WORMS. TESTACEA. 8i. Helix. 
549 
Shell globular fubacute and rather thick : whorls 4, fepara- 
ted by very deep grooves. 
Inhabits North fias; probably no: of this tribe. 
Shell globular rather thick, with a fubmucronate fpire and 
2 whorls. 
Zorn. Naturf, 7. tai. ?. B, I . B. 2. 
Inhabits New Zealand, and is probably a Trochus. 
^bell ochraccQus tipt with orange, aperture a little filvery. 
B- Imperforate, with the lips tqothlefs. 
Whorls of the fpire crowned wdth fpines. 
Rumpf. muf. tab. 22 O. Argent}, conch, t. y.y. 2. 
Petto}, anib. tab. i-ftg. 4. Fayam. conch, tab. 61. D. 
Mart. Berl. Mag. 4. t. 8. f. 30. 
Walch. Naturf. 4. tab. t. fig I . 
Chemn. conch 9./. 1083,1084. 
inhabits India zadt America-, minute. 
'^hell lometimes' blackifh with longer 07 Ihorter fpines, thinly 
llriate : firll whorl of the fpire large, the reft convex. 
'“tliiL. 
* Shell grooved, with equal tubercles. 
Rumpf. muf, tab. 22 M. Gualt, test. tab. 64. I? 
Seba Muf. 3. tab. 41. fig. 18, 19. 
Born Mufi Caf. Vind. teff. t. ty.f. 7. 8. 
Chemn. conch. 5. tab. t^O.fig. 194^' * 947 * 
Inhabitf the Indian IJlands : fize of a Walnut. 
thin pcllncid, white or cinereous, with tuberculate ribs and 
llriate grooves fpire prominent acute. 
' Shell obfoletely llriate. 
Inhabits the Red Sea. Argent), conch, tab. 7. M ? 
fragile, brown white or pale violet with longitudinal white 
or tcftaceous bands, fometimes marked vyith a longitudinal 
white band. 
Shell rugged, fpotted llreaked or reticulate. 
Donovans Brit. Jhclls. tab. 16. fg. 2. 
Pennant Brit. Zool. iv. t, 87. f 142. 
Lifer t. 141-/. 38. Antm angl. t. 2.f. so. 
Gualt. tefi. tab.if.h. Geve conch, t 2\.f. 258 — 265. 
Argenv. conch. 1 . 27. f. 3 * ccoom. t. 8 f, 3. 
Swamm. Bibl, nat tab. to. fig. 2. 
Chemn. conch. C). t. 124./! 1088. a — C, 
2, Lister conch, t. 6 oj.fi. 43. 
3. Chemn, 
