WORMS. ZOOPHYTA. 9o. Madrepora. 627 
Guett, Mem, 2. 5. 421. & 3. fa 509. fab. 47. f. 7. 
Knorr petrif. ii. 2, tab. Fev. fg. 1. 
Inhabits the Red Sea, often growing to other marine fubftances, 
white, folid, fubglobular or flattened, the ftars about a line in 
diameter. 
Tubularis, "Tubes cylindrical, very entire, a little prominent and ex- 
panded into an unequally radiate ftar. 
Walch Naturf. $. p. 48. n. 7. ! 
Found often foflile: tubes about the fize of a crow quill: Zar; 
with about 6 thicker gills, between each of which are 3 leffer 
ones. 
Mamillaris Stars orbicular, prominent, wart-like, excavated. 
Guett, Mem. 3. p. 514. tab. 54. fig. 3. 
Sebrat. Ein. in Verh. 3. tab. 6. f... 
Found foflile near Frankfort: {tars without border. 
Patelloides, Glabrous ; ftars large, many-rayed, a little elevated, with a 
minute centre. 
Guett. Mem. 3. pe 506, tab. 48, fig. 2-4. 
Buttn, Coral. fubt. p. 24. tab. 4. fig. 2. 
Knorr petrif. i, 2. tab. F, vi. fig. 4. 
Found foflile: ars with thick equal rays, often above 55. 
Globularis. Stars large, rounded, equally rayed, with a large perforated 
centre. 
Inhabits Kundm, rar. Nat. tab. 10. f. 7. 
Filum. Stars rounded, large, fomewhat crowded, with a very mi- 
nute hardly excavated centre, 
Scheuchz. litbogr. Helv. p. 36. t. n. 49. 
Found foffile near Bafle: itars 3—4 lines wide. 
Perforata. Stars crowded, minute, excavated, with perforated gills. 
Inhabits Walch Naturf, 5. p.54—58. 
Coral fometimes hemifphezrical and nearly a foot in diameter: 
Jflars 12-rayed. 
Vermicula- Stars with unequal undulate fmoeth rays. 
ris. Lang. lap. fig. Helv. p. 60. tab. 20. 
Bourg. petref. tab, 3. fig. 19. 
Volkm. filef« fubt. p. YYg« tab. 18. f. 4. 
Found foffile: fars 5 or 6 lines in diameter, with about § prin- 
cipal rays, fome of them forked; centre minute. 
*Arachna- Stars crowded, minute, flattened, with fubundulate fhort 
ides. equal rays. 
4K2 Plott 
