23 
(Shelf 4.) Varieties of sandstone ; breccias ; 
granite ; shales ; rotten stone, &c. 
( Shelves 5-6.) Several varieties of limestone, 
most of them with petrifactions, such as entro- 
chi - 5 cockles, &c.; several varieties of hornstone, 
or chert. 
(Shelf 1 .) Various vein materials: combina¬ 
tions of galena, limestone, barytes, blende, fluor 
spar, &c. ; breccias of limestone, hornstone, &c. 
(Shelf 2.) Vein materials ; various lime¬ 
stones with rake and flat veins composed of 
galena, blende, fluor spar, barytes, &c. ; slick- 
ensides of galena and of floor. 
(Shelf o.) Bitumens of various consistence. 
Separate and on limestone, on fluor spar, &c. ; 
elastic bitumens of several degrees of softness. 
(Shelf 4.) Marbles of various colours, with 
their natural fracture, and polished : white and 
variegated alabaster: efflorescent and other Va¬ 
rieties of selenite on limestone, &c. ; white and 
Coloured clays and porcelain earths. 
(Shelf 5.) Several varieties of compact lime¬ 
stone : shell and coralline marbles, polished and 
unpolished; porous limestone with siliceous shells, 
Called bur, used for hand-mills : tophus, Sic. 
(Shelf 6.) Hornstone, or chert of various 
kinds, separate and combined with limestone. 
(Shelf 1 .) A collection of stalactites and 
itohUi vnr. 
Nat. Hist, 
CASE 
1 i. 
CASE 
12 ® 
