22 
ROOM VIII. 
Nat. Hist. 
CASS 
5. 
CASES 
6-9. 
{Shelf 5.) Fibrous limestone, Flos ferri ; 
stalactites from the grotto of Antiparos ; calca¬ 
reous incrustation onstaiks, &c; large rhomboidal 
fragment of double refracting spar^ &c. 
{Shelf 6.) Foliated and fibrous gypsum; 
selenite ; fluor spar, &c. 
{Shelves 1-3.) Large groupes of rock crystal; 
quartz druses ; nodules of calcedony, &c. 
{Shelf 4.) Hollow nodules of flint, coated 
ith quartz crystals ; a rounded pebble containing 
water ; pudding stones ; porphyry ; serpentine, 
{Shelf 5.) Large agate balls ; lafge pieces of 
rock crystal including substances, such as chlorite, 
rutile, &c. 
{Shelf 6.) Compact and lamellar barytes 
(cayk), &ic, ; mica (Russian glass). 
Empty. 
DERBYSHIRE MINERALS. 
case A collection of Derbyshire minerals, formed by 
10. Mr. White Watson, partly arranged according to 
the succession of strata in which they are found. 
{Shelf I.) Peat; argillaceous grit; clays. 
{Shelf 2.) Argillaceous ironstones, and ferru¬ 
ginous clays, with and without petrifactions. 
{Shelf 3.) Nodules of argillaceous ironstone : 
sept-aria-; several varieties of coal. 
i 
