WORMS. TESTACEA. 8s. Dentalium. 6dr 
Politume Shell round, flightly curved, continued, with very crowd- 
ed anntdar ftriz. 
Rumpf. Muf. tab. Ait Mid 199: 722. 10. F. 
Martini conch. 1. 12b. 1. n 3. A 
Inhabits Indian and European {eis : 12 inch tene 
Shell polifhed, finely pointed; ‘milk-white, rarely rofy with white 
or green annular ftriz. 
Eburneuns Shell round, flightly curved, continued, with ¢emote rings. 
Iiis Yama: very much veremoles D: entalis. © 
Shell white, fmooth, polifhed, with numerous convex annular 
ftries. 
*Entaliss Shell round, flightly curved, continued, fniooth. 
Doncvan’s ae Shells. ii. tab. 48. 
Da Cofta Brit. Conch, 2, tab. 10. 
Pennant Brit, Zool. iv. tab. go. fig. 152. 
Borlafé Cornzwall, p. 276. tab. 28. fi §« 
Lister, tab. $47. f. 2. tab. 1056. f. 4. 
Argemu. conch. tab. 3. K. ta5.29. f. 2. 
Bonan recr. and Muf. Kirch, i: f. us, de 
Gualt. tef. tab. YO: E... Ginan, aar. tab, 1. f. 2. 
Knorr Vergn. Y. fab. 29. f. 4. Martin, 1. tet. f ty zi 
Inhabits Indian and European fhores: 15 inch long.- 
Shell white, reddifh or pale yellowifh, polifhed, with ftriz fo 
very minute as hardly to be vifible without the affiftance of 2 
glas... 
4rietinum. Shell round, curved, continued, fmooth, . 
Inhabits Scandinavia. Mull, Zool. Dan. prodr. 28535. 
Refembles the laft, but is more curved and hardly an eighth part 
as large. 
Corszums Shell round, flightly curved, interruptel opake. 
| Sebroet. Einl. in conch. 2. tab. 6. fig. 16 
Inhabits the African Occan ? 1% inch long. 
Shell fmooth, horny; yellowifh- brows with an obtufe rounded tip. 
Nebulofums Shell curved, very fmooth, white, with fulvous clouds and 
{pots 
Inhabits Sicily; refembles D, sista but is more curved, 
longer. and: thinner. 
Fellacidum, Shell horny, exiles ftraightifh, round; rae 
Schroet. Einl. in conch. 2. tab. 6. fig. 17. 
Inhabits the North fear: 2% inches long. * 
Shell horny or pale honey-colour, very: narrow and thin, riot 
esterveícing w ith acids, 
VOL.IV, — 4G Vitreum. 
