WORMS. TESTACEA. 8i, Hehx. 
523 
Inhabits the /.uthern Ocean', fize and colour of a nut, with a 
white pillar-lip: probably a Nerita. 
Shell inflated fubumbilicate fragile, with 5 whorls, the firft 
very large and fubcomprefled the reft convex : aperture 
femilunar. 
lemuunar, , ^ , i- 
Inhabits rivers of Schraet . fiufcon^ t 5./. 3 S' 
Shell 6 lines wide, reddiih with a chdnut band. 
Shell umbilicate _obtufely fubpyramidal, _ with 4 convex 
whorls, the firlt with an elevated circle the relt lur- 
rounded with a groove: aperture femilunar. 
Inhabits —Schraet flufconch. tab,6. fig. to. A'W/ minute. 
Shell umbilicate oblong, with fmooth round whorls : aper- 
ture orbicular , , r ui .1, 1 a 
Inhabits Schrcstjlufconch.tab b.fg- M- refembles the lalt. 
’"‘•^^‘cuUrls Shell umbilicate pellucid, with 3 whorls divided by a groove: 
aperture orbicular and not margined. 
Schreri Jlufconch. iab. 6. fg. It . 
Inhabits waters of Sirafiurg & Puns : very rare. 
Shell very broad dulky : /nail with a crelt befides the 2 tentacula. 
Shell umbilicate deprePTed a little concave above, the firfl 
whorl villous flat: aperture triangular margined. 
Gualf, test. tab. z.fg. S' f' 5 3 ’ '6’ 
Martini Berl. Magaz. 2. tab, 3. pg- 37. 
Schreet Erdccnch, tah. z . . 
Inhabits France and Switzerland: j an inch wide. _ 
Shell_ with 6 whorls: aperture with a reddilh or vvnite margin 
within. 
'‘’’glda. 
Shell thin fragile white umbilicate, with fainter bands: 
firft whorl round inflated: aperture luborbicular and 
InhSts'^waS''of/W«r^. Sch^cet flufconch. tab. y./g. 28. 
6’W/^ofan inch wide, with 8 bands and 6 wnoils. 
Shell umbilicate pellucid horny tranfverfely ftriate and 
convex, with 6 gradually decrealmg whorls and lemi- 
luuar aperture. 
Inhabits— 'ichrat fm/coneh, tab. 5. pg' 3^' 
Shell 4 or 5 lines in diameter. 
3U2 
Coriaceai 
