Creracza. Shell foueieliat umbilicated, fmooth, whitith 
tee brown. bands 5 whorls convex ; aperture lunated. 
“Height ten Thich, the hoe rather more than one 
in 
chefnut bands ; aperture mi- ;t 
nar 
fabsunbileted and thin, 
HE E BX. 
% Ge ~ Shell oe and » deat white Wwith 
| « 
Biach: — quarters of an inch ; 
poe fix. e {pecies inhabits the waters of Hamburgh, 
RIACEA. Shell cartilaginous, horny, pale yellow, £9 
ecllacid, and gibbous; {pire fimple, with circular ftriz 
bands about ch . 
mb 
allas. 
Inhabits the ce iflands. 
calcareous meen 
FUscEscENs. te ro Silda: res Aron * Shell deprefled ‘anc geeoly c 
» witha femi-lunar aperture. Sc  bilica 
- Colour i : A hits and Hu gasilacedn, often bazred A tor rela feces, found on the i leqves and branches of 
es, phabits Thuringia. trees in Sen 
as ce SES, Ris. Shell umbilicated, depreffed and abit, aie: " Shell pyramidal, white, sad Penge « with 
- / with fix rounded whorls, the third and fourth brown, the fix acute flattith margined whorls. -Favan 
ef reddifh at the tip ; aperture femi-lunar and fmooth. ie 
ee say Ra of Guinea j folid, with a fub-pyramidal {pire. 
RRESTRISs, Shell umbilicated, with an obtufely mu- 
‘fpire; the firft whorl very large, the reft gradually 
eee femi-lunar, and margined. Schroet. 
~ Dull f ef x whorls. 
- Nivea. "Shell Reaidet: umbilicated, thin, glofly -white ; 
aperture femi-lunar, Schroet. 
~ Refembles the laft, but i is more rounded. 
Rte ~ Mepta. Shell flat both fides, umbilicated, with fix 
ee ge round ; aperture fub-orbicular. Schroet. 
ee ae » fometimes barred with brown. Inhabits Ger- 
- Shell umbilicate, very thin, fat, polifhed, and 
e3 aperture femi-lunar an refle hroet 
ee ; fhell white, tellaceous, horay, ort ma gari 
aceous ; whorls five contiguou Z 
she 
and colour of a nut, the pillar lip a The Wille 
1¢ Southern ocean, 
2 Eee inflated, fub-umbilicated, fragile, with. 
five very large and fub-com preffed, the reft 
convex hecure femi-lunar. 
with ‘chefnut 
i via. Shell mbit’: obtufely fab py rata with 
- foe ones gris the firft with an elevated circle, the re 
h a groove ; aperture Sey a8 rs 
min ae Wickes; ; the Gountry un 
Levin. Shell um cal oblong, with {moth Suid 
w orb} icular, Schroet 
‘Shell umbilicated and pellucid, with 
sak 3 aperture orbicular and 
and is very rare; the fhell 
Tnahed, with a creft, ‘nd two 
Shell umbilicate, pellucid, horny, tranfverfely 
with fix paaially decreafing whorls, and 
ve 
Shales md ia a little _ 
: uae aperture trian. 
Seince, Switzerland, and Thurin- 
inch 5. w orls fix 5 aperture with 
w d. 
d inflated ; 
chroet, — slated 
Native of Barbary and fouthern Busine ; $ 
Cooxtana. Shell pyramidal, {moo 
with a convex saleefotied bafe. Che 
Inhabits the South Sea [flands. 
Bipentata. Shell pyramidal, and fub-carinated, banded 
and ade minutely ftriated with a two-toothed reflected lip... 
aland {pecies 
th white, and obtufe, 
tes 
Foul in the botanic garden ; at Strafburgh. » 
Turso. Shell een and fubicspéritiiite, varied with 
rellow and rufous. Chem 
Native of Coromandel. 
Tarirasctata. Shell conic-ovate, white with three brown 
ith bands on the firft whorl ; Aperture fringed with a dilated 
white lip. Lit. 
A land fpecies found in Toles ebar, 
BontTia. ee ll conic-ventricofe, perforated, ape do 
a fo ack op! ae whorl with three yellowifh bands ; 
on Shell very | bets, al of Bengal. 
Trocuoiwss. . Shel op-fhaped, perforated, plies, 
longitu dinally ftriated ; very, contrary, the a carinated 
ape a = pillar chefnut brown. Chem 
Nn aperture. 
Country u wn. 
Pouce ae ‘Shell ney aies, with three briftly whorls, 
and roundi ia 
pe 
ets his and the four fi r 
eet: the sikett of i Hanburgh; breadth fx Tine; detour M.. uls and the four ollow! ing are minute {pecies a 
r. Adams on the coaft of Pembrokefhire. 
is found in boggy ground. 
Fascratra. Shell fub-umbilicated, wiih hee ena 
ftri a —— the firit more ventricofe ; aperture 
H. tom 
Sines tehite; ene wank shires dark belts, the middle 
one broadeft.. Sands at Tenby. 
NITIDISSIMA. Shell umbilicated, 
finely ftriated tranfverfely. Linn Tra 
Horny, pellucid, with a brilliant glofs 
Bicotor. — Shell figh 2 weal weed and fmooth’ with 
two-whorls. 
Linn 
spittle the latt, aa {mooth, and not glolly 5 3 within 
‘with two whorls wey. 
nf 
TusuratTa. Shell with three longitudinally ftriated 
whorls, and a 1 margined tube at the bafe. n. Tranf. 
Probably not of this genus; the fhell is 5 hid to have 4 
fingular margined tube inftead of umbilicus extending beyon 
the furface at he fhell. 
MPULLACEA,. eo fomewhat umbilicated, my 
labrous, 
ar, and g¢ whorls more ventricofe above ; 
ha very” lege inte in eS >, eg ec nearly covered 
Raise fia and Americ 1 is from one to five 
inches in diameter, with the firit whor Rede 5. the fur- 
face polifhed, yellowifh or brown, with a few bands in gene 
the animal edible, 
The {pire covered with a 
