21 
as it is sometimes erroneously called.—Basalt; ROOMVirt. 
with olivine, zeolite, calcareous spar, &c. — Nat. Hist. 
Wacke, variolite, (toadstone),—Amygdaloid, &c. 
Meteroric stones: one of those that were 
seen to fall from the atmosphere, with many 
others, at Aigle in France ; a fragment of one 
that fell at Siena; of another that fell at Wold 
Cottage, in Yorkshire, weighing 56 pounds ; and 
..a fragment of one that was seen falling in the 
East-Indies. 
VOLCANIC PRODUCTIONS. 
A collection of volcanic products, from Mounts cases 
Vesuvius, Somma, and AEtna ; vesicular, slag_ 1 & 
gv, glassy lavas, tuffas, with several other volca¬ 
nic ejections; leucites ; Vesuvians in a calcareo- 
micaceous substance, &c.—Pseudovolcanic rocks. 
Lav&s and other volcanic productions, in large case 
polished pieces. 
MISCELLANEOUS LARGE SPECIMENS OF MINERALS. 
(Shelves 1-3.) Various minerals, mostly of cask 
the limestone genus ,• shell marbles ; several mo- 4 * 
difications of crystallized carbonate of lime. 
(Shelf 4.) Limestone and marl .slate, with 
dendritical figures. Florentine marble. 
{Shelf 
