WORMS. TESTACEA. 86 Serputa'. 
'■607 
Manf.feneg. l. p. ■^^ 6 . tab. 
Inhabits jifrica : 8—9 inches long. 
^kell whitilh, fmgularly twiaed, fuburabilicatc, within glabrous. 
hmdilu- Shell round, white, tranfverfely ftriate and thrice twilled, 
the firft bend appearing as if compofed of 5 funnels 
placed in each other. 
Martini Befch. Berl. Naturf, 2. tah. 12. €g. 1 . 
Inhabits the hiMaa Ocean, fixed to ftones. 
h 
■yeatnida- 
Shell cinereous, above convex, beneath flat, pyramidal an<i 
many times twilled, the bends decreafing inwardly. 
%ptngler Befch. 'Naturf. 2. tah. 9. h. fig. 3 ~'S. 
Spengler Calal. raif tab. 5. fig. 12 — 17. 
Inhabits the Indian fea, adhering to teftaceous fitbftances, about 
an inch long ; open at the. narrower end, fometimes ftraightilh 
or a little bent. 
^tnticulata Shell white, round, fubulate, ftraight, toothed at the fides, 
with a longitudinal glabrous rib in the middle; the tip 
a little incurved, glabrous. 
^chrat. Einl. in conih. 2. tab. i>.f. 1 8. 
Found in the Lepa$ tintinnabalum : ^ of an inch long. 
^^ditenfii. Shell roundilh, twilled, umbilicate, with decuflate ftrise 
and longitudinal nodulous ribs, within fmooth with 
numerous divifions. 
Schroet. Einl. in conrh. 2. tab. 6. f. ig. 
Found foffile in Malta. The 2 firft bends placed o-n each other. 
• 
^’“r^eglca. Shell round, fmooth, incurved, with a nearly obfoletc un- 
dulate bafe: mouth obliquely truncate. 
Inhabits Noi-may. AO. Nidr. 4, tab. 2. f. 1 1—13. 
^'»’eeaa. Shell round, fmooth, polilhed, afeending in a flexuous 
manner from the fpiral bafe. \ 
Inhabits North fieas. Mull, Zool. Dan, prodr. 2860. 
Shell refembling S. fpiriUus, but is whiter, pellucid and not 
rugged : inhabitant fliort, with a red back and paler fides. 
^'tfea. Shell round, regular, fpiral, orbicular, pellucid, Ihining, 
wrinkled, with a thickened aperture. 
O. Fabr. fn Groenl ^, 582. n. 578. 
Inhabits Greenland fcas, on Sertulariae, Fuci, ftones and other 
marine fubftanccs ; rcfembles S. gtomerata : Jhell thick, umbi- 
licate, not a line in diameter, fometimes reddilh. 
Cancellatal 
