( X 9 X ) 
which the ancient Roman Augurs ufed in their Ce- 
remonies) and the Lituites ox Stone form’d in its 
Cavities under-ground. The Shell is yet unknown, 
but of the Stone he has given a curious Draught, as 
it appears in a Marbie which was brought from 
Oelandt , an Illand of Sweden. 
The lixth Chapter is of the Orthoceras and Or- 
thoceratites , or ftony Concretion . in its Cavity, 
Of thele laft Stones he produces nine different Spe- 
cies, which he diftinguiflies chiefly by the Pipe, or 
Canal, which runs through them. 
In his Note concerning the Belemnites Brujfici , 
of which he defcribes two Species, he takes notice 
that the ftony Cone, or Nucleus of it, is never found 
articulate, as in thole that come from Sweden, and 
forne other Countries. 
At the latter end of his Book hepropofes a metho- 
dical Diftribution of the Echini and Echinites , or 
Stones that are generated under Ground in the Ca- 
vities of the Echini. 
The whole Method he propofes for ranging Shells 
in general, may befeen in the following Table. 
f alula 
