WORMS. TESTACEA. 62. Venus. 219 
By£ra; Shell fomewhat heart-fhaped with tranfverfe remote reflec- 
ted grooves; the margin crenulate. 
Lifter. conch. tab. 277, 278. 285, a. 
Bonan. recr. 3. fig. 348? Muf. Kirch. 2. fig. 103. 
Gualt. teft. tab, 88 D. Klein ofr. tab. 10. fig. 48, 49. 
Knorr Vergn. 4. tab. 24. fig. 3? 1. 28. f. 3. 
Gronov. Zooph. tab. 18. fig. 8. 
Born. Muf. Caf. Vind. teft. tab. 4. fig. 9- 
Chemn. conch. ©. tab. 27. fig. 279—281 ? 1. 28, f. 287—294. 
2, Lister conc. tab. 280. fig. 117. E. 
Inhabits the American Ocean; rare and valuable : varies in colour 
and marks; ribs thin and fharp. 
Bajana, Shell brittle glabrous, with a few tranfverfe ftriz., 
Bonann. Muf. Kirch. 2. fig. 124. 125. 
Inhabits Bra/// : ochraceous varied with black. 
Excavata, Shell lentiform, tranfverfely ftriate, with a deep heart- 
fhaped depreffion behind the beaks ; flat fide broad. 
Schret. Einl. in conch. 3. tab. 8. fig. 10. 
Inhabits refembles V* finuata, but the ftriz are thinner and 
acute, forming wrinkles on the anterior and polterior -fides; 
colour brown yellow or whitifh-afh; the flat margin fcaly. 
* 'errucofa. Shell with membranaceous tranfverfe ftriate grooves forming 
tubercles towards the outer margins; the margin 
crenulate. 
Donovan's Britifa Shells. Y. tab, 44, 
Borbafe Cornwall,.tab. 23..fig. 31. 
Pennant Brit. Zool: tab. $4. fig. 48. 
Da Costa Brit. conch. tab. 12. fig. 1. 
Adan's Seneg. tab, 16. fig. 1. Gualt. teft. tab. 75* Hy, 
Peito. Gaxopb. tab. 93. fig. 17. Lifter conch. tabs 284. 
Argenville conch, tab. 21. fig. 60. 
Born Muf. Caf. Vind. tefl. tab. 4. fig. 7. 
Chun, conch. 6. tab. 29. fig. 299. a; b. 300. 
Inhabits the Mediterranean, Enghfh and Antilly coats: thick, 2 
inches long and as much broad; fometimes marked with a 
few brown fpots and rays, 
Lajiida. Shell white, longitudinally ftriate forwasds and tran{verfely 
back wards. 
Chemn. conch, 10, p. 356. tab. 172. fig. 1664, 1665. 
Inhabits American Ifands. 
Divergens. Shell white, with very fine crowded divergent ftrix. 
Chema. conch, 10. tab. 172. figs 1666, 1667. 
Inhabits American Iflands. 
Rez 
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