540 WORMS. TESTACEA. 81. Helix. 



*Juricu- Shell imperforate ovate gibbous, with a depreiTion in the 

 Una, middle of the lip: fpire acute and very fjiort: aperture 



very much dilated. 

 Donovan s Brit. Shells, ii, tab. 51. fi<r.. 1. 

 Da Costa Brit, conch, tab. 6. Jig. 16. 



Pennant, iv. t t H6.fi. 138. Lifter exercanai. t. 2,/ 3, 4. 

 Lifter t. 12$. fi. 22. Anim. Aug. t. 2.fi. 23. 

 Bonan recr. tff .Mi//] £/*r£. 3. fig. 54. 

 G»tf&. /*/?. ta£. 5. F, G, Murray test. t. l.f. 4. 

 r Argen<v. conch, t. 2J.fi J. /. 28./. 22. zoom, t. Sofi, 6, 

 Bom. Mufi. Ctffi Find. ted. i. 16.fi. 20. 

 Qhemn. conch. 9. /. 135. y\ 124.1, 1242. 

 2. Schraet, Fluficonch. t. 6.fi. f. t J . f. II ? 

 Inhabits ponds of Europe: 2—1 5 lines' long. 

 «S^// vvhitifli yellow cinereous or brownifii, rarely ribbed : ivborn 

 3 — 5, the firft very \entricofe, the lail fmall and forming a 

 minme apex; finail white with cinereous dots and black eyes* 



*Latigata Shell with 2 whorls, the firft very ventricofe, the other very 

 minute and placed laterally. 

 Pennant Brit. Zool. iv p. 14. tab. S6.fiig. I 39. 

 Inhabits ponds of Europe. Shell pale red, pellucid, 



Balthica, Shell imperforate ovate pointed, with elevated wrinkles: 

 aperture ovate dilated. 

 Inhabits fhores of the Baltic. 

 Shell pellucid, with 4 whorls; finail black, with 2 tentacula. 



Ueritoidea. Shell imperforate convex and longitudinally ftriate, with an 

 umbilical cleft: aperture roundiih. 

 Inhabits Shell livid, with above 49 itrisc. 



Perfipicua. ] Shell imperforate convex ovate, without lip : aperture ex- 

 tending to the tip. " 

 Inhabits t\\& Mediterranean; between a Bulla and Henx. 

 Shell milk-white t-ranfparent and very brittle. 



Haliotoidea Shell imperforate depreffed, with waved ftrias : aperture 

 oval, open all the way down. 

 Adansfieneg. I, tab. 2' fig. 2. Rumpfi. mufi. tab. 4. R. 

 ■ Mull. Zool. Dan. $.t. \o\.f. I -4. 



Peiiv. Gaz. t. 1 z.fi. 4. Gualt. tefit. tab. 69. F. 

 Bonan. Mufi. Kirch. 3. fig. 404. 

 Argen-'J. conch, tab. 3. C. Klein, ofitr. t. -J.fi. 1 14. 

 Knorr Vergn. 4. t % lj.fi, 5. & 6. if; 39. f. 5. 

 Martini conch, i.t. \6.fi. 151-154. 

 2. GfrtW- rt^« JO. t. 165./, I598, I599. 



Inhabits 



