Miscellaneous Notices, §e. 33 
great deluge. Farthersouth and close tothe Black Harutsch, 
the calcareous hills, rising steep from the level desert, are so 
friable, that ‘ petrified conchs, snail-shells, fish, and other 
marine substances,’ may be taken out by the hand. ‘E found 
heads of fish,’ says Horneman, ‘that would be a full burthen 
for one man to car 
The sagen and last formation appears under its usual form 
red sand, accompanied by rock salt and gypsum, 
iheokied with beds of a calcareous breccia, cemented by 
magnesian limestone, and of compact dolomite. The drift 
sand is composed of extremely minute grains of red semi- 
transparent quartz. Mr. Buckland observes, that the fre- 
quent aime cen of salt 2 and of rock salt and gyp- 
sum, goes far to identify this sand of the deserts with the 
new ie in the ap Sc Rea 
i whichare compact, sonorous, and of a dark liver 
re having a shining iolished surface ; they are abun- 
dantly found among the sand. A narrow bed, entirely 
composed of tubular concretions of iron of similar origin, 
near the pass of Kenair, threw out irregular ramifications 
through the sand like the roots of trees, and presented at 
first sight the resemblance of lava. Most of the plains are 
with 
strewed | magnesian mnt or dolomite split into 
small laminated nana iy which break and rattle under the 
feet like pottery. Many other varieties of ms lime- 
magnesian 
stone and carbonates of lime are associated with the sand 
and sandstone of the hills and plains - this fess o: mis- 
erable cou ntry.” 
! . Notice of some fat at re in a letter to the ay dito: Ir. 
PS Hudson, N- ¥. Dees, 1820. 
ar, 
ees lately p Re: eee iad was stebucke 
i ioe nba oe ena limestone at 
Vou wedee 
