£5 
(Shelf 2.) Vein materials; various limestones 
with rake and flat veins composed of galena, 
blende, fluor spar, barytes, &c. ; slickensides of 
galena and of fluor. 
(Shelf 3,) Bitumens of various consistence, 
separate and on limestones, on fluor spar, &c. 5 
elastic bitumens of several degress of softness. 
(Shelf 4.) Marbles of various colours, with 
their natural fracture, and polished : white and 
variegated alabaster ; efflorescent and other varie¬ 
ties of selenite on limestone, &c.; white and 
coloured clays and porcelain earths. 
(Shelf 5 .) Several varieties of compact lime¬ 
stone : shell and coraline marbles, polished and 
unpolished; porous limestone with siliceous shells, 
called burr, used for hand-mills : tophus, &c. 
(Shelf 6.) Horn stone, or chert of various 
kinds, separate and combined with limestone. 
(Shelf 1.) A collection of stalactites and wa- 
tricles formed in limestone caverns, some cut and 
polished ; calcareous incrustations, &c. 
( Shelves 2-3.) Calcareous spar in various 
forms of crystallization. 
( Shelf 4.) Several varieties of amethystine 
fluor spar ; most of the pieces cut and polished. 
(Shelf 5.) Topazine and other varieties of 
fluor spar, with barytes, blende, iron pyrites, 
&e 0 , mostly cut and polished. 
I 2 
ROOM VIII. 
N*t. Hist. 
CASS 
12 . 
(Shelf 
