Illandica: 
Affinis. 
Corona, 
Radulag 
Cornea. 
WORMS, TESTACEA. 81. Helix. 549 
Shell globular fubacute and rather thick: whorls 4, fepara- 
ted by very deep grooves. 
Inhabits North feas: probably not of this tribe. 
Shell globular rather thick, with a fubmucronate fpire and 
whorls. 
Zorn. Naturf, 7. tab. 2. fig. B. 1. B. 2. 
Inhabits New Zealand, and is probably a Trochus. 
Shell ochraceous tipt with orange, aperture a little filvery, 
D. Imperforate, with the lips toothlefs. 
Whorls of the {pire crowned with fpines. 
Rumpf. muf. tab. 22. O. Argenv. conch. t. 7. f. 2. 
Petiv, amb. tab. 3. fig. 4. Fuvann. conch, tab. 61. D. 7, 
Mart. Berl. Mag. 4. t. 8. f. 30. 
Walch, Naturf. 4. tab. Y. fig. 1. 
Chemn. conch. 9g. £. 124. f- 1083, 1084. 
Inhabits Inga and America: minute. 
Shell iometimes blackifh with longer or fhorter fpines, thinly 
« ftriate: firft whorl of the fire large, the reft convex. 
Shell grooved, with equal tubercles. 
Rumpf, muf. tab. 22. M. Gualt, test. tab, 64. 1? 
Seba Muf. 3. tab. 41. fig. 18,19. 
Born Muf. Caf, Vind. te. t. 12. f. 7. 8. 
Chemn. conch. 5. tab, 190, fig. 1946, 1947. 
Inhabit: the Izzzaz [lands : fize of a Walnut. 
Shell thin pellucid, white or cinereous, with tube:culate ribs and 
{lriate grooves: /pire prominent acute. 
Shell obfoletely ftriate. 
Inhabits the Red Sea. Argenv. conch. tab. 7. M ? 
Shell fragile, brown white or pale violet with longitudinal white 
or teftaceous bands, fometimes marked with a longitudinal 
white band. ^ 
*Fluviati- Shell rugged, {potted (treaked or reticulate. 
i25, 
Donovan's Brit. fhells. tab. 16. fig. 2. 
Pennant Brit. Zool. iv. t. 87. f 142. 
Lifer t.141.f. 38. Anim angl. t. 2. f. 20. 
Gualt. te? tab. 4, L.. Geve conch. t. 24. f. 258—265. 
Avgenv. conch. t. 27. f. 3. opm. t. 8. fo ge 
Sivamm, Bibl. nat. tab. Yo. fig. 2. 
Chemn. conch. 9. t. 124. f. 1088. a—c, 
2.- Lister conch, t. 607. f-.43. * 
*. 
3- Chemmns 
