Tydvil (No. 24). The large prism of Barytes from Alston Moor 

 (No. 61); the dark coloured crystals from the United Mines, 

 Gwennap (81, 82, 83); the beautiful yellowish tables from Huel 

 Wrey (63) ; and the large reddish mass from Devonshire (No. 84), 

 are all worthy of notice ; so are the brilliant crystals of Celestine 

 from Clifton Downs, near Bristol, and the series of Calcite crystals 

 which occupies the remainder of the case. 



Case II contains some fine examples of Staladitic Calcite, a 

 large slab of the so-called " Ruin Marble," from Gotham, near 

 Bristol, which fairly simulates a landscape ; and a series of speci- 

 mens of Dolomite and Gypsum. 



Case III is occupied on one side chiefly with the collection of 

 Fluor specimens, among which Nos. 281, 282, and 299 are par- 

 ticularly conspicuous for their size and beauty. The other side of 

 this case is occupied with a portion of the Quartz collection, 

 among which will be noticed the fine Rock Crystal from Tintagel 

 (No. 371) ; the rich purple Ajnethyst crystals (No. 410) ; the beau- 

 tiful pink crystal group (No. 419) ; the large detached Cairngorm 

 crystal (No. 422) ; and the curious series of " Geodes " (Nos. 431, 

 439-) 



Case IV contains some small but very beautiful Jaspers and 

 Agates. Here, too, will be noticed some fine Cornish specimens 

 of Chalcedony. The western side contains specimens of Opal and 

 Semiopal from St. Just ; Cornish and other Topazes ; the collection 

 of tourmalines, &c. Among these latter, the fine black Tourmalines 

 from Dartmoor (Nos. 635, 636, 637) ; and the A c/zroite from near 

 St. Austell (No. 647), are especially interesting. 



Case V. — This contains the series of Felspars, Micas, Horn- 

 blendes, Augites, and Garnets. The Adularia from Tintagel cliffs 

 (No. 674) ; the fine Leucites from Vesuvius ; the very beautiful 

 specimen of Amianthus (No. 813) ; the Mountain Leather (No. 

 809) ; the Mountain Cork (No. 811) ; and the new mineral 2?///^;'- 

 thite (No. 1246), are all worthy of notice ; so also are the numerous 

 Cornish specimens of Garnet in the same case. 



Case VI. — The first half of this case contains an interesting 

 collection of Zeolites, and a series of specimens of Serpentine, 

 Steatite, and various forms of clay, among which will be found 



