WORMS. TESTACEA. 66. Oftrea. 26; 
Pliga. Shell nearly equivalve, with 6 convex fmoothifh rays and 
firiate acrols, 
Rumpf. Muf. tab. 44. O. Lister conch. tab. 171. 
Bonan. recr. and. Muf. Kircb. 2. fig. 9, 10. 
Petiv. amb. aq. tab. 2. fig. 10. 
Gualt. teft. tab. 74. C, Argenv. conch. tab. 24. C, 
Chemn. conch. 7. tab. 62. fig. $98. a, b. 
2. Gualt. test. tab. 73. fg. E? 
Inhabits /ada; about 1% inch Jong and an inch broad. 
$5e/] white, or white fpotted with brown, or red {potted with 
white; the traniverfe trie placed at a diftance from each other; 
margin repaid. 
Crenata. Shell roundifh with convex rays, the outer ones finely ftriate 
longitudinally: margin deeply crenate. 
Inhabits-—— Lister conch. tab, 170. fig. 7. 
Ears traníverfely ftriate. 
* Sinu2; Shell ovate with very numerous and fine ftriz ; the margin 
crenate within. | 
Lift, An. Angl. tab. §. fig. 31. Conch. tab. 172. 
Inhabits Britifh Seas: íhell varied. with faffron. 
Squammofa, Shell oblong with fcaly rays, the interítices broader an4 
marked with perpendicular ftrix 
Inhabits—— Lzster conch. tab. 194. fig. 21. 
Shell varied. with angular lines and ipots: ears wrinkled pex 
pendicnlar. ; 
Dubia, Shell roundifh, with 18 rays imbricate with fcales. 
Inhabits——— Lister conch. tab. 192. fig. 29. 
Shell nearly X inch long: ears ftriate tran{verfely. 
es 
*Subrufa. Shell with 20 fmooth rays, the interftices tranfverfely ftriate, 
margin Crenate. 
Donovan's Brit. Shells, 1. tab. 12. n 
Pennant Brit. Zool. iv. tab. 60. sige 6o. 
Borlafe Cornwall, tab, 28. fig. 18, 21, 22. 
Liter Anim. Angl. p. 185. tab. 5. fig- 30. 
Inhabits Britifh Shores ; 2 inches long and as much broad, . 
Shell thin, generally pale red, fometimes {potted with white and 
black: ears transyerfely flriate. 
Verfcolor, Shell flattened with 18 {mooth rays, the interftices cancellate. 
Inhabits Bonan. recr, and Muf. kirch. 2. fig. 6. 
Shell pale yellow, white, fea-green, blackifh or red: ears tran{+ 
verfely ftriate. 
Rojee, 
