Sio 



WORMS. TESTACEA. 81. Helix. 



Annulata* Shell umbilicate, a little deprefltd, white: whorls 4, the 

 firft gibbous and bicarinate. 

 Inhabits Schraet.fiufconch. tab, $.fig* 30* 



Shell 2 lines in diameter, with an ovate aperture. 



Rhenana. Shell umbilicate white, dep re (Ted above : whorls carinate, 

 with irregular flrise, the laft brown. 

 Inhabits the Rhine. Schrcet fiujcqnch. tab< 5. fig. 31. a, b. 



NaviaJ Shell a little deprefled umbilicate, white with longitudinal 

 black fpots above and 5 bands beneath.* 

 Inhabits Santa Cruz, Gualt. tefi, tab. 3.Q. 

 Chemn. conch. 9, tab. i^l-fig* 1207. 



Qorrugata. Shell umbilicate wrinkled, and obliquely ftriate, grey: aperJ 

 ture lunate, lip flefh-colour, reflected within. 

 Inhabits Jamaica. Lister conch, tab. 55. 

 Chemn. conch, cj,tab. 133. fig. 1208* 



Faba. 



Shell imperforate fmooth, faffron with brown margin and 

 bafe of the whorls: aperture blue. 

 Inhabits Otaheite. Mart, univ.concb. 2. tab. 69 



Crenata. Shell rounded brown: whorls carinate: aperture finuous. 

 Inhabits New Zealand. Mariynumnj. conch. 2, tab.6g. 



* Carinata. 



* Cornea. 



Shell ftriate carinate, with 3 whorls: aperture fuboval. 

 Adams. Micrtfc. p. 635. tab, 14. fig, 10. 

 Found in a frefh water itream near Faverfiiam : minute. 

 Shell pellucid, light brown. 



B. Umbilicate, the whorls rounded. 



Shell above umbilicate flat blackith, with 4 round whorls, 

 Donovan s Brit. Shells, tab. 39. fig. I « 

 Da Costa Brit. Conch, tab. 4 fig. 13. 

 Pennant. Brit. Zool. IV. tab, 125, 126. 

 Li/ler tab. 1 37. An. angl. tab. 2. fig. 26. 

 Lister exerc. anat. p. 59. tab. 2. fig. I — 4. 

 Peti-v. Ga2. tab. 2. fig,. 95, Gualt % test. tab. 4. D D- 

 Bonan. recr. 3.7%. 3 1 6. Mufi kirch. 3. fig. 312. 

 Sivammed. Bibl. nat. tab. 10. fig, 3, 4. 

 Argenv, conch, tab. 27. fig. 2. 8. Zoom. /, S.fi. J. 

 Seba muf. tab. Zty-fig- 17. Knorr Vergn* 5. t. 22.fi. 6, 

 Chemn. conch. 9. tab. 127. fig. 11 1 3 — 1 120. 



Inhabits 



