494 
WORMS. TESTACEA. So. Turbo, 
Shell generally white, fnmetimes mixed with brown, or 
with tranlverfe interrupted ferruginous rings, qS^ 
marked with dots or lines: ^vhorU with 12 — 16 ribs. “ 
this fhell was procured the violet dye of the ancients. 
P Tuber, 
culatus. 
Ambiguus, 
Shell dulky with 1 2 finely tuberculate whorls. 
On tile. Northumberland cBaH. Pennant, tab. 82. fig. * lH" 
Shell tapering perforated, with contiguous fmooth 
whorls. jjj, 
Inhabits the Mediterranean, and very much refemblesT. d*' 
except in being perforated : njohorU paie with z or 3 ^ 
nous lines ; the rios twice as many as in T. clathrus. 
Crexatus. Shell t.aper fubcancclJate, with contiguous ribbed 
crenale above. 5, 
Inhabits- MuJ". Lud.ulr, 655. fig, 353. refemhles T. 
Shell wKite, nearly an inch long; fpire with 8 whorls, tb^ 
rounded and in fome places o.blolete. 
Shell taper, with crowded longitudinal raifed ftria:. 
lnha.hits the Mediterranean. Oman. adr. tat>, b./ig. ga!' 
Shell lize ot a barley-corn, fnowj ; the llria: not membranai^.® 
Shell fubcancellate taper, with contiguous whorls an^ 
terrupted varicofc Celts. 
Inhabits the Mediterranean : lize of a barley-corn. gifi 
Shell white, the whorls furrounded with fmall membrars^^^^di 
ftrias, and convex callous wrinkles; aperture obovue i 
fubangular, 
vatf 
Uva. Shell ovate obtufc, with contlguouous whorls and 
longitudinal Itriae, 
litter tab. /‘g- 47 — 49- Pet. Gaz.t. zj f. z. 
Bonanrecr. and Muf. kireh. 3 fig. J40. 
Guall. test, tab 58. D. Selamuf. •^.tab. ^^.fg.zit 
Knorr V ergn, 6. tab. Z^.fig. 4 
Born Muf.Cefj Vind. test. p. '^^o. ntign- fig. z. 
Martini conch. 4. tab. l^z.fig. 1439. a, b. 
2 . Chemn comb. 9, tab. tl^-fig. 947. 
3. Lister tab. 40. Chemn. g. tab. 1 iz.fg. 936. 
Inhabits South .America: i| inch long. jJ 
Shell white cinereous or chefnut, uinbilicate, with ' 
whorls, the firft thrice as large as the next, the intert^^ 
grooves with equal ftrix: aperture i -toothed. 
Lafleus. 
Striatulus, 
