WORMS. TESTACEA. 84. Patella. 



567 



Ovata, Shell toothed, oval, compreflb-conic, ribbed, white, brown 

 between the ribs, within brown with white grooves. 



Inhabits Helbling abh. Bohem. 4« /«£, \. fig. 9, 10. 



Shelly lines long, 6 broad, with about 40 unequal ribs, 



Stellata. Shell angular, ovate, deprefled, with 10 elevated rays, and. 

 fhorter intermediate ribs. 



Inhabits— ? helbling abh. Bohem. $. tab. 1. f. 11. 



Shell 8 lines long, 6 broad, thin, brown with white rib?, within 

 fnowy with a brown bottom. 



Islandica, Shell folid, ovate, gibbous, unequally ribbed, within glab- 

 rous, with alternate cinereous and horny rays : >mar- 

 gin crenate. 



Kanim.Cab Rudolft. f, 15. tab. 3. fig. 6. 



Inhabits fhores of Iceland : an inch and 4 lines long. 



Shell with imbricate ribs : cronvn nearly in the middle, within 

 blue edged with white, 



Cypria. Shell oval, fubpellucid, ribbed, the ribs here and there 

 tuberculate and foliaceous on the outfide. 

 Bonan recr* & Muf. lurch* 1. fig. 5. 

 Gualt. tejl. tab. 9. £L Mart, conch. 1 . i* q.fi. 79. 

 2, Argenu. conch, tab, 2. B. Mart, conch. 1. /. \Q» f, 85. 

 Inhabits mores of Cyprus : 1 |—2j inches long; 

 Shell refembling P. barbara, white with a cinereous inner mar- 

 gin, fornetimes with a broad white band ; crown furrounded 

 with a brown ring : ribs 16—20 or more. 



Costata. Shell ovate, a little gibbous, white, with crowded un- 

 equal tuberculate rugged ribs. s 



Inhabits Schrcet. n. Litterat. 3./. 12.^27—29. 



Shell z~i\ inches long, with 20- 40 prominent carinate ribs and 

 intermediate grooves which are fornetimes brown, with Tome- 

 times a grey band on the infide near the bottom, or a yellowilh 

 one (haped like a horfe-fhoe. 



Uucopkura Shell ovate, duffcy, with crowded white fmooth unequal rib?. 

 Lifter, tab 539./. 22. Knorr Vergn. 6. tab, 28. /. 9. 

 Martini conch, t. tab, 7. fig, 56, 57. 

 2. Schrat. n, Litterat, 3. p. 13 — 17. n. 30. 32—35. 37. 



Inhabits- Shell minute, f 1 inch long, black, brown or 



brownifh, rarely chefnut, fornetimes varied with white; 

 crown ufually brown. 



Striatu/a, 



