34 * 
PETRIFACTIONS. 109. Helmintholithas. 
3. The Madrepora Porpita. 
In Siuiizer/a^J, Auftria, Saxont, and WefiphaUa, eenerally 
detached, in marble, jafper and flint. 
4. The Madrepora Fungites. 
In the ^Netherlands, the Harz, Auftria, S’wilzerlfsnd, See. eene« 
rally in marble, rarely in ftiift. 
5. The Madrepora Pileus. 
In Gothland, Bohemia, Wirtemburg, and Switzerland, in marble, 
rarely in ejuarrz. ' 
6, The Madrepora Ag^rici.tes, 
In the Netherlands. 
7. The Madrepora labyri.ntbica. 
In Gothland, Belgium, and near the /alt fprings in AuBria, in 
liraeftone. 
fl. Th^ Madrepora Meandritcj. 
In Switzerland, moltly in marble, 
9. The Madrepora Areola, 
10. The Madrepora favofa. 
In Switzerland, Upper Auftria, Wirtemburg and Weftphalia, 
marmoreous. 
1 1. The Madrepora Ananas. 
In the mountains of Gothland, marmoreous, 
12. The Madrepora poiygama. 
Near the fait fprings in Upper Auftria, marmoreops. 
13. The Madrepora arenofa. 
In Upper Aujtria, marmoreous, 
14. The Madrepora foliofa. 
In the Netherlands. 
15. The Madr>*pora Aftroites. 
‘In Oxfordjhire near Heddington and Wittney, in the Netherlands, 
Germany, Aujiria, Saxony, &c. in chalk, chalcedony or 
fandftone. ‘ ■ 
. 16. The Madrepora calycularis. 
Near Keldenig on mount Danzberg, 
17. The Madrepora truncata. 
In Upper Auftria, marmoreous. 
18. The Madrepore ftcllaris. 
Near Herkeljtein in Eifalia. 
19. Madrepora Organum, SyB, not. 26, 
