PETRIFACTIONS, rog. HelinFntSofitfiiisi. 
^ 3 ^ 
3. The Myiflus Frons. 
Near Chriflia’ifladt in Sv-eJett, m Belgium^ Normandfr Maf^r 
' &e. in marhi'e, And or flint. 
4. The Mytilu-f margarit ferus. 
Heimintholithns Andtodamas, Spf. nat. xii. j, p\ *6j. 
Penna Pavonis. Muf. 7 e£tn. 24, n. z. 
Near AriHorf in ^’u)itii;rtand, opakc, but admitting a moil beaS' 
tifui poliih, and exhibiting the raoft fplcndid' irideicent eo- 
louts aecording 10 its pofitioti in the light, 
5. The lyiytilns Unguis, 
Near Gojlar m the Harz, in clay', 
6. The Mvtiiu's lirhophagus. 
Near 'Jhalheim in Wiriemburg, 
J. The Mytilps rugofus. 
Near y^aring in Auftriat marmoreosst 
8. The Mytilus edulis. 
I’d Piedmont, Wirtemburg, eiuliria, Bohemia, Saxony, S:c, geste' 
rally hxed and calcareous, fometiraes ferruginous or i» tand- 
ildne, 
9. The Mytilus angulatus, 
I Near Leipjic in Saxony, matmoreonff. 
10. The Mytilus Modiolus. 
In various pasts of Germany, fixed and Jsiarrooreoois, 
11. The Mytilus cygtieus. 
Near Thalheim in IVrrtemburg, large, 
12. The Mytilus anatinus. 
Near Thalheim in ffi'intemburg, nrarmoreons, 
' »3* The Mytilus rubes. 
In Siuiitzerland in ftiift, and Saxony in fandHone, 
pinnitetm I’he Pinna, 
In Piedmont, nezr Arijiorfva Stvitzerland, in Franconia, 
near Pirnam and Dre/den 'm Saxony. 
