PETRIFACTIONS. 109. Helmintholithus. 
339 
d. The Turbo marmoratu'. 
Near 7halheim and Boll in Wirtemburg. 
e. The Turbo farmaticus and argyroftomus. 
Near Bfullingen in Wirtemburg* 
2 . Cancellite. 
a. The Turbo fcalarjs. 
Found in Switzerland on mount Hexenburg, rare. 
b. The Turbo ftriatulus. 
Near Schemniz in Hungary, inarmoreous. 
3 . With an elongated fpire. 
In EnHanJ, France, Switzerland, Italy, Silejia, Bohemia, Sax- 
ony, Germany, &c. aggregate and fixed, generally in marble, 
flint, chalcedon or fandttone, and fjmetimcs filled with ipar. 
a. The Turbo imbricatus. 
In France, Tfrol, and Bohemia, in marble or fwineftone. 
b. The Turbo replicatns. 
In France, marriioreous. 
c. The Turbo acutangulus. 
" Near Palermo in Sicily, in marl. 
d. The Turbo exoletufi 
In Piedmont, in marble. 
e. The Turbo Terebra. 
In Baojaria, in marble. 
f. The T urbo variegatus. 
Hzit Blankenburg in the Harz, m marble. 
The Helix or fiiail-fliell. 
I. Flattened. 
In various parts of England, Belgium, Switzerland, Hungary, 
Germany, Sec. detached or fixed, folitary or gregarious or 
mixed, in marble, flint or landflone. 
Near” in the Venetian territories, in Piedmont, Switzerland, 
and Germany. 
a Ovate with a point. , 
■ In England, France, Germany, Switzerland, Auftria, Bohemta, 
Saxony, &c. in marble or ftndftone. ‘ 
U U 2 
