igS WORMS; TESTACEA. 58. Tcllba. 
Donovaiis Brit. Shells, ii. tab, 47. 
Pennant Brit. Zoel. iv, tab. t^g.jig, 32. 
IJJl. An. Angl. tab. ^.fig. 25, Conch, tab. iia./tv, 176. 
Born Mu/. Cms. Vind. tejl. tab. i.ftg. 14. 
Chemn. conch. 6. tab, 126. 
2. Entirely yvhite. Brit. Zool. iv. tab. i,c)./ig. 32. A. 
Inhabits Europe and American IJlands : its teeth refembles a 
^ dium, but has a Hope on one fide. 
Shell triangularly rounded ftnopth, whitilh with 2 obloJ ’2 
red fpots on the infidc. ' 
Donx/an’s Brit Shells. 1. tab. \<)./ig. 1. 
Chemn, conch. 6, tab. l^./ig. 12 J. 
2. Chemn. conch. 6. tab. t-^./ig. 132. a, b. 
Inhabits European and American Seas : hardly an inch broad , 
a few very faint traijfverfe ftriaj, generally whitifli on the 
fide ; the flexure or Hope is hardly diftinguilhable. 
Balthici. Shell roundilh fmootli, the putfide bloom colour, 
Chemn. conch. 6. tab. 13. ftg. 128. 
inhabits the Baltic: about cne fize of a horfe-bcan. 
Shell very thin fragile brittle, within whitifh. 
Pijiformis. Shell fubglobular fmooth, within carnation, obliquely 
ftriate, the itrias refledled into an acute angle on 
fore-part. 
Inhabits Europe, at the mouths of rivers : fize of a pea. 
Shell white with a purplilh top, rarely entirely white : the 
hardly vifible to the naked eye : primary tpoth of the 
funple, lateral ones a little prominent. 
Dfvaricata Shell fubglobular white, with oblique bifarlous ftrix*. 
i.tjier. tub. iox.fig. 142. Klein, oflr, t. 9./. 28, 
Bpnein, recr. 3. Jig. 349. Muf. kirch. z.f, 104. 
Ckemn. conch. 6. tab. X^./g. 129, I30. 
Inhabits the American and Mediterranean Seas i abont an 1 ®^, 
long; fometimes blueifli or cinereous, but generally wliit'^’,' 
frits very thin undulate and diverging both wajs; rr-tt’'!’’', 
crcnaie: fexure o: primary tooth of the hinge douLie, 1“'^'"^ 
ones o : is probably a Cardiuni. 
Digitaria. Shell fubglobular pale, furrounded with oblique imifor''' 
ftrix. ^ 
Qheinft. concha 6. iah. 1 20, 121, 
Inhabits the Mcditerranecn^ J?nericc{n and Indian Seas : 
pea and neaily an inch long; gcnmlJy fmooth, often 
