WORMS. TESTACEA. 8i. Helix; 525 
Shell umbilicate, with 3 briftly whorls and ronndifli aper- 
ture. 
7 ranfaa. Lin Sor. iii. p. zS 4 - minute,' 
Inhabits the Pembrokejhirt coaji, on bo£gy ground. 
% 
^“iafa 
Shell with 3 longitudinally ftriate whorls and a margined 
tube at the bafe. c . 
Adams Tranf -a. linn foc, lU. ps 67. tab. 1 3. hg. 35 , 
Inhabits the minute. ^ v-tUon. 
&bell with a fingular margined tube, in the pla,ce of ai) umbilic 
extending beyond the furfacc of the ihell. 
Shell fubumbilicate fmooth with 3 whorls, the firft more 
vtntricofe: aperture dilated. 
Adams PrasJ. Linn. foe. v. tah. \-fig. 20, 2I. 
Inhabits the fands at minute. r k 1, 
5/^e// pellucid white, the firft whorl with 3 tranfverfe belts of a 
rich marone colour, the middle belt broad, the lateral ones 
narrow. 
Shell umbilicate, with 2 >horls very 6nely ftriate tranf-. 
***• verfely. 
Adams Lisin. LranjaB. v.tab. l.flg. 22 24.. 
Ponnd. on Uno Femhrokejhire coast: minute. 
Shell corneous pellucid, with a brilliant glofs. 
^'^olor. Shell (lightly umbilicate fmooth, with 2 whorls. 
Tran/aa, Linn. fie. v.tab, y fig. 25—27. 
Found on the Pembrokejhire coast : minute. 
Refemhles the laft, but is pened.y Imooth and not giofiy, 
within white. 
Shell fubglobular umbilicate : paputh roiindifh with a thorny 
margin. 
Adams Microfeope. p. 636 tab. 14. It- 
Found near Fuwrjham ; very minute and rare, 
pellucid brown. 
Shell fubumbilicate reticulate, with a rounded margined 
mouth 
Adams Microfeope. p, 636. tab. > 2 . 
Found itRecuher: very rare and minute. 
Shell white pellucid. 
P. Rounded imperforate. 
Per'uttfa, 
