542 WORMS. TESTACEA. 8i. Helix. 
Mamorata, Shell marbled with white cinereous and blue, 
whorls round: the firfl twice as long as the reft> ’ 
flated in the middle and longitudinally ftriate : 
ture ovate. 
Schrtut . flufcovch. tah- 6 . Jig. p. 
Inhabits rivers of StraJfjurg, of aa inch long: ’whurls 5. 
Achatina, 
Liiguhris. 
Minimaf 
Inflata. 
Albicans. 
Repanda. 
Opaca. 
’Turgida. 
Shell chefnut pellucid thin, with an ovate aperture. 
Inhabits Schraetflufconch tab. (3. fig, 15. a, b. 
Refembles the lall, but is lefs and has only 4 narrower whon®' 
Shell ovate pointed pellucid, tranfverfely ftriate, 
with a black flein, under w'hich it is ochraceous ^ 
chefnut undulations : firft whorl twice as large 35 ‘ 
reft: aperture oblong ovate. 
Inhabits— flufeonch, tab. (>• fg. 13. * 
5 ^^//about 9 lines long, with 7 axshoris. 
Shell ovate conic fubimperforate ; aperture orbicular- 
laft whorls placed in the centre of the firft, 
Inhabits Schrxt flufeonch. tab. 7. fig. 18. 
S^e/Zobtufe, hardly i|- line long* 
Shell white folid opake, the firft: whorl twice as large 3 * * 
the reft: aperture large margined. ■ 
Inhabits the river Unflrut, Schra-t, flufeonch. tab. p.fig' 5 ’ 
Shell white opake pointed : aperture oval. 
Inhabits waters of Hamburg. Schrxt. flufeonch. t. 7. f. 6* 
Shell ovate pointed fubimperforate: firft whorl 
and larger than all the others: aperture femicircu'^^’^, 
Inhabits in ftagnant waters. Schrxt. flufeonch. tab, J.fi' 
Shell 6 or -j lines long. 
Shell ovate pointed folid whitifh opake: aperture 
oblong: firft whorl larger than the reft. 
Schrxt. flujconch. tab. j. fig. i •7. 
Inhabits aquatic* Shell with 5 whorls. 
Shell obtufe, with 4 diftant w-horls inflated in the 
aperture orbicular margined. 
Sschrxt. flufeonch. tab, 'll. fig. 7. a, b. 
Inhabits Shell z lines long. 
