414 WORMS. TESTACEA. 62. Venus. 
Inhabits Zce/and, among the ulva foliacea: 1-2 inches broad, 1 2 
long: /he/] thin brittle oblong, outwardly violet-brown with 
a whitifh border, within white without longitudinal itriz. 
* D:forata Shell oval, longitudinally wrinkled, femipellucid, radiate 
with purple and white within and without. 
Pennant Brit. Zool. iv. tab $7. figs 544 
Liffer conch. tab. 425. fig. 273* 
Seba Muf. 3: tab. 86.gig..17 ? 
Knorr Vergn. 2. tab. 20. fig. $ and 5. ts 11. fi 2. 
Chemn. conch. 6. tab. 9. fig. 79—82. 
2. Chenin. €. tab. 9. fig. 83s Rumpf. Muf. tab. 45. €. 
Petiv. Arab. tab. 17. fig.9. Gualt. Teft. tab. 85. G. 
Inhabits European and American Seas: 1 j—2 inches long, 2 i- 
3 broad: marked with a few traníveríe stri; erofling the 
wiinkles; without white cinereous yellowifh or purple with a 
few blueifh or reddifh rays: Z;zge with 2 teeth in one valve 
and 1 which is cleft in the other. 
Fimbriata. Shell oval gibbous, longitudinally ftriate and tranfverfely 
grooved ; the margin crenulate. 
Barbut. tab.4 fig. 11. Argenv. conch. táb. 21. G. 
Lifter conch. tab 355. fig. 172. t. 1056. . 1? 
Rumpf. Muf. tab. 43. F. Gualt. teft. tab 75. C. 
Petiv. amb tab. 18. fig. 8. Klein ostr. t. 10. f. 52. 
Born. Muf. Caf. Vind. teft. tab. 5. fig. 4. 
Chemn. conch. 7. tab. 43. fig. 448, 449. 
z. Reddifh with a blackifh margin and without longitudinal striz. 
Rumpf. Muf. tab. 43. G. Petiv. amb. tab. 18. fig. 10. 
Inhabits East India: z inches Jong and 3 broad. 
Shell white strong with an oblong gaping flope, and impreffion 
behind the beaks: Aizge with 2 middle teeth and 2 lateral 
ones. 
Shell with elevated decuffate ftri», and a heart-íhaped de- 
preffion behind the beaks; the margin entire. 
Lifler conch, tab. 836. Gualt. tefí. tab. 85. L, 
Knort. Vergn. 6. tab. 10. fig. 3. 
Chemn. conch. 6. tab. 30. fig. 582—384. 
2. Spottea with brown orred. Gualt. test. tab. 88. A. 
Inhabits India; reíembles the last, but is more heart-fhaped; 2 
inches long, 2 1 broad, and is more gibbous : /he// white with 
brownifh or reddifh clouds, fometimes radiate o: {potted ; the 
striz thin, the tran{verfe ones a little curved; Ainge with 2 
tectha : 1 
Reticulata. 
Squamofa, Shell with reticulate ftriz and fcaly on the back part. 
Barbut, tab. 4. f. 12, Rumpf. Mnf. tab, 44. M, , 
" eti. 
