DEPARTMENT OF MINERALOGY. 195 



Wiikite from Finland, and crystals of platinum formed by 

 sublimation in an electric furnace : by Sir William Crookes, 

 CM., F.R.S. 



Zinc-blende in ironstone nodule from Fairlight Cliffs, 

 Sussex : by Charles Dawson, Esq. 



Artificial spinel and fibrous silica from furnace slags : by 

 Allan B.^Dick, Esq. 



Quartz, two isolated twinned crystals (a rare form with the 

 primary rhombohedron as twin-plane), a number of untwinned 

 crystals of quartz, and crystals of andesine, from the Esterel 

 Mts., France : by Dr. Julien Drugman. 



Esmeraldaite from Esmeralda Co., Nevada: by Prof. 

 A. S. Eakle. 



Garnet in granite from Dartmoor : by H. Montagu Evans, 

 Esq. 



Magnetite from the diamond washings of Diamantina, 

 Brazil : by W. Feldenheimer, Esq. 



A series of 46 choice specimens specially selected from the 

 Walker Collection (see p. 194), including : — seven finely crystal- 

 lized chessylites from Chessy, France ; crystallized malachite, 

 and malachite pseudomorphous after chessylite and after 

 cuprite, from Chessy, France ; two groups of distinctly formed 

 crystals of native silver from Kongsberg, Norway ; a group of 

 large bright crystals of smaltite from Riechelsdorf, Hesse ; two 

 fine groups of pyrargyrite crystals from Andreasberg, Harz ; 

 pale green fluor-spar with topaz from Adun-Chalon, Siberia ; 

 hyalite from Waltsch, Bohemia ; topaz, a clear ])a]e brown 

 crj^stal, from Urulunga Mt., Siberia, and a group of lustrous 

 colourless crystals, many of them doubly terminated, from 

 Adun-Chalon, Siberia ; garnet (hessonite) with diopside from 

 Ala, Piedmont ; epidote, an isolated doubly-terminated crystal, 

 from Arendal, Norway ; two large twinned crystals of adularia 

 from St. Gotthard ; a clear yellow crystal of beryl from Adun- 

 Chalon, Siberia ; a pale-green crystal of euclase from Minas 

 Geraes ; tourmaline, a large black crystal with apatite, from 

 Bovey Tracey, Devonshire; pale yellow crystals of scheelite of 

 low pyramidal habit from Breitenbrunn, Saxony (the specimen 

 figured and described by A. Levy in 1826) ; crystallized 

 scorodite from Brazil and Saxony ; apatite with topaz from 

 St. Michael's Mount, Cornwall ; mimetite, a group of fine 

 yellow crystals, from Johanngeorgenstadt, Saxony ; galena 

 pseudomorphous after pyromorphite from Huelgoat, Brittany ; 

 also fine crystallized specimens of argentite, stephanite, cuprite, 

 haematite, cerussite, aurichalcite, diopsidcj idocrase, and 

 libethenite : by F. N. A. Fleischmann, Esq. 



In addition to the above : — duf renoysite, a fine large crystal 

 from Binn, Switzerland (figured and described in the 

 " Mineralogical Magazine," 1912, vol. xvi, p. 284); chessylite, 

 a large bright crystal with tsumebite, from Tsumeb, German 

 South-West Africa ; leucite crystals from Monte Albano, 



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