WORMS. TESTACEA. 81. Helix. 



533 



•Qfiona. Shell fubperforate tapering, with 3 whorls and roimdifh 

 aperture. 

 Pennant Brit. Zool. iv. tab. S6.fg. 135. 

 Gualt. teji. tab 6. BB. Schrcet.fiuJ conch, t. 8./. 6, a. 6. 

 2. Chemn. conch. 9. tab. 156. fig. 1264. 



Inhabits Ponds of Europe and America, hardly 4 lines long. 

 Shell glabrous, very brittle, horny, with fometimes 6 whorls 

 feparated by a very thin line, the *irit twice as large as the 

 next : umbilicus not yifible. 



Ten 



lera. 



Coli 



u.vna. 



Shell tapering convex ftriate, white with a few fulvous 



ftreaks: pillar finuate inflected. 

 Chemn. conch 9. tab. 120. fig. 1028 — 1030. 

 Inhabits Shell z\ inches long, thin pellucid, longitudinally 



ftreaked; whorls 7-8 with incumbent margins: aperture 



oyate-oblong. 



Shell tapering, white with a fulvous tip and fpotted con- 

 trary whorls: aperture oblong. 



Liftfr tab. 38, 39. Bonan. Muf. Kirch. 3./%. 400. 



Favann. conch tab. 61. Jig. H. 2. H. 13. 



Chemn. conch. 9. /. 112 y^. 954* 955* 



Inhabits— — 275- lines long. Shell pellucid, of the colour and 

 fplendor of Alum, appearing as if radiate with fulvous fpots: 

 whorls 7 or 8, gibbous each iide, longitudinally and fpirally 

 ftriate, the fourth, fifth and fixth fulvous with white upper- 

 margin : aperture with pellucid fpots, not margined, the in- 

 terior margin fulvous. 



Fella. Shell imperforate ovate pointed tranfverfely ftriate, brown 

 with yellow bands. 

 Inhabks Iceland. Mull. Zool. Dan.prodr. 2916. 

 Shell rufty-brown, decumbent, ovate-oblong, fize of a feed of 

 grom well, the band on the firft whorl double, on the red iingle: 

 aperture fe m i - o v ate . 



Flicaria. 



Vndulata» 



Shell fubulate femipellucid and longitudinally plaited : 

 whorls round : aperture ovate. 

 Born muf, C<ef. Find. ted. tab. 16. fig. 4. 

 Inhabits Shell with 10 whorls. 



/\ 



Shell fubulate fmooth, very finely ftriate tranfverfely: whorls 

 round : aperture ovate. 

 Born Muf. Cczj. Find. test. tab. l6.fg. 15. 



Inhabits Shell pale, with longitudinal chefnut undulations; 



whorls about 1 2 : pillar glabrous. 



Fufcata, 



