Birostris. 
Speltas 
WORMS. TESTACEA. 74. Bulla. 349 
Inhabits Zamaica and is exceedingly rare. 
Shell thin, fubglobular in the middle. tranfverfely ttriate, white 
or yellowifh afh : the beaks are fometimes a little curved, 
Shell 2-beaked, the margin thickened outwardly: beaks 
long fmooth. 
Lister conch. tab. 711. fig. 66. 
Knorr Vergn. 6. tab. 20. fig. 5. 
Inhabits Fava: refembles the laft but is much fmaller, hardly 
as large as a bean, and the middle not fo much inflated: hell 
{mooth, whitifh flefh-colour with equal beaks obliquely trun- 
cate, one of them a little afcending: aperture nearly equal, 
but broades towards the beak, : 
Shell oblong, rather obtufe at both ends, equal; lip arched, 
the margin thickened within. 
Lifer. tab. 712. fig. 68. Gualt, test, tab. 15, fig. 4. 
Pet. Gaz. tab. 66. fig. 1—3. 
Ginann adr. 2. tab. 13. fig. 95. ° 
Barrel. 1c. 31, 32, 35. 
Martini conch. Y. tab, 25. fig. 215, 216, 
Inhabits the Mediterranean and Zdriatic.. 
Shell white fmooth, about twice the fize of a grain of wheat, 
flightly beaked, without external fpire: aperture longitudinal 
lunate, with a {mall obfolete tooth at the tip of the pillar. 
Ferrucofa, Shell tranfverfely angular ovate, with a bony dot each fide. 
Gibbofa. 
Lifer. tab. 712. fig. 67. Leffer tefl. fig. 24. 
Pet. Gaz. tab. 99. fig. 2. Amb. ag. t. 16, f. 22, 23. 
Rumpf. Muf. tab. 38. H. Gualt. test. tab, 16, F. 
Argenv. conch. tab, 38. M. 
Seba Muf. 3. tab. $5. fig- 17. 
Knorr Vergn* 4. tab. 26. fig. 7. - 
Martini conch, 1. tab. 23. fig. 220, 221. 
Inhabits Z;dia: refembles a Cy prza. 
Shell white with reddifh extremities, oval. 
~ 
Shell angular with an elevated belt. 
Lifter. tab. 711. fig. 64. Argenv. conch, tab. 18. Q. 
Column. Purp. tab, 30. fig. 5. 
Pet, Gax. tab. 15. fig. 5. Lefer test. fig. 25. 
Bonan. recr. and Muf. Kirch. 3. fig. 249-339. 
Seba riuf. 3. tab. 55. fig. 18. In 
Mw. Gottwald. tab. 8. fig. 46, a, 
Knorr Vergn. 3. tab. 14. fig. 3, 4 and 6. f. 32. f. 4. 
Martini conch. Y. tab. 22. fig’ 211—214. 
Inhabits Brafl. Shell long narrow white or tinged with a bloom. 
colour: aperture ftraight, : 
Naucum, 
b ~ 
