50S 



WORMS. TESTACEA. 81. Helix, 



Vortex. Shell Hat thin, above concave; aperture oval flat* 



Donovan s R*it. n ells iii. uib. 75. 



Da iCita Brit, conch, p. 65. tab. 4. fg. 12, 



Pennant Pr:t. Zcol. i/. tab. V&$':fig\ 124. " 



Lister tab. 138. fig 43 Anim angl. t. 2. f. 28. 



Peti-v. Gaz. tab. 92. fig. 6. Gualt. rest. tab.^. G G. 



Klein ofir. tab. I* fig, 9, Mart. Be>L Mag. /. S.f. 19. 



Scbrai.fufconch. tab, $.fig. 16, 17. 



Ckcrnn, cdtkp. 9- ta£. 127. fig. I I 27. a, b. 



Inhabits ponds and avers of Europe. i~ — 4 lines wide. 



Shift wirh very minute franfverfe ftriae, yellow when it is empty ; 

 whorls 5 — 7, a little convex on one fide: aperture with a thin 

 acute margin. The inhabitant is rutbus with white tentacula, 



2, ^.«K- *> !}-*-*?■ f-y sty <-*j 



ire * 



Inhabits woods of Sweden, 



horny with fubferruginous bands. 



Gualteri- 

 ana. 



Shell imperforate depreded, with decufiate ftrias : aperture 

 acute each fide. 

 G*a// test. tab. 68. E. i?or// muf. Ca'f Find. tell, il 13*/. 12, 1$* 

 Cbi'mn. conch. $.J>. 237. W£#, 44.//^. A — C 

 Chemn. conch. 9. tab. izG.frg. J 100, not. 

 Schrajt* Einl. in conch. 2. tab. 4. fig, 2, 3. 

 Inhabits India; very rare. A land fpecies. 



She// dirty grey, beneath convex: aperture triangular caniculate, 

 with a white border. 



Tricarinata Shei 1 top-fhaped fubumbilicate acuminate, with convex 

 fpiral ftrias and triple ridge: aperture dilated. 



Inhabits— Chemn, conch. 9 tab. 126. fig. 1103, 11 04. 



Shell 11 lines wide, pale with' tranfverfe yellow {breaks and 

 obfolcte fpiral ftrire : whorls 5 : .aperture nearly circular; lip 

 white with an acute margin. 



Ijogno- Shell brownifh depreffed, the firft whorl round: aperture 

 mostomos. contracted, nearly triangular, 3-toothed and margined. 



Lister tab. 93 Klein, cjlr. tab, l.fig. 22. 

 Inhabits Virginia and A/face* She// nearly imperforate. 



Oculus 

 communis, 



Shell depreffed umbilicate: whorls contiguous, the firft very 

 large: aperture oblong-ovate, with a pale fulvous 

 border v. 7 it bin. 



Seba 



