SALOON. 
Nat. Hist. 
\L 
32 
(Case 20.) Prismatic and pyramidal modifica¬ 
tions of the same, among the former of which are 
the beautiful prismatic and dodecahedral varieties 
from the Hartz; among the latter, the voluminous 
crystals of the metastatic variety. 
(Case 21.) The same continued : also hemitro- 
pic or macled crystals, among which is the beau¬ 
tiful heart shaped made of the variety called, by 
Haiiy, analogique dtstanie .—This case also con¬ 
tains granular and compact limestone (marbles) ; 
massive magnesian limestone, called dolomite, 
and (contiguous to it, in the opposite case) the 
crystallized magnesian limestone, called bitter spar, 
in chlorite slate, &c.— Fibrous limestone, the finest 
variety of which is that from Cumberland, and 
Andrarum in Sweden, with pearly lustre, which 
has obtained the name of satin spar. 
(Case 22.) Various specimens of stalactical 
limestone, some varieties of which bear the name 
of alabaster in common with compact gypsum ; 
the peculiar variety called pea stone, from the 
hot springs of Carlsbad in Bohemia, and the 
white variety found in the bed of a small river 
near Tivoli, and known by the name of confetti 
di Tivoli.’— Calcareous tuf ; to which are added 
some casts of medals, made at the baths of San- 
Felippe in Tuscany, where moulds of medals, 
gems, &c. are placed in convenient situations to 
receive the calcareous deposition.—As a continua¬ 
tion of the compact limestone in the last case, we 
have 
