539 WORMS. TESTACEA. 8r. Helix. 
Shell very thin fragile, yellow, with 2 or 3 whorls and repand 
rounded aperture: /nai/ white with cinereous dots and fur- 
nifhed with a gelatinous membrane covering the whole fhell. 
* Putri, Shell imperforate oudtitebu yellow, with 3 whorls: 
aperture ovate. 
Pennant Brit. Zool, iv. tab. 86. fig. 137. 
Lister t: 123. f. 23. dst ang. We zc fi ws 
Gualt, test. tad. 5. H. Klein offr. t. 3. f. 70. 
Argenv. conch. t. 27. n. 6. 1. 28. f. 5. 
Chemn. conch. 9. t. 138.7. 1248. 
Inhabits Europe in ponds: t--8 lines long. 
Shell very pcllucid thin fragile and membranaceous, with fine 
crowded ftrie within and without: the firft whorl very large, 
the 2 others minute: aperture not lipped: nail deep black, 
with 4 ventacula. 
data. Shell conic-pointed, white with a red band: aperture 
toothlefs. : 
Lifter tab. 19. fig. 14.. Gualt. teff. tab. 4. N. 
Chemn. conch. 9. t. 334. f- 1224. n. 1, 2. 
Inhabits Italy: 4 lines long. Shell with 7 whorls, and fome- 
times with z red bands on the larger whor! * aperture ovate. 
Papilla, Shell conic perforated, with rugged ftrie: aperture tranf- 
verfe, lip reflected. 
Chemn, conch. 9, tab. 122, fig. 1053, 1054: 
Inhabits 102 lines wide, She// varied with white and reddifh 
brown wrinkles: avhor/s about 6, and convex: aperture ovate- 
with a thick white lip. 
Minutas — Shell fubcylindrical, with an oval toothlefs aperture. 
Inhabits Greece; not a line long: refembles Turbo mufcorum, 
but is fhorter, thrice as narrow and pointed: avZer/s 5. 
Detrita. — Shell conic, white with tranfverfe rufous lines: aperture 
ovate. 
Gualt. tcfl. tab. $. N. Seba muf. 3. tab. 39. fig. 37* 
Chemn. conch 9. tab. 134. fig. 1225. a--d. 
Inhabits Saxony. Shelf 81 lines long, polifhed and obfoletely 
ftreaked, with 6 whorls; the lip a little refte&ed at the pillar. 
Ventricofa. Shell conic pale ftriate, with a toothlefs aperture. — — 
Inhabits Greece, 2 lines long: refembles H. trochus, but 1s more 
ventticofe : whorls 7, the 4 outmolt very nearly of equal 
width. :! 
* Obfcura- 
