith, Esq. 



Kyanite-garnet gravel from Zanzibar : hy Dr. Spurrier. 



Cut and polished section of malachite showing remarkable 

 regular concentric structure, probably from Bwana M'Kubwa, 

 North-Western Rhodesia : hy Dr. J. E. Stead, F.R.S. 



Twinned crystal of cerussite, encrusted with hemimorphite, from 

 Broken Hill, Rhodesia : hy Percy C. Tarhutt, Esq. 



Different varieties of sugar crystals : hy Messrs. TTenry Tate 8f 

 Sons, Ltd. 



Limonite from Elgin : hy W. Taylor, Esq. 



Garnet and chalcedony from Cumberland : hy Sir John Tweedy. 



Yukonite, from Yukon, Canada ; a new species described by the 

 donor : hy J. B. Tyrrell, Esq. 



Spencerite, a new species of zinc phosphate, from British 

 Columbia, described by the donor and named by him after 

 Mr. L. J. Spencer of the Mineral Department : hy Prof. T. L. 

 Walker. 



Almandine-garnet in biotite-gneiss from Southern Rhodesia : 

 hy Miss E. M. Whittaker. 



