340 
PETRIFACTIONS. 109. Helmintholithus. 
Neritiuj. The Nerita. 
In Piedmont, Switzerland, Carinfhia, Mftria, Germany, kc. 
generally in limeftone, 
auricttlarit. The Halioiis or fea-ear. 
In Temeda and Belgium, 
1. The Haliotis perverfa, 
Martin, n. Mannigf, p. 404. tah. 1. Jig. 3, 
2. The Haliotis plicata. 
Schrect, einl, in Verft, 4. /. 278. tab. 3. fg. g. 
Patellaries, The Patellaria or limpet. 
In various parts of England, Switzerland, and Italj, 
1. The Patellar a faccharina. 
Conchidium, Muf. Telsin. go. tab. y. jig. 8. 
Common in various parts of Sweden. 
Dentalit, The Dentalium or tooth-fhell. 
In various parts of Italy, Switzerland, Germany, Bohemia, Sihdat 
and Saxony, in marble, jafper or chalcedony. 
1. The Dentalium Radnla. 
2. The Dentalium interruptum. 
3. The Dentalium vitream. 
All found in Piedmo.tt. 
4. The Dentalium fexangulare, 
Near Loretto in Italy, 
luhulites. The Serpula. 
I. Straight or nearly fo. 
In Germany and Belgium, 
2 Flexuous or contorted, Vermiculitet, 
In Malta, Italy, Switzerland, Germany, Franconia, and Belgiuntt 
in marble or fandftone, generally feated on other peliifist^ 
Ihclls. 
a. Tne Serpula Spirillum. 
In the ifland of Sheppey and Wirtemlurg. 
b. The Serpula fi'o/rana. 
Near Halam in May^deburg, rare. 
c. The Serpula glomerata. 
In Silejia and Switzerland. 
